游客

标题:FULL WELDED BALL VALVE
正文:
Size & Pressure : 150# DN50-DN1200 / 300# DN50-DN1200 / 600# DN50-DN1200 / 900# DN50-DN900 / 1500# DN50-DN600 / 2500# DN25-DN300Summary : FULL WELDED BALL VALVE including Bow-out proof stem,Anti-fire safe design,Free leakage of body Sealed construction FULL WELDED BALL VALVE1.Bow-out proof stemFor the purpose of preventing the stem from flying off resulting in abnormal rising of the inner pressure of valve,shoulder is fixed at the lower part of the stem.In addition,in order to prevent leakage resulting from burnout of packing set of the stem in a fire,thrust bearing is set at the contact position of the shoulder at lower part of the stem and valve body.Thus an inverse seal seat is formed which will prevent leakage and avoid accident. 2.Anti-fire safe designWhen the trunnion ball valve be used normally,its sealed by seat and ball surface,seat retainer sealed by O-ring and body,this is soft sealed and reliable sealing.When the seat and O-ring are burnt,the seat retain
[<<][[1]][2][3][>>]

查看评论(0)
发表评论



首页