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.
零件名稱 Name of part
Materials
1
閥體 Body
WCB
2
閥座 Nozzle
ZG2Cr13
3
調節圈 Adjusting ring
ZG2Cr13
4
閥瓣 Disc
2Cr13
5
導向套 Guide sleeve
2Cr13
6
閥蓋 Bonnet
ZG230-450
7
彈簧 Spring
50CrVA
8
閥桿 Stem
2Cr13
9
扳手 Lever
ZG200-400
10
調整螺桿 Adjusting bolt
45
11
保護罩 Cap
ZG200-400
密封面材料 Sealing surface of material
"H" 型堆焊D507,"Y"堆焊Co基硬質合金 "H" type Depositing D507, "Y" type Depositing slite
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