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A21W弹簧外螺纹安全阀基本信息
A
弹簧微启式外螺纹安全阀主要零部件材料
NO. |
零件名称 |
A21H-C/A |
A21W-P/A |
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 |
|||
弹簧微启式外螺纹安全阀外形尺寸和连接尺寸
型号 |
公称通径 |
do |
d |
Do |
M |
d1 |
D1 |
L |
L1 |
≈H |
KA21 |
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 |
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 |
型号
|
公称通径
|
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
|
