|
彈簧微啟式外螺紋安全閥產品詳細資料：
A21F、A21H-C型彈簧微啟式外螺紋安全閥適用于工作溫度≤200℃的空氣、氨、石油氣……等介質的設備或管路上。A21W-P、R型適用于溫度≤200℃有腐蝕性的氣體或液體的設備或管路上，作為超壓保護裝置。KA21Y型適用于溫度≤100℃的液化石油氣等。?
彈簧微啟式外螺紋安全閥主要零部件材料：?
|
NO.?
|
零件名稱?
|
A21H-C/A21F材料?
|
A21W-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?
|
彈簧微啟式外螺紋安全閥外形尺寸和連接尺寸：?
|
型號?
|
公稱通徑?
|
do?
|
d?
|
Do?
|
M?
|
d1?
|
D1?
|
L?
|
L1?
|
≈H?
|
|
KA21-16C
A21H-16C
A21H-40
A21W-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
|
285
|
?
|
