保温截止阀 DN50 返回列表页

保温截止阀

产品性能规范
该阀适用于化工、化肥行业的管路上，夹套内涵入蒸汽能防止介质结晶。

型号公称压力PN(MPa)试验压力适用温度适用介质保温套压力(MPa)
壳体密封
BJ45W-25P2.53.752.75≤200硝酸类≤1.0
BJ45W-40P4.06.04.4
BJ45W-64P6.49.06.6
BJ45W-25R2.53.752.75硝酸类
BJ45W-40R4.03.04.4
BJ45W-64R6.49.06.6

I型主要外形尺寸和连接尺寸(II型法兰大一级)

公称压力PN公称通径DN尺寸
LDD1D2D3B1foBD63-GZ-ΦdHH1Do
2.5


4.0151701057555358416513/84-Φ14250262120
201901158565428416583/84-Φ14292308140
2521013510078508418663/84-Φ
3223014511085608418761/24-Φ
40260160125100728420881/24-Φ
503001801451209484221101/28-Φ
6534019516013510584221211/28-Φ
80380230190160128114.5241501/28-Φ23540600280
100430270220188154114.5281761/28-Φ25560625320
125490300250218182114.5302041/28-Φ25625737360
150550330280248212114.5322041/212-Φ25720790360

主要零件材料

零件名称阀体、阀盖阀瓣垫片
BJ45W-25P、BJ45W-40P、BJ45W-64P铬镍钛钢铬镍钛钢+硬质合金聚四氟乙烯
BJ45W-25P、BJ45W-40P、BJ45W-64P铬镍钼钛钢铬镍钼钛钢+硬质合金聚四氟乙烯