Description: 

本阀门适用于工作温度≤350℃的蒸汽、空气等介质的设备或管路上。作为超压保护装置。连接法兰标准按JB/T-94的1。

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)