oval  ring

Raw  materials:  carbon  steel ,stainless  steel  304,316 

Shapes:lens , octagonal ,or  elliptic

Applicable scope:temperature:-200~800

pressure:0~40Mpa

Suitable to:sealing  of  flanges  at  high temperature   and  pressure  pipings

standard:HGJ73-91          HG/T88-94        HGJ74-91    JB/T89-94    GB9128.1-88 

SHJ403-88     GB9128.2-88     HGJ74-91   JB/T89-94     SHJ403-88

 

    It  is widely applied in petroleum processing,oil refining ,electricity generated by firepower,textile and other light industries ,pharmacy ,pipeline  of nature gas,valve etc. A strict QA system has been set  up   in  accordance  with ISO9001 for the whole process  of our production  and we  practice a standardized management mode with the microcomputer  network  management  system for all management departments. Since ISO9001 Quality management  has been implemented,our level of inspection means and technology  has played a  leading role in the sector of sealing elements and we have become a member of  the science  and technology information  network  of the packing static sealing sector of the  state mechanical industry . Besides,we  have  gained  4 certificates of state patent.