標波紋管法蘭截止閥 WJ41H/Y:
Bb Os & Y型結構
制造標準:GB12235 結構長度:GB12221
對焊口標準:GB12224 試驗標準:GB13927
Bb Os & Y structure
Manufacture:GB12235 Face to face:GB12221
Butt-welding:GB12224 Test:GB13927
公稱壓力
(nominal pressure) 1.6Mpa 2.5Mpa 4.0Mpa
密封試驗(seal test) 1.8MPa 2.8MPa 4.4MPa
殼體強度(shell) 2.4MPa 3.6MPa 6.0MPa
適用溫度
(suitabletemprature) 300℃
特點(features):
雙層波紋管(double walls bellow seal) 維修方便(maintenance-free)
波紋管密封閥桿(spindle with bellow seal) 雙重密封(secondary sealing)
位置指示(position indicator) 無升降手輪(non-rising handwheel)