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pump rubber coupling Manufacturers

I have found results from400+products and200+suppliers aboutpump rubber coupling

Guangzhou Xiebang Machinery Co., Limitedmic-icon
Satisfies 1/1 of your requirement
Flexible Pump Rubber Coupling Good Quality for Dx225lca Hydraulic Parts Coupling

Flexible Pump Rubber Coupling Good Quality for Dx225lca Hydraulic Parts Coupling

US$30.00-80.00
1 Piece(MOQ)
Hydraulic Pump Coupling Excavator Spare Pats Natural Rubber PC100-0r

Hydraulic Pump Coupling Excavator Spare Pats Natural Rubber PC100-0r

US$30.00-80.00
1 Piece(MOQ)
Flexible Rubber Bowex Flange Hydraulic Pump Coupling Coupler Spline Hub for Cat Hitachi Linkbelt John Deere Excavators

Flexible Rubber Bowex Flange Hydraulic Pump Coupling Coupler Spline Hub for Cat Hitachi Linkbelt John Deere Excavators

US$20.00-150.00
1 Piece(MOQ)
Sample Available
Hydraulic Pump Parts Coupling Lovejoy Series Natural Rubber Couplings Solar 150LC-V

Hydraulic Pump Parts Coupling Lovejoy Series Natural Rubber Couplings Solar 150LC-V

US$30.00-80.00
1 Piece(MOQ)
30as Rubber Coupling for Excavator Hydraulic Pump for Dl200tc-5

30as Rubber Coupling for Excavator Hydraulic Pump for Dl200tc-5

US$30.00-80.00
1 Piece(MOQ)
Hydraulic Pump Coupling for Dx380LC-5 / Dx400LC-5 Rubber Element

Hydraulic Pump Coupling for Dx380LC-5 / Dx400LC-5 Rubber Element

US$30.00-80.00
1 Piece(MOQ)
Hydraulic Pump Coupling Excavator Spare Parts Natural Rubber Coupling Solar 290LC-V

Hydraulic Pump Coupling Excavator Spare Parts Natural Rubber Coupling Solar 290LC-V

US$30.00-80.00
1 Piece(MOQ)
Excavator Pump Coupling Excavator Rubber Flexible Connector Coupling for 230lcr 4314298

Excavator Pump Coupling Excavator Rubber Flexible Connector Coupling for 230lcr 4314298

US$30.00-80.00
1 Piece(MOQ)
Excavator Hydraulic Pump Coupling Gear Rubber Connecter for Dx210W-5

Excavator Hydraulic Pump Coupling Gear Rubber Connecter for Dx210W-5

US$30.00-80.00
1 Piece(MOQ)
Hydraulic Pumps Coupling Natural Rubber Coupling for Dx35z 2.414-00024

Hydraulic Pumps Coupling Natural Rubber Coupling for Dx35z 2.414-00024

US$30.00-80.00
1 Piece(MOQ)
Coupling Excavator Rubber Parts Hydraulic Pump Coupling for Dx55W Dx530LC-5

Coupling Excavator Rubber Parts Hydraulic Pump Coupling for Dx55W Dx530LC-5

US$30.00-80.00
1 Piece(MOQ)
Rubber Flexible Hydraulic Pump Coupling 135X50 Flange

Rubber Flexible Hydraulic Pump Coupling 135X50 Flange

US$20.00-35.00
1 Piece(MOQ)
Sample Available
2A/as Pump Coupling Rubber Coupling for Excavator for 230lcrd 4183165

2A/as Pump Coupling Rubber Coupling for Excavator for 230lcrd 4183165

US$30.00-80.00
1 Piece(MOQ)
Excavator Hydraulic Pump Coupling 30as Rubber Coupling for S108810 1080

Excavator Hydraulic Pump Coupling 30as Rubber Coupling for S108810 1080

US$30.00-80.00
1 Piece(MOQ)
Flexible Pump Rubber Coupling for Excavator Hydraulic Shaft Couplings 230LC 4183165

Flexible Pump Rubber Coupling for Excavator Hydraulic Shaft Couplings 230LC 4183165

US$30.00-80.00
1 Piece(MOQ)
Excavator Hydraulic Pump Coupling 30as Rubber Coupling for Dxq420s

Excavator Hydraulic Pump Coupling 30as Rubber Coupling for Dxq420s

US$30.00-80.00
1 Piece(MOQ)
154-5558 154-5559 Excavator Rubber Coupling for E330c Hydraulic Pump Flange Coupling

154-5558 154-5559 Excavator Rubber Coupling for E330c Hydraulic Pump Flange Coupling

US$30.00-80.00
1 Piece(MOQ)
Centaflex-a Series Coupling Hydraulic Pump Parts Rubber Coupling P2246252 P435716

Centaflex-a Series Coupling Hydraulic Pump Parts Rubber Coupling P2246252 P435716

US$30.00-80.00
1 Piece(MOQ)
Rubber Coupling Hydraulic Pump Parts with Aluminium Block Fit Excavator 190gw

Rubber Coupling Hydraulic Pump Parts with Aluminium Block Fit Excavator 190gw

US$30.00-80.00
1 Piece(MOQ)
Excavator Pump Coupling 25A Centaflex Rubber Coupling 4340275 4334891

Excavator Pump Coupling 25A Centaflex Rubber Coupling 4340275 4334891

US$30.00-80.00
1 Piece(MOQ)
China Wholesale Excavator Flange Coupling Hydraulic Pump Rubber Coupling

China Wholesale Excavator Flange Coupling Hydraulic Pump Rubber Coupling

US$30.00-80.00
1 Piece(MOQ)
4091497 Ex100 Hydraulic Pump Device Flexible Rubber Coupling Excavator Parts

4091497 Ex100 Hydraulic Pump Device Flexible Rubber Coupling Excavator Parts

US$10.00-80.00
10 Pieces(MOQ)
Hydraulic Pump Connector Coupling for Excavator Rubber Coupling 218-5058

Hydraulic Pump Connector Coupling for Excavator Rubber Coupling 218-5058

US$30.00-80.00
1 Piece(MOQ)
Hot Sell Excavator Rubber Parts for Hydraulic Pump E324D C7 Coupling

Hot Sell Excavator Rubber Parts for Hydraulic Pump E324D C7 Coupling

US$30.00-80.00
1 Piece(MOQ)
HangZhou Ever-Power Transmission Co., Ltd.mic-icon
Satisfies 1/1 of your requirement
CE Approved High Speed Resilient Rigid Connection Fenaflex Spacer Shaft Pump Rubber Tire Tyre Coupling for Metallurgical Equipment

CE Approved High Speed Resilient Rigid Connection Fenaflex Spacer Shaft Pump Rubber Tire Tyre Coupling for Metallurgical Equipment

US$10.00-99.00
100 Pieces(MOQ)
Sample Available
Cast Iron Steel Normex Flange Shaft Flexible Nm Coupling with Rubber PU Element for Pump Motor

Cast Iron Steel Normex Flange Shaft Flexible Nm Coupling with Rubber PU Element for Pump Motor

US$10.00-99.00
100 Pieces(MOQ)
Sample Available
Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

US$10.00-80.00
100 Pieces(MOQ)
Sample Available
F Type Flexible Couplings Fenaflex Flex Multi Angle Pump Motor Rubber Tire Tyre Coupling with Flange

F Type Flexible Couplings Fenaflex Flex Multi Angle Pump Motor Rubber Tire Tyre Coupling with Flange

US$10.00-99.00
100 Pieces(MOQ)
Sample Available
Flexible Cast Iron Forged Steel Quick Release Nm Coupling with Rubber Element Water Pump Motor Shaft Coupling Nm112 128 148 168

Flexible Cast Iron Forged Steel Quick Release Nm Coupling with Rubber Element Water Pump Motor Shaft Coupling Nm112 128 148 168

US$10.00-99.00
100 Pieces(MOQ)
Sample Available
Cast Iron Mh Spider Quick Disconnet Flexible Rubber Coupling with Strict Technic for Connect Pump Machine

Cast Iron Mh Spider Quick Disconnet Flexible Rubber Coupling with Strict Technic for Connect Pump Machine

US$10.00-99.00
100 Pieces(MOQ)
Sample Available
ISO DIN ASA Standard Normex Hydraulic Pump Casting Iron Motor Nm Flexible Rubber Shaft Connection Coupling

ISO DIN ASA Standard Normex Hydraulic Pump Casting Iron Motor Nm Flexible Rubber Shaft Connection Coupling

US$10.00-99.00
100 Pieces(MOQ)
Sample Available
ISO9001 Certification Cast Iron Spider HRC Coupling (B/F/H) with Rubber for Oil Pump and Transmission Parts

ISO9001 Certification Cast Iron Spider HRC Coupling (B/F/H) with Rubber for Oil Pump and Transmission Parts

US$10.00-100.00
10 Pieces(MOQ)
Sample Available
Flange Cast Iron Coupling Steel Universal Joint Cardan Pump Rubber Motor Disc Curved Tooth Flex Rigid Drive Shaft Nm Yox Fluid Jaw Flexible Chain Gear Couplings

Flange Cast Iron Coupling Steel Universal Joint Cardan Pump Rubber Motor Disc Curved Tooth Flex Rigid Drive Shaft Nm Yox Fluid Jaw Flexible Chain Gear Couplings

US$10.00-99.00
100 Pieces(MOQ)
Sample Available
Cast Iron Elastic Pump Shaft FCL 90~630 Reduced Transmission Rubber Screw Pin Coupling with Flange Straight Bore

Cast Iron Elastic Pump Shaft FCL 90~630 Reduced Transmission Rubber Screw Pin Coupling with Flange Straight Bore

US$10.00-99.00
100 Pieces(MOQ)
Sample Available

Sourcing guidance for Pump Rubber Coupling

What are the key technical specifications to consider when selecting a pump rubber coupling?

When sourcing pump rubber couplings, you must prioritize torque capacity and misalignment tolerance. Ensure the material is suited for the environment; for example, NBR (Nitrile Rubber) is excellent for oil resistance, while EPDM is better for high-temperature or outdoor weather exposure. Always verify the Shore A Hardness (typically 70-90) to ensure the coupling provides the necessary vibration dampening without sacrificing structural integrity.

How do I ensure the coupling is compatible with my existing pump system?

Compatibility hinges on bore size, keyway dimensions, and DBSE (Distance Between Shaft Ends). You should request CAD drawings from the supplier to verify the outer diameter (OD) and overall length (L). For high-speed applications, ensure the coupling is dynamically balanced to prevent premature bearing failure in the pump or motor.

What compliance standards should I look for in industrial rubber couplings?

For international trade, look for suppliers who adhere to ISO 9001 for quality management. If the pump is used in hazardous environments (like oil and gas), ATEX certification for spark-proof components is mandatory. Additionally, ensure the rubber compounds meet REACH or RoHS standards to avoid restricted hazardous substances, especially for European markets.

What are the typical usage scenarios and maintenance requirements?

These couplings are widely used in centrifugal pumps, water treatment plants, and chemical processing. Maintenance is minimal but critical; you should inspect for cracking, permanent deformation, or 'rubber dust' every 6 months. A high-quality rubber insert should last 2-5 years under normal operating conditions before requiring replacement.

Cross-Border Procurement Strategy for Pump Couplings

How can I mitigate the risk of receiving poor-quality rubber materials?

The biggest risk in rubber products is the use of recycled rubber or excessive fillers, which lead to premature cracking. To mitigate this, request a material test report (MTR) and use Made-in-China.com's inspection services to conduct a 'Durometer Test' and 'Tensile Strength Test' before the balance payment is made.

What is the most cost-effective way to ship these heavy but small components?

Since rubber couplings and their metal hubs are dense and heavy, LCL (Less than Container Load) sea freight is usually the most economical for bulk orders. For urgent replacement parts, International Express (DHL/FedEx) is viable, but ensure the supplier uses vacuum packaging to prevent rubber oxidation during long-distance transit.

How should I negotiate with suppliers regarding customization and MOQs?

Many professional manufacturers on Made-in-China.com offer OEM services for non-standard bore sizes. When negotiating, offer a higher initial volume for the rubber inserts (which are wear parts) in exchange for a lower MOQ on the metal hubs. This ensures you have a stock of replacements while keeping your capital investment in hardware low.

What transaction security measures should be taken for international B2B orders?

Always utilize Secured Trading services provided by the platform to ensure your funds are only released after proof of shipment. Avoid direct wire transfers to private accounts; ensure the beneficiary name matches the company name on the business license and the Made-in-China.com audited supplier profile.

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