>>系列Series
·A21F-16C ·A21W-16P ·KA21Y-16C
·A21H-16C ·A21W-25P ·KA21Y-16P
·A21H-40 ·A21W-40P ·A21Y-16R
·A21H-64 ·A21W-64P ·A21Y-40R
·A21Y-100 ·A21W-100P ·A21Y-64R
·A21Y-160 ·A21W-160P ·A21Y-100R
·A21F-40P ·A21Y-160R
A21F、A21H-C适用于工作温度≤200℃的石油气、空气、水等介质的设备或管路上。
A21W-P/R型 适用于工作温度≤200℃有腐蚀性介质的设备或管路作为超压保护装置。KA21Y型适用于温度≤100℃的液化石油气等。
>>主要零部件材料
NO |
零件名称 Name of part |
A21F/A21H-C/KA21Y-C材料MATERIALS |
A21F/A21W-P/KA21Y-P材料MATERIALS |
A21Y-R材料MATERIALS |
1 |
管接头Union |
20 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
2 |
管接头螺母Union nut |
35 |
2Cr13 |
1Cr18Ni9Ti |
3 |
阀座Nozzle |
35 |
1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
4 |
阀体Body |
WCB |
1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti |
5 |
阀瓣Disc |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
6 |
弹簧座Spring washer |
ZG2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
7 |
弹簧Spring |
50CrVA |
50CrVA包覆氟塑料Coated Teflon |
50CrVA包覆氟塑料Coated Teflon |
8 |
锁紧螺母Locking nut |
Q235-A |
2Cr13 |
1Cr18Ni9Ti |
9 |
弹簧导向垫Spring guide |
2Cr13 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2Ti |
10 |
调节螺母Adjusting nut |
Q235-A |
2Cr13 |
1Cr18Ni9Ti |
|
密封面材Sealing surface of material |
“Y”堆焊Co基硬质合金Depositing satellite,”H”堆焊D507,“W“型为本体body |