Product Standard:
Design and manufacture: GB12234
Structure length: GB12221
Pressure temperature rating: GB9131 GB/T74 HG20604
Flange: JG/T79 GB9113 HG20593-20635
Test and inspection: GB13927 JB/T9092

Product Use:
Flanged steel gate voltage applied to the nominal pressure PN10.0 ~ 25.0Mpa, operating temperature -29 ~ 600 ℃ oil, chemical, fire station and other conditions of the pipe on the road, or turn off the media. Applicable medium: water, oil, steam, etc. Mode of operation are: manual, gear drive, electric and so on.

Product structural features:
1 meet the requirements of domestic and foreign advanced standards, reliable sealing, excellent performance, attractive appearance.
2 gate and seat sealing surface of iron-based alloy or stellite welding (stellite) cobalt-based alloy cladding made ​​of wear-resistant, high temperature resistance, corrosion resistance, anti-abrasion performance and long service life .
3 stem after the quenching and surface nitriding, has good corrosion resistance and scratch resistance out.
4 the use of wedge flexible gate structure, the set of large diameter bearings, friction is small, open and close easily.
5 can be a variety of standard pipe flanges and flange sealing surface to meet the requirements of various engineering and user requirements.