- Metal hard seated bufferfly valve
- 2017-01-14 02:09
- 1.Design standard:GB/T12220-1989 2.Flange standard :GB/T9113.1-2000 GB/T9115.12-2000 3.Structure length:GB/T12221-1989
- Lift and vertical lift check valve
- 2017-01-14 02:09
- 1.Design manufacture:GB/T12235-89 2.Face to face:GB/T12221-89 3.Flange standard:JB/T79-94 4.Valve check and test:GB/T139
- safety relief surface steam safety valve
- 2016-10-23 08:28
- safety relief surface steam safety valve DN:25mmPN:0.6-0.8MpaSet Pressure: 0.7Mpa