Positive Stem SealThe composite diaphragm wedges against the stem with an interference fit and serves as a secondary atmospheric seal to the primary plug / sleeve seal. This unique sealing arrangement renders the valve suitable for vacuum service.
The composite diaphragm wedges against the stem with an interference fit |
Bently Nevada 3500/45 Position Monitor New Original Sealed We hope that everybody is safe in COVID-19 :) Contact Information: Our Email: sales11@htechplc.com Our Skype: +8618060983634 Our Whatsapp: +8618060983634 TLE: +8618060983634 We have the best price!!! Please ...
BS PN10/PN16 Cast iron/ Ductile iron rising stem hard seal gate valve Parameter of the products Design pressure PN16 Application for Water,oil &gas Shell Test 2.4Mpa Seal Test 1.76Mpa 1 Face to face according to BS5163/BS5150 2 Flange drilled BS table D/E Material Specification ...
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color:many Model Number:equipment Brand Name:AOK Place of Origin:Taiwan Valve stem seals 1. Quality certificate: TS16949 2. Materials: NBR, NR, FPM...and Metal 3. Use for all engines ...
Come From Aok Valve Stem Seals Ltd.