This safety valve are used for the equipment and pipeline of the steam, air etc medium what the working temperature are less than 350℃. Take for extra pressure protection devices.Flange connecting dimensions of comply with Standard series one of JB/T-94.
NO. 零件名称 Name of part Materials
1 阀 体 Body WCB
2 阀 座 Nozzle ZG2Cr13
3 调 节 圈 Adjusting ring ZG2Cr13
4 阀 瓣 Disc 2Cr13
5 导 向 套 Guide sleeve 2Cr13
6 阀 盖 Bonnet ZG230-450
7 弹 簧 Spring 50CrVA
8 阀 杆 Stem 2Cr13
9 扳 手 Lever ZG200-400
10 调整螺杆 Adjusting bolt 45
11 保 护 罩 Cap ZG200-400
密封面材料 Sealing surface of material H 型堆焊D507,Y堆焊Co基硬质合金 H type Depositing D507, Y type Depositing stellite
外形尺寸和连接尺寸Dimensions (mm)
Type (DN) do D K g g1 b f f1 Z- d DN D1 k1 g2 g1 b1 f f1 Z1- d1 L L1 H