Series |
装置。连接法兰标准≤4MPa采用JB/T……-941。>4MPa按JB/T……-942标准。本阀门适用于工作温度≤200℃存在不稳定背压或有毒、腐蚀性介质的设备或管路上,作为超压保护 |
WA42Y-16C WA42Y-25 WA42Y-40 WA42Y-64 WA42Y-100 WA42Y-16P WA42Y-25P WA42Y-40P WA42Y-64P WA42Y-100P WA42Y-16R WA42Y-25R WA42Y-40R WA42Y-64R WA42Y-100R |
These safety valves are used for the equipment and pipeline of the poisonous gas, quality with corrode medium what the working temperature are less than 200 . Take for extra pressure protection devices. Flange connectiong dimensions of comply with Standard series first of JB/T -94 when less than 4MPa, comply wiht Standard series two of JB/T -94 when more than 4MPa. |
主要零部件材料 Explanation of materials for main parts |
NO. |
Name of part |
WA42Y-C Materials |
WA42Y-P Materials |
WA42Y-R Materials |
1 |
阀 体Body |
WCB |
ZG1Cr18Ni9Ti, 304 |
CF8M |
2 |
Nozzle |
2Cr13 |
1Cr18Ni9Ti |
316 |
3 |
调 节 圈 Adjusting ring |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni12Mo2Ti |
4 |
阀 瓣 Disc |
2Cr13 |
1Cr18Ni9Ti |
316 |
5 |
Disc holder |
2Cr13 |
1Cr18Ni9Ti |
316 |
6 |
Bellows |
304 |
304 |
316 |
7 |
导 向 套Guide sleeve |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni12Mo2Ti |
8 |
阀 盖Bonnet |
ZG230-450 |
ZG230-450 |
ZG230-450 |
9 |
弹 簧Spring |
50CrVA |
50CrVA Coated Teflon |
50CrVA Coated Teflon |
|
Sealing surface of material |
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