不銹鋼低溫安全閥DA21F-16P產品簡介：
不銹鋼低溫安全閥DA21F-16P閥體材料采用不銹鋼材質，適用于低溫的氣體或液體的等介質管道、容器等設備上，作為超壓保護裝置。本產品加工成品后又經過一道深冷處理的加工，使得產品更具耐低溫。
不銹鋼低溫安全閥DA21F-16P零部件材質：
NO.
|
零件名稱
|
A21H-C/A21F材料
|
DA21W-P/A21F-P材料
|
A21Y-R材料
|
1
|
管接頭
|
20
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
2
|
管接頭螺母
|
35
|
2Cr13
|
1Cr18Ni9Ti
|
3
|
閥座
|
35
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
4
|
閥體
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
5
|
閥瓣
|
2Cr13/2Cr13+PTFE
|
1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE
|
1Cr18Ni12Mo2Ti
|
6
|
彈簧座
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
7
|
彈簧
|
50CrVA
|
50CrVA包覆氟塑料
|
50CrVA包覆氟塑料
|
8
|
鎖緊螺母
|
Q235-A
|
ZG230-450
|
1Cr18Ni9Ti
|
9
|
彈簧導向墊
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni12Mo2Ti
|
10
|
調節(jié)螺母
|
Q235-A
|
2Cr13
|
1Cr18Ni12Mo2Ti
|
密封面材料
|
"Y"型堆焊Co基硬質合金,"H"型堆焊D507,"W"型為閥門本體
|
|||
不銹鋼低溫安全閥DA21F-16P結構尺寸：
型號
|
公稱通徑
|
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
|
