不锈钢低温安全阀DA21F-16P产品简介：
不锈钢低温安全阀DA21F-16P阀体材料采用不锈钢材质，适用于低温的气体或液体的等介质管道、容器等设备上，作为超压保护装置。本产品加工成品后又经过一道深冷处理的加工，使得产品更具耐低温。
不锈钢低温安全阀DA21F-16P零部件材质：
NO.
|
零件名称
|
A21H-C/A21F材料
|
DA21W-P/A21F-P材料
|
A21Y-R材料
|
1
|
管接头
|
20
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
2
|
管接头螺母
|
35
|
2Cr13
|
1Cr18Ni9Ti
|
3
|
阀座
|
35
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
4
|
阀体
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
5
|
阀瓣
|
2Cr13/2Cr13+PTFE
|
1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE
|
1Cr18Ni12Mo2Ti
|
6
|
弹簧座
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
7
|
弹簧
|
50CrVA
|
50CrVA包覆氟塑料
|
50CrVA包覆氟塑料
|
8
|
锁紧螺母
|
Q235-A
|
ZG230-450
|
1Cr18Ni9Ti
|
9
|
弹簧导向垫
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
10
|
调节螺母
|
Q235-A
|
2Cr13
|
1Cr18Ni12Mo2Ti
|
密封面材料
|
"Y"型堆焊Co基硬质合金,"H"型堆焊D507,"W"型为阀门本体
|
|||
不锈钢低温安全阀DA21F-16P结构尺寸：
型号
|
公称通径
|
do
|
d
|
Do
|
M
|
d1
|
D1
|
L
|
L1
|
≈H
|
A21W-16P
A21F-16P DA21F-16P DA21W-16P A21W-40P KA21-16P |
15
|
12
|
15
|
20
|
M27×1.5
|
G1/2"
|
30
|
35
|
76
|
66
|
20
|
16
|
20
|
25
|
M33×1.5
|
G3/4"
|
35
|
40
|
87
|
68
|
|
25
|
18
|
25
|
31
|
M39×1.5
|
G1"
|
40
|
50
|
100
|
105
|
|
A21Y-64
A21Y-64P A21Y-100 A21Y-100P |
15
|
10
|
15
|
25
|
M39×1.5
|
G1"
|
44
|
50
|
100
|
66
|
20
|
10
|
20
|
31
|
M39×1.5
|
G1"
|
44
|
50
|
100
|
68
|
|
25
|
12
|
25
|
31
|
M39×1.5
|
G1"
|
44
|
50
|
100
|
105
|
|
A21W-160/160P
|
15
|
8
|
20
|
/
|
M24×2
|
G1"
|
44
|
50
|
100
|
261
|
20
|
8
|
25
|
/
|
M33×2
|
G1"
|
44
|
50
|
100
|
261
|
|
25
|
8
|
28
|
/
|
M36×2
|
G1"
|
44
|
50
|
100
|
