Features
1.Nominal diameter: NPS 2″– 24″
2.Nominal pressure: 150LB–600LB
3.Body material:cast steel, stainless steel,alloy
4.Stem:13Cr, stainless steel
5.Wedge:carbon steel and stainless steel
6.Bellows: stainless steel
7.Stem with bellow seal, Secondary sealing; None-rising handwheel
8.Medium: Petroleum, atural gas, steam, hot water, thermal oil, process water, etc.
Standards
1.Design: AP1600,AP16D
2.Face to face: ASME B16.10
3.Flange ends: ASME B16.5
4.Test&inspection:AP1598,AP16D
