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Copper Washers
Copper washers are precision-engineered components made from high-purity copper, designed to provide both load distribution and sealing in mechanical assemblies. Their soft, malleable nature allows them to deform under pressure, creating a tight, leak-proof seal while protecting the fastener and mating surface from damage. Copper's excellent thermal and electrical conductivity, corrosion resistance, and resistance to galling make these washers ideal for high-pressure, hydraulic, plumbing, and automotive applications where reliability and durability are critical.
Manufactured to precise standards such as DIN 125A, copper washers are fully compatible with a wide range of fasteners. The standard ensures that the outside diameter is typically twice the inside diameter, providing consistent performance across applications.
When Would Copper Washers Be Used?
Copper washers are ideal for sealing and high-pressure applications. Due to their softness and corrosion resistance, they can deform slightly under pressure to create a tight seal between the fixing and mating surface. This makes them perfect for applications where leak prevention is critical.
Common uses include:
- Hydraulic systems – pumps, valves, and cylinders
- Plumbing and fluid fittings – preventing leaks under pressure
- Automotive and machinery components – gaskets and high-pressure joints
Why Choose Copper Washers?
Copper washers combine strength, flexibility, and corrosion resistance, making them a reliable choice for both industrial and high-performance applications. Their ability to conform to surfaces ensures a secure, leak-proof seal every time.
How Do Copper Washers Compare to Other Materials?
Compared to steel or aluminium washers, copper washers are softer and more malleable, providing superior sealing performance in dynamic or high-pressure environments. They are especially effective where corrosion resistance and long-term reliability are required.
If you need assistance selecting the right washer or would like to discuss custom options, contact our expert team at 01233 713581.
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