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Bonded seals, metal washer
| Bonded Seals | Profile | Metal support | Minimum explosion pressure | Application | Check stock |
| Normal |  |
AISI1008-10101 Galvanised Steel | 540 MN/m2 | General | |
| Self-centring |  |
AISI1008-10101 Galvanised Steel | 540 MN/m2 | General | |
| Normal | |
SS316L/SS304L Stainless Steel | 540 MN/m2 | Corrosion protection in extreme conditions | |
| Self-centring | |
SS316L/SS304L Stainless Steel | 540 MN/m2 | Corrosion protection in extreme conditions |
Bonded seals, a reliable solution to fix problems with static sealing
The bonded seal is a combination made up of a metal washer and an elastomer lip stuck to the metal element by means of vulcanisation.
The metal washer (made of galvanised steel or stainless steel) makes sure that the connecting components stay safely fastened together. The thickness of the washer limits the compression of the elastomer lip (NBR or FKM/Viton®) and thus avoids excessive tightening being exerted on the seal. This is how it ensures a tight seal. The internal pressure increases the plugging force when the sealing lip is activated. The bonded seal is available in various formats, normal and self-centring.
Bonded seals, elastomer lip
| Part | Elastomer material | Class of polymer | Resistant to | Aggressive to |
| Bonded seal | NBR | Acrylonitrile Butadiene, Buna-N | Oils, greases, hydraulic fluids, chemical products, large variety of hydrocarbons | Ozone, ketones, esters, aldehydes, chlorinated and nitro hydrocarbons. |
| Bonded seal | FKM/VITON® | Fluorocarbon rubber | Increased resistance to fluids compared to other elastomers. As well as all aliphatic, aromatic, and halogenated hydrocarbons, acids, animal and vegetable oils. | Ketones, alcohols, and esters with low molecular weight and components with nitrogen. |