Bonded/ Dowty Seals

Bonded / Dowty Seals represent a combination of metal washer and elastomer sealing lip vulcanised to the edge of the metal part to seal bolted connections and mounting elements in all industrial applications e.g. pipe connections and couplings.

When the bolted connection is tightened, the sealing lip is pressed against the flat surfaces. The metal washer ensures that the components to be connected are reliably and securely held. The thickness of the washer limits the compression of the elastomer seal, eliminates any over torque of the joint, thereby ensuring a reliable sealing system. The internal pressure increases the sealing force by energising the sealing lip.

Diyak Ltd. manufactures Bonded / Dowty Seals in a wide range of sizes and standards. We also manufacture special Bonded / Dowty Seals based on customer requirements.

Advantages of Bonded / Dowty Seals:

Bonded / Dowty Seals are cost effective solution for bolt/thread sealing
Versatile, applicable to all threaded bolts, studs and clearance holes
Sealing washers are available for metric, Whitworth and BSP threads
Bonded / Dowty Seals are available in a large range of elastomers and metals available
Wide temperature range
Reliable high and low pressure sealing
Metall washer prevents over -compression and extrusion
Usable for overhead installation
Can be automatically installed
Seals to plane surfaces with no housing for the sealing lip
Visible from the outside
No sweating
Bonded / Dowty Seals are re-usable
Metal washer with vulcanised sealing body of rubber for sealing of bolt heads and flanges
Bonded / Dowty Seals are available in all European thread sizes.