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Couplings

A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. A coupling can be rigid or, more normally, it can be flexible allowing relative radial, axial or angular movement of the two shafts. The coupling transmission is not designed to engage-disengage as a normal operation. Couplings do not normally allow disconnection of shafts during operation, though there do exist torque limiting couplings which can slip or disconnect when some torque limit is exceeded. The primary purpose of couplings is to join two pieces of rotating equipment while permitting some degree of misalignment or end movement or both. By careful selection, installation and maintenance of couplings, substantial savings can be made in reduced maintenance costs and downtime.


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Rotex Coupling shaft couplings are the original curved jaw coupling. Superior vibration dampening and torque transmission characteristics result in an excellent running quality and service life. ROTEX couplings are maintenance-free and can compensate for misalignment without exerting additional stresses to component shafts or the insert. ROTEX has become the standard choice among equipment manufacturers worldwide. ROTEX-GS is an economical, high-performance, zero-backlash shaft coupling that can be tuned to your system requirements with a simple change of spider. Precision machined from aluminum and steel, the couplings offer the benefits of the curved jaw design while providing backlash free torque transmission. A variety of fastening designs make the ROTEX-GS the ideal coupling for today’s high performance applications.

Features:

•Machined concave jaw pockets
•Steel, aluminum or cast iron hubs
•Urethane spider inserts
•Horse Power range from 1 to 4500hp
•Bore sizes up to 7.75 inches
•Zero backlash
•3 pc design for blind assembly
•Horse Power range from 1 to 160hp
•Bore sizes up to 3.15 inches
 Size:

•GR 7, GR 9, GR 14, GR 19, GR 24, GR 28, GR 38, GR 42, GR 48, GR 55, GR 60, GR 75, GR 90, GR 100, GR 110, GR 125, GR 140, GR 180, GR 200, GR 220, GR 250.

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We are offering wide range of flexible pin bush Flexible Pin Bush Coupling to our customers. This product is manufactured under the tight surveillance of qualified professionals using top quality material and the latest techniques in tune with set market norms.

Features:

  • Simple & compact in construction.
  • GRADED cast iron is used forbetter life of coupling.
  • Hub diameters are enlarged for better grip of large diameter of shafts.
  • High tensile graded alloy steel Nuts and bolts are used for higher load bearing shocks and strength.
  • Transmits torque through high tensile steel bolts.
  • Highly synthesized and engineered rubber/ polyureathane compounds are used in bushes to absorb shock loads, torsional vibrations and slight misalignments.
  • Range of 26 sizes with power rating from 0.81 Kw to 10000 Kw at 300 rpm.
  • PIN BUSH COUPLING ranging from diameters 3" to 60"

 

Other Details:

 

  • flexible pin bush coupling 3", flexible pin bush coupling 4", flexible pin bush coupling 5", flexible pin bush coupling 6", flexible pin bush coupling 7", flexible pin bush coupling 8", flexible pin bush coupling 9", flexible pin bush coupling 10", flexible pin bush coupling 11", flexible pin bush coupling 12", flexible pin bush coupling 13", flexible pin bush coupling 14", flexible pin bush coupling 15", flexible pin bush coupling 16", flexible pin bush coupling 18", flexible pin bush coupling 20", flexible pin bush coupling 22", flexible pin bush coupling 24" are ready stock, above sizes are available agaisnt order.
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We are offering Jaw Couplings to our customers. These are available in different specifications as per the requirements of our customers. Our products are developed using best material which we procure from the renowned vendors of the industry.

Features:

  • Flexible inserts cater for incidental angular, parallel, axial misalignments.
  • Absorbs shock loads and dampens small amplitude vibration.
  • Quick and easy installation.
  • Range of Standard (8 sizes) External Spider (6 sizes) and Cushion Type (6 sizes) with power rating from 0.21 Kw at 22.40 Kw at 100 rpm

 

Other Details:

 

    Love Joy Coupling: L Series

    • L35, L50, L75, L90, L95, L99, L100, L110, L150, L190, L225, L226, L275, L295, L2955, L300.

    Rrl Spacer Series - Rrl Lovejoy Coupling

    • RRL 95 X 100, RRL 95 X 135, RRL 95 X 140, RRL 95 X 180.
    • RRL 100 X 100, RRL 100 X 135, RRL 100 X 140, RRL 100 X 180.
    • RRL 110 X 100, RRL 110 X 135, RRL 110 X 140, RRL 110 X 180.
    • RRL 150 X 100, RRL 150 X 135, RRL 150 X 140, RRL 150 X 180.
    • RRL 190 X 100, RRL 190 X 135, RRL 190 X 140, RRL 190 X 180.
    • RRL 225 X 100, RRL 225 X 135, RRL 225 X 140, RRL 225 X 180.
    • RRL 226 X 100, RRL 226 X 135, RRL 226 X 140, RRL 226 X 180.

    SW Series- SW Lovejoy Coupling: This couplings are SNAP WRAP COUPLINGS.

    • SW100, SW110, SW150, SW190, SW225, SW226, SW275, SW295, SW2955, SW300
    • RRS COUPLINGS- RRS LOVEJOY COUPLING
    • RRS 95 X 100, RRS 95 X 135, RRS 95 X 140, RRS 95 X 180.
    • RRS 100 X 100, RRS 100 X 135, RRS 100 X 140, RRS 100 X 180.
    • RRS 110 X 100, RRS 110 X 135, RRS 110 X 140, RRS 110 X 180.
    • RRS 150 X 100, RRS 150 X 135, RRS 150 X 140, RRS 150 X 180.
    • RRS 190 X 100, RRS 190 X 135, RRS 190 X 140, RRS 190 X 180.
    • RRS 225 X 100, RRS 225 X 135, RRS 225 X 140, RRS 225 X 180.
    • RRS 226 X 100, RRS 226 X 135, RRS 226 X 140, RRS 226 X 180.
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    Approx. Rs 800 / Piece
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    Paying optimum attention to the the diverse requirements of our esteemed clients, we are offering them an excellent range of Gear Coupling. It is is appreciated owing to its quality and optimum performance.

    Features:

    •High Torque Ratings
    •Large Bore Capacity
    •Interchangeability
    •Better Fastener Design
    •High Misalignment Capacity
    •Improved Lubrication System
    Other Details:

    High Torque Ratings:

    •Our Gear coupling torque capacity exceeds the competition, and it allows smaller coupling size of increased service factor.
    Large Bore Capacity:

    •Our Gear coupling can accommodate large shaft diameters for given particular size of coupling compared to the competition, in most instances. That means you can buy a smaller less expensive coupling and still get the proper rating for the equipment.
    Interchangeability:

    •Our complete half coupling assemblies are interchangeable with any other half gear coupling with exposed bolt flange manufactured to replacement half couplings provide additional hub strength and lower gear mesh loads.
    High Misalignment Capacity:

    •Our couplings are designed to accommodate a static misalignment of 1½º per gear mesh. The recommended operating misalignment is limited to ¾º per gear mesh. Axial moment of connected shafts is also accommodated in these couplings.
    Lubrication System:

    •Significantly extended republication intervals
    •Reduced maintenance cost
    •Superior lubrication
    •Increased coupling life
    The location & size lubrication holes in the sleeve ensures that adequate grease is available ate the gear mesh, Where it is needed must fully molded seals positively lubricant and seal interior against foreign matter.

    •High mechanical flexibility-Curved tooth profile
    •High compensation of angular, parallel and axial misalignment
    •Seal carrier for easy maintenance
    •Carbon steel forged / cash hubs with hardened teeth
    •Range of 19 sizes with power rating from 11.5 Kw to 12700 Kw at 100 rpm
    •Variants of sheer pin, spacer, torsion shaft types are also available

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    Approx. Rs 250 / Piece
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    We are offering Tyre Coupling to our customers.

    Features:

    •The couplings are highly elastic, backlash free, absorb shocks and dampen vibrations.
    • Inherent Overload Protection and high misalignment capacity.
    • Choice of tyres - standard, Neoprene or Fire Resistant Anti-static (FRAS)
    • Range of 17 sizes, with power rating from 0.22 Kw to 132 Kw at 100 rpm
    • Spacer tyre couplings for DBSE of 80 mm, 100 mm, 140 mm & 180 mm
    • Available as through bore or with taper lock bushes
    • Range of FTC Series Tyres and Steel cord tyres are also available

    TYRE COUPLING F SERIES FENNER
    F40, F45, F50, F60, F70, F80, F85, F90, F100, F110, F120, F140, F160, F180, F200, F220, F250, F300.

    TYRE COUPLING LOVEJOY
    T4, T5, T6, T7, T8, T9, T10, T11, T12, T14, T16, T18, T20, T22, T 25, T30.

    TYRE COUPLING UNIQUE
    PH SERIES
    A SERIES

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    Approx. Rs 750.00 / Set(s)
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    Specially designed using superior quality raw material, we offer a wide assortment of flexible pin bush couplings. Designed in compliance with the international standards, our range of pin bush couplings is highly acclaimed for abrasion resistance, corrosion resistance and precise dimensions.

    Specifications of our pin bush coupling are enlisted below:

    • Requires no lubrication
    • Unaffected by water, dust & atmospheric condition
    • OD -3" to 24"
    • High torque transmission up to 23780 Nm in 20 sizes
    • Permits drive in either direction
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    Rigid couplings are used when precise shaft alignment is required; shaft misalignment will affect the coupling's performance as well as its life. These couplings connect rotating members such as shafts so that these couplings secure onto both members and provide transmission of torque and motion. Rigid couplings are used where the axes of the shafts are directly in line. A rigid coupling is suitable for shafts in close alignment or held in alignment without inducing destructive forces in shafts or bearings.

    Our rigid couplings are available in one and two-piece designs, with and without key-ways, in aluminum, carbon steel, alloy steel, stainless steel and many more materials. A large number of standard sizes are available in straight and step bore combinations to fit shafts of various dimensions. Extra steps are taken in the manufacturing of our rigid couplings to provide important performance benefits.

    These rigid couplings are corrosion and abrasion resistant and fail-safe since stringent quality standards are followed while manufacturing these couplings. Our rigid couplings are also very economical in prices.

    Various features of our rigid couplings are as follows:

    • Simple and economical

    • Maintenance free

    • No wear and tear

    • Torque limited only by clamping force between coupling and shaft

    • Low moment of inertia

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    Fenner couplings are designed to absorb shock loadings, accommodate drive misalignment and allow separation of the drive line for maintenance.

    Fenner shaft couplings range from highly resilient to rigid and are all precision manufactured using high quality cast iron or steel, and the latest polymer and composite technology.

    Our fenner couplings are stringently quality checked to ensure the best quality couplings are supplied to our customers. We offer fenner couplings in various technical specifications and also customize as per our clients' requirements and specifications. Our fenner couplings are available at very competitive prices.

    Various features that we offer in our fenner couplings are as follows:

    • Ease of alignment

    • Maintenance free

    • Fail-safe

    • Lubrication free

    • Accommodates drive misalignment

    • Absorb shock loadings

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    Approx. Rs 150.00 / Set(s)
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    A gear coupling is a mechanical device for transmitting torque between two shafts that are not co-linear. It consists of a flexible joint fixed to each shaft. The two joints are connected by a third shaft, called the spindle.

    Our nylon gear couplings are curved tooth couplings consisting of two steel crowned teeth hubs which are connected with nylon (Polyamide) toothed sleeve internally. These materials are resistant to all the usual commercial lubricants and hydraulic fluids.

    These nylon gear couplings are available in various technical specifications and we also customize these couplings as per our clients' requirements and specifications.

    Having gone through stringent quality checks, our nylon gear couplings the best in quality. We offer these couplings at very economical prices.

    Various features of our nylon gear couplings are as follows:

    • Compact and light-weight

    • Low Maintenance

    • Lubrication free

    • Minimum backlash

    • High torque

    • Low inertia

    • Resistant to dirt, moisture and most chemicals

    • Very economical

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    Approx. Rs 600.00 / Set(s)
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    We are offering HRC/JAS Coupling to our customers.

    Features:
    • Higher power transmission and misalignment capacity.
    • Nitrile rubber elastomeric inserts to withstand temperatures from -40°C to 100°C.
    • Range of 8 sizes with power rating from 0.33 Kw to 33 Kw at 100 rpm.

    HRC plug-in-Flywheel Couplings
    • Plug in design for advantages of blind fitting.
    • Directly fits standard flywheels of IC engines.
    • Standardised on Kirloskar, Cummins, Leyland, Ruston & Perkins engines.
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    Approx. Rs 100 / Set(s)
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    Manufacturer & Exporter of zero back lash Jaw Coupling with bore sizes from 4mm to 150mm in metric sizes and  1/8" to 6" in inch sizes.  Jaw coupling are customizable three piece design, they have low inertia, and well suited for application which requires dampening in all industries.
    KEY FEATURES OF THE JAW ELASTOMER COUPLINGS.
    • NO METAL TO METAL CONTACT
    • FAIL SAFE - WILL STILL PERFORM IF ELASTOMER FAILS.
    • RESISTANT TO OIL, DIRT, SAND MOISTURE AND GREASE.
    • MORE THAN LAKHS OF COMBINATIONS IN BORE SIZES AND KEY WAY.
    • LIGHT WEIGHT AND EASY TO INSTALL.
    • This are fail safe coupling and transmits 100% torque. 
    The three balanced design consits of two hubs made from (Alloy steel, Cast iron , Bronze, Sintered Steel, Engineedred Plastic, Aluminum, stainless steel and ductile iron) and an elastomeric element called "spider" or "cushion" made from ( Natural rubber, NBR, SOX, Nitrile, Neoprene, Polyureathane, Plastic, Nylon, Hdpe, Bronze, Hytrel, Engineered synthesized rubber, Engineered Plastic)
    Spider/Cushion/Elastomeric element creates alow inertia coupling capable of speed upto 10,000 RPM. Spiders are available in different shore Hardness.
    For Rubber spider Shore Hardness ranges from 45 Shore to 80 Shore
    For Polyurethane Spider Shore Hardness ranges from 85 shore, 92 shore and 98 shore hardness.

    This allow the coupling to work in very low and high temperatures, with their balanced and torsional stiffness.

    SIZES AVAILABLE IN LOVEJOY COUPLING
    L SERIES
    L035, L50, L75 L90, L95, L99, L100, L110, L150, L190, L225, L226, L 276, L280, L295, L2955, L300.
      
    SIZES AVAILABLE ARE IN ROTEX COUPLINGS
    ROTEX GS SERIES
    GS 5 , GS 7, GS 9, GS 14, GS 19, GS 24, GS 28, GS 38, GS 42, GS 48, GS 55, GS 65, GS 75.

    ROTEX COUPLING GR SERIES
    GR 14, GR 19, GR 24, GR 28, GR 38, GR 42, GR 48, GR 55, GR 65, GR 75, GR 90, GR 110, GR 125, GR 140, GR 160, GR 180, GR 200.
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    Gear couplings – ROTO DRIVES INC.

    ROTO FLEX GEAR COUPLINGS

     

    ROTO FLEX  Gear couplings are torsionally rigid and are supplied to two designs – completely flexible and flexible/rigid. A completely flexible coupling comprises two hubs with an external gear and two outer sleeves with an internal gear. It's a universal coupling for all sorts of applications and accommodates all possible misalignments (angular, offset and combined) as well as large axial moments. Machines, bearings, seals, and shafts are therefore not subjected to the additional forces, sometimes of considerable magnitude, which arise from unavoidable misalignment usually associated with rigid shaft couplings.

    A flexible/rigid coupling comprises one flexible geared half and one rigid half. It does not accommodate parallel displacement of shafts but does accommodate angular misalignment. This type of couplings are primarily used for "floating shaft" applications.

    Sizes 0100 – 107 all have crowned teeth with a 20° pressure contact 
    This enables to accommodate up to 1,5° static angular misalignment per gear mesh. However, minimizing the operational misalignment will maximize the life of the coupling as well as the life of other machinery components such as bearings etc.
    Each sleeve flange is supplied with two pipe plugs 180° apart. This permits assembly of a full flex-coupling with four lubrication plugs positioned every 90° apart, to facilitate lubrication 
    Lock seal O-ring is fitted to the outer sleeve, to retain grease and exclude contaminants
    A straight faced tooth form is used for the sizes 108 to 300. They are designed to accommodate 0,5° misalignment per gear mesh. These sizes are also equipped with a removable end ring for ease of assembly and to allow inspection of the gear teeth. POLYETHYLENE additives grease is recommended in order to obtain maximum operating life.

    Sier-Bath gear couplings are stocked in a wide assortment of configurations, which include C and F standard hubs and sleeves, Mill Motor hubs, Vertical style, Floating Shaft, and Spacer designs. ROTO DRIVE's superb engineering staff makes it possible to support many additional coupling types such as the Brake Drum type, Sliding Hub type, Shear Pin, Jordan type, and custom lengths for non-standard shaft separations. Additional size ranges and designs to meet unusual application requirements can also be manufactured by ROTO DRIVES INC. to meet market demands. Material can range from standard steel, to alloy steel and even stainless steel. The exceptional simplicity of the ROTO FLEX GEAR coupling design makes this all possible.

    • Heavy duty designs up to size 30.0 
    • Shrouded bolt ;Spacer designs 
    • Floating shaft designs
    • Large flex hubs accomodate high-torque applications in space-limited installations
    • Up to 72,450,000 in-lb (8,185,763 Nm) torque capacity
    • Slide gear
    • Shear Pin
    • Metal labyrinth seals 
    • Made-to-order (MTO) custom designs
    • 13 models for general purpose, high-speed and high-torque applications
    • Up to 43 inches (1,067 mm) bore capacity - 30 sizes.
    • 3-year, heavy-duty warranty

    SIZES FOR ROTO GEAR FLEX GEAR COUPLING
    FULL GEAR COUPLING
    FGC 100
    FGC 101
    FGC 102
    FGC 103
    FGC 104
    FGC 105
    FGC 106
    FGC 107
    FGC 108
    FGC 109
    FGC 110
    FGC 111
    FGC 112
    FGC 113
    FGC 114
    FGC 115

     

     

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    RRS/RRSC Type – Radially Removable Spacer Coupling
    Our company is engaged in the whole selling and supplying of Jaw/Spacer (Jaw/Spacer Couplings - Lovejoy) Coupling, prepared from finest quality of raw material. We offer the product range in varied sizes at competitive prices. The product is specially designed by our expert teamof engineers as per the specification of our valued clients. We procure this entire range of Jaw/Spacer (Jaw/Spacer Couplings - Lovejoy) from very renowned and reliable preparers.
    · Spacer coupling with “drop out” center for proper separation
    · Radially removable elastomers (easy installation & maintenance)
    · US and European industry standard pump/motor shaft separations
    · Spacer made of glass reinforced plastic, cast iron, or aluminum
    Spacer Coupling, extensively used across different industries.

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    Approx. Rs 7,194 / Pack(s)
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    Disc-O-Flex Couplings is extensively used in several industries. Designed in compliance to international quality standards, our array of Disc-O-Flex Couplings are highly acclaimed by our client for its excellent finish.

     
    Couplings
     
    Disc O Flex Couplings
    Disc - O - Flex Couplings LM / M / EM / AM
    Type - LMType - EM / AM
     

    DISC-O-FLEX COUPLING TABLE 1 PERMISSIBLE INITIAL MISALIGNMENTS FOR DISC-O-FLEX COUPLING COUPLING SIZE PERMISSIBLE INITIAL MISALIGNMENTS * GAP ‘G’ (Std) mm LM EM Angular Axial Parallel (mm/mm LM EM Degree per disc pack Diff. in gap (mm) (± mm) SPAN) # 5 4 5.2 5.2 10 8 ±0.125 6.5 7.5 35 25 7.5 7.5 55 40 0.25 8 8.5 95 65 8 8.5 170 125 9.5 9.3 220 165 ± 0.375 12 12.4 400 370 13 10.4 520 390 14.4 13.8 1000 790 16.2 14.6 1300 1025 0.18° ± 0.7 0.5 0.003 19.5 16 2000 1425 21.5 17.4 2500 1880 23.5 16.9 * Gap ‘G’ in above table is given when angular and axial mis alignments are zero. # SPAN = DBSE - G R-II-D-01/00-04/08 Page 13 DISC-O-FLEX COUPLING TABLE 2 PERMISSIBLE MAXIMUM MIS ALIGNMENTS FOR DISC-O-FLEX COUPLING COUPLING SIZE PERMISSIBLE MAXIMUM MIS ALIGNMENTS * GAP ‘G’ (Std) mm LM EM Angular Axial Parallel (mm/mm LM EM Degree per disc pack Diff. in gap (mm) (± mm) SPAN) # 5 4 5.2 5.2 10 8 ± 0.5 1 6.5 7.5 35 25 7.5 7.5 95 65 8 8.5 170 125 9.5 9.3 220 165 ± 1.5 12 12.4 400 370 13 10.4 520 390 14.4 13.8 1000 790 16.2 14.6 1300 1025 ± 2.8 2 0.013 19.5 16 2000 1425 21.5 17.4 2500 1880 23.5 16.9 * Gap ‘G’ in above table is given when angular and axial mis alignments are zero. # SPAN = DBSE - G

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    Approx. Rs 1,500.00 / Set(s)
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    Torque limiter & Coupling designed with the aid of our cutting edge technology. Our wide marketing network enables us to fulfill the client’s requirements with the utmost efficiency.

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    Approx. Rs 800.00 / Set(s)
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    Resilient Grid Couplings are fitted in tapered grooves.

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    Approx. Rs 200.00 / Set(s)
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    Encoder Couplings for smooth bearing of loads, even at misaligned positions. Engineered from finest grades of raw materials our array of encoder couplings provides dynamic stability and is widely appreciated for:
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    Approx. Rs 3,500.00 / Set(s)
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    Fenner Curved Tooth Flexible Gear Couplings are the result of many years of experience in the field of Mechanical Power Transmission. These Gear Couplings are distinguished by their mechanical flexibility and compensation of Angular, Parallel and Axial misalignments of the connected shafts. They are made for extensive use in Metal Rolling Mills, Paper Machinery, Crane, Dredgers, Rubber and Plastic Industries, Cement Plants, Conveyors and Elevators, Compressors, Fans and Blowers,
    Screens and other general industries. Flexible Gear Couplings basically consist of two hubs, with crowned external teeth and two outer sleeves with internal spur teeth.

    Gear Hubs and the outer sleeves are manufactured from carbon steel and are hardened to the required degree. They are machined to fine tolerances for proper meshing of the gears as well as for inter-changeability.

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    A gear coupling is a mechanical device for transmitting torque between two shafts that are not collinear. It consists of a flexible joint fixed to each shaft. The two joints are connected by a third shaft, called the spindle.

     

    Each joint consists of a 1:1 gear ratio internal/external gear pair. The tooth flanks and outer diameter of the external gear are crowned to allow for angular displacement between the two gears. Mechanically, the gears are equivalent to rotating splines with modified profiles. They are called gears because of the relatively large size of the teeth.

     

    Gear couplings and universal joints are used in similar applications. Gear couplings have higher torue densities than universal joints designed to fit a given space while universal joints induce lower vibrations. The limit on torque density in universal joints is due to the limited cross section of the cross and yoke. The gear teeth in a gear coupling have high backlash to allow for angular misalignment. The excess backlash can contribute to vibration.

     

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    Approx. Rs 500.00 / Set(s)
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    Avast experience in development and production was gained. Considering the growth potential, experienced personnel flocked to StS, enriching the experience quotient of this Company.
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    Approx. Rs 3,000.00 / Piece(s)
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    Our high-quality products can compensate angular, axial and radial misalignment and transmit the rotational angle with the highest precision. Compact shape and low moments of inertia are features and benefits of our self-aligning couplings.
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    Approx. Rs 325 / Piece(s)
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    We are manufacturer of precision beam coupling/ encoder coupling which are used widely in servo motors to avoid backlash. Materials used is graded aluminum for higher durability and elastic stiffness. Couplings are made on CNC to match international AGMA standards.
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    Approx. Rs 3,000.00 / Set(s)
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    Roller chain Flexible Couplings are compact, all steel, long lasting flexible couplings, capable of transmitting relatively high torques with minimum of space consumption. Consequently, they provide a most economical means of positive transmission of power from one shaft to another.
    The simple design and construction of these couplings make them extremely easy to install and disconnect, providing additional economy of operation.

    The sprockets are identical in construction, thus providing a balanced unit in operation and reducing effects of vibration. In addition, the flexibility of roller chain plus clearance between the chain rollers and sprocket teeth allow for slight misalignment and shaft end float.

    Coupling sizes will usually meet most power transmission requirements. However when necessary special couplings can be furnished on a made to order basis to suit a particular application. In such cases, complete information should be given when requesting a recommendation or quotation. This includes horsepower and RPM requirements, hub dimensions, bore and keyway sizes, and general operating conditions.
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    Approx. Rs 5,000.00 / Set(s)
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    The roller chain coupling is a flexible coupling of amazingly simple construction. It consists of a combination of one coupling chain and a pair of coupling sprockets. Flexible and strong, the U.S. Tsubaki, Inc. roller chain coupling is suitable for a wide range of coupling applications.

    Compact and Powerful
    Torque is apportioned over the whole roller chain and all sprocket teeth, and is held at a point close to the outer diameter of the sprockets. This construction and the superior qualities of U.S. Tsubaki roller chain combine to make a compact and lightweight coupling.

    Safe and Smart
    The casing, which revolves with the body of the coupling, has an attractive design. And unlike other couplings, there are no dangerous projecting bolts. Connecting and removing the shafts is simply accomplished using a connecting pin.

    Easy Alignment
    Shafts to be coupled should be aligned as accurately as possible along a straight line. Unfortunately, this proves quite difficult. The chain coupling provides necessary flexibility because the chain and sprocket produce a clearance. In addition to protecting the bearings from overheating and abrasion, it safeguards the machine during use.

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    Approx. Rs 5,000 / Piece(s)
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    We offer an array of brake drum couplings that is manufactured using qualitative raw material sourced from reliable vendors. Our brake drum couplings are made from finest quality materials such as cast iron, alloy steel, stainless steel, mild steel and many more materials.

    Brake Drum couplings provide two-fold point of flexible coupling as well as provided that brakedrum for increasing brake within the same space. The coupling can be used with all kinds of brakes with shoes; Electromagnetic, Thruster, Band etc. the material of the couplings is high grade Cast Iron / Carbon Steel. We also offer brake drum couplings as per clients' requirements and specifications.

    These brake drum couplings follow stringent quality tests before being dispatched to our clients.

    COUPLING
    SIZE

    FINISH
    BORE

    A

    B

    C

    D

    E

    Weight
    Kg.

    TORQUE

    MAX RPM

    Min.

    Max

    RBDGC 4"

    15

    40

    100

    80

    70

    65

    103

    5

    100

    8000

    RBDGC 5"1/2

    15

    45

    140

    80

    90

    70

    130

    12.5

    100

    6300

    RBDGC 6"

    15

    45

    150

    80

    90

    70

    130

    14

    250

    6300

    RBDGC 7"

    20

    55

    175

    90

    95

    85

    140

    20

    450

    5000

    RBDGC 8"

    20

    70

    200

    120

    95

    120

    143

    27

    850

    4000

    RBDGC 10"

    25

    80

    250

    130

    120

    125

    130

    50

    2000

    3350

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    Approx. Rs 150 / Piece
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    We offer a wide range of love joy couplings that is made from finest quality materials such as cast iron, stainless steel, alloy steel and many more materials. Our love joy couplings go through stringent quality checks and are available in various sizes.

    Various features that we offer in our love joy coupling are as follows:

    Easy to install and maintenance free

    One piece flexible element

    No lubrication, fail-safe

    Dampens vibration and controls shock

    Torsion ally soft

    Accommodates misalignment

    Specially formulated cushions for special requirement

    No metal to metal contact

    Resistant to oil, dirt, sand, moisture and grease

    We also offer love joy couplings customized as per our clients' requirements and specifications.

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    Approx. Rs 500 / Piece(s)
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    Pin Bush Couplings Are Manufactured In Precision Machines For Better Fitment Of The Sets. They Are Flexible And Rigid. Spare Components Are Made With Best In Class Of Materials For Better Life Of Couplings.
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    Approx. Rs 500 / Piece
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    Muff couplings are long cylindrical coupling bored and keyed to fit over both shafts. These are split axially and clamped over both shafts with recessed bolts.

    Muff couplings consist of a hollow cylinder whose inner diameter is the same as that of the shaft. These are fitted over the ends of the two shafts by means of a gib-head key. The power is transmitted from one shaft to the other shaft by means of a key and a sleeve. It is, therefore, necessary that all the elements must be strong enough to transmit the torque. Muff couplings are the simplest type of rigid coupling for transmitting high torques at high speeds where misalignment is neither present nor desired.

    Our muff couplings are made from the best quality materials such as cast iron, stainless steel, alloy steel and many more materials and are available in various sizes. We also customize muff couplings as per our clients' requirements and specifications.

    Various features that we offer in our muff couplings are as follows:

    • Simple construction

    • Easy maintenance

    • No lubrication required

    • Low operational cost

    • Smooth and quiet operation


    Our muff couplings undergo stringent quality tests before being dispatched to our clients.

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    Approx. Rs 3,800 / Piece(s)
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    Rigid shaft couplings are available in one and two-piece designs, with and without keyways, in aluminum, carbon steel, and stainless steel. A large number of standard sizes are available in straight and step bore combinations to fit shafts ranging from 1/8" to 2" in the inch series and from 3mm to 50mm in the metric series. Inch to metric conversion couplings are also available by special order. Each rigid coupling is stamped with the Ruland name and the bore sizes for easy identification.

    The one-piece rigid coupling wraps around the shaft, providing high torsional holding power without the shaft damage and fretting inherent when set screw style couplings are used. The two-piece rigid coupling has the additional benefit of allowing for disassembly and maintenance without removal of other components. The two-piece design also features opposing hardware for dynamic balancing.

    Extra steps are taken in the manufacture of rigid couplings to provide important performance benefits. As one of these steps, the bores of Ruland straight bore rigid shaft couplings are precision honed. Honing of the bores provides several benefits that enhance the overall performance of the rigid coupling. Applications that require strict control of shaft alignment benefit greatly from honing, which assures both bores are collinear. Honing also corrects any residual distortions caused by stresses introduced during the manufacturing process, resulting in a round, precisely sized bore. Proper sizing and geometry assures a large percentage of shaft contact and greater torque transmission ability.

    Rigid couplings come with Ruland's unique Nypatch® socket head cap screws for increased performance and reliability. Nypatch® is a proprietary process that involves depositing a 360 degree coating of Nylon on several threads of the socket head cap screws. This coating is designed to reduce screw vibration, which can cause the screws to loosen and torque transmission ability to diminish during the course of normal use. The Nylon also provides the necessary dissimilar material to reduce galling of the screw threads in stainless steel rigid couplings.

    Double wide shaft collars are an excellent alternative to rigid shaft couplings in applications where space is limited. The double wide shaft collar has a reduced torque capability compared to the rigid coupling due to its use of a single socket head cap screw per shaft. However, the compact size of the collar reduces inertia making it ideal for motion control applications.

    The benefits of using rigid shaft couplings include their economy, high torque capacity, and zero backlash. Rigid couplings are suitable for applications when misalignment is neither present nor desired, including connecting line-shafting or attaching a motor to a gearbox.

    Rigid couplings are increasingly used in precision motion control applications where components are properly aligned. Read the article "Rigid Couplings for Precision Motion Control Applications" to learn how a rigid shaft coupling can be used in servo applications.

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    Approx. Rs 3,800.00 / Piece(s)
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    Rigid couplings come with Ruland's unique Nypatch® socket head cap screws for increased performance and reliability.
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    Approx. Rs 900.00 / SET
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    The benefits of using rigid shaft couplings include their economy, high torque capacity, and zero backlash.
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    Approx. Rs 250
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    The one-piece rigid coupling wraps around the shaft, providing high torsional holding power without damage to the shaft or fretting.

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    Approx. Rs 250
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    We,Ravi Transmission Products offer a wide range of Torque Limiter that is used as a protective device and limits torque transmitted in a drive system. Our range performs such function by slipping when the torque demand exceeds a preset value because of the shock load. Our range of Torque Limiter automatically re-engages when the overload torque has passed hence no re-setting is required.

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    Approx. Rs 150
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    We are manufacturers and dealers of rrl lovejoy couplings.
    rrl lovejoy couplings consist of 5 part design.

    casting hub is bolted to the jaw part of the coupling and these four parts are coupled with rrl spider / elastomer.

    the hub part are available in different length as per requirement.

    sizes we offer in rrl lovejoy coupling

    rrl 95/90
    rrl 95/100
    rrl 95/140
    rrl 95/180

    rrl 100/90
    rrl 100/100
    rrl 100/140
    rrl 100/180

    rrl 150/90
    rrl 150/100
    rrl 150/140
    rrl 150/180

    rrl 190/90
    rrl 190/100
    rrl 190/140
    rrl 190/180

    rrl 225/90
    rrl 225/100
    rrl 225/140
    rrl 225/180

    rrl 226/100
    rrl 226/140
    rrl 226/180

    rrl 276/100
    rrl 276/140
    rrl 276/180

    rrl 280/100
    rrl 280/140
    rrl 280/180

    rrl 295/140
    rrl 295/180
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    Ravi Transmission Products

    Ravi Jain (Proprietor)
    64, Nagdevi Street, Levata Tower, Ground Floor, Masjid Bunder, Mumbai- 400003
    Mumbai - 400003
    Maharashtra, India
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