Bonded Seals

Bonded Seals are also known as Dowty Seals or Dowty Bonded Washers. They are high pressure seals which are used in the Mechanical, Hydraulic and Pneumatic sectors.

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<h1>Bonded Seals</h1>

Bonded Seals

Bonded Seals were originally designed to replace copper-type washers that are used in high-pressure systems. They comprise of a metal washer and an elastomeric ring which is bonded inside the diameter. The metal washer prevents over-compression and limits deformation of the elastomeric ring.

Characteristics

 Ideal Pressure Gasket.
 Reliable sealing at high & low pressure.
 High & low temperature capability.
 Reduced bolt torque with no loss of tightening loads.
 Metal ring prevents rubber compression.

The most common washer types are Mild Steel or Stainless steel. Other more unusual metals can be supplied. Different combinations of metal washer and rubber sealing elements can be produced.

Bonded Seals are available in a choice of materials including:
 Mild Steel.
 Nitrile.
 Stainless Steel.
 Viton.
 Brass.
 EPDM.
 Aluminium.
 Silicone.

Eastern Seals (UK) Ltd can supply both standard and Self-Centering styles in the following ranges:

 Bolt size (Imperial).
 BSP.
 German Metric.
 French Metric.

Self-Centering seals eliminate seal offset and simplify installation. These are available in a range of Imperial, Metric, German Metric and French Metric sizes. A variety of metals and sealing materials are also available to suit your application.

These seals are readily available in Imperial sizes from 1/8 inch to 3 inches. French and German Metric sizes form part of our extensive stock. Please contact us for full sizing catalogue with material specifications table.

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