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Metal Rubber Washer

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Metal Rubber Washer
Details
Metal Rubber Washer is an integrated composite static seal formed by vulcanizing metal backing and elastic rubber ring as one piece. It integrates the rigid support of metal and flexible sealing of rubber, delivering stable leak-proof performance for threaded fittings and hydraulic joints under fluctuating working pressure.
Category
Bonded Seal
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Description

DEDE Seal Co., Ltd. is one of the most reliable manufacturers and suppliers of metal rubber washer in China. If you're going to buy bulk metal rubber washer made in China, welcome to get pricelist from our factory. All customized seals are with high quality and competitive price.

 

Metal Rubber Washer perfectly combines two core materials: rigid metal washer and elastic elastomer sealing ring via high-temperature vulcanization bonding. The metal layer offers stable mechanical support and limits excessive compression of rubber during bolt tightening, avoiding seal collapse under high torque. When compressed between two flat mating surfaces, the bonded rubber layer deforms evenly to fill tiny assembly gaps, effectively blocking oil, gas and fluid leakage even when system pressure surges up and down. Instead of assembling separate metal washers and independent O-rings on site, this all-in-one design eliminates assembly errors caused by mismatched spare parts, ensuring uniform sealing effect for mass production equipment. DEDE supplies multiple metal substrates and rubber formulas to match general, high-temperature and corrosion-prone working conditions.

 

Design Advantages

 

All-in-one integrated metal-rubber structure, replacing split washer + O-ring two-piece assembly

Greatly reduces installation errors, guarantees consistent sealing tightness for each joint

Metal carrier provides structural rigidity, prevents rubber over-compression and extrusion failure

Stable sealing performance under frequent pressure fluctuations and mechanical vibration

Simplifies spare parts management, cuts inventory types and assembly labor cost

Wide range of standard metric & inch sizes ready in stock for fast bulk shipment

 

Typical Applications

 

 

● Hydraulic hose fittings, threaded pipe connectors
● Hydraulic control valves, manifold blocks and screw plugs
● Hydraulic power packs and small hydraulic stations
● General industrial machinery fluid ports
● Mobile construction & agricultural equipment
● Automotive engine, brake and fuel threaded connections

product-1060-402

 

FAQ

 

 

Q1: What is the main difference between Metal Rubber Washer and Bonded Oil Seal?

A: The product adopts a flat rubber sealing layer with a flatter structure, mostly used for oil drain bolts and light-duty threaded plugs. Bonded Oil Seal features an inner trapezoidal lip structure with higher pressure resistance for high-pressure hydraulic ports. It is preferred to select this composite washer for low-pressure light-duty working conditions.

Q2: What factors will lead to separation between metal base and elastic layer of composite sealing gaskets?

A: Service temperature exceeds material tolerance, strong chemical medium erosion, excessive tightening torque, longterm exposure to ozone environment and improper storage will cause such failure.

Q3: Can standard copper gaskets be directly replaced by Metal Rubber Washer?

A: Direct replacement is available when the outer diameter, inner diameter and thickness are consistent. There is no need to modify bolts and mounting seats, and the sealing effect can be easily upgraded.

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