Pole bolt penetration for accumulators - has elastic sealant joined to housing lid and tensioned between pole-nut and-bolt

摘要

Pole bolt penetration includes an elastic sealing member connected to the accumulator housing lid, and tensioned between the pole bolt and a pole nut or cap. Sealing member is in the form of a roll membrane, and surrounds the pole nut or cap with one end welded to the lid. Roll membrane pref. consists of a thermoplastic elastomer. Polypropylene pressure ring is pref. located on the collar of the membrane. USE/ADVANTAGE - For accumulators penetration is simple and reliable