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 slite
