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.
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
- Aluminum
- Silicone
AOK Valve Seal Ltd can supply both standard and Self Centering styles in the following ranges:
- Inch
- BSP
As the leading and professional bonded seal (Sealing Washers) manufacturer, AOK Valve Seal Ltd. supplies various bonded seals. With years of experience and advanced technology, AOK are excellent in producing high quality bonded seals and obtained ISO 9001 and TS16949 qualifications. We focus on creating value for customers by providing outstanding technical and manufacturing services. If you need more details about bonded seals and other valve seals, welcome to contact AOK!
Article Source: http://www.easternseals.co.uk/products/bonded-seals/