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长荣阀门 >> 阀门\安全阀\

A21H 弹簧微启式外螺纹安全阀

 

弹簧微启式外螺纹安全阀(A21H)
Description:
系列 Series
A21F-16C A21H-16C A21H-40 A21H-64 A21Y-100 A21H-160 A21W-16P A21W-40P A21F-40P A21W-64P A21W-100P A21W-160P KA21Y-16C KA21Y-16P A21Y-16R A21Y-40R A21Y-64R A21Y-100R A21Y-160R
A21F、A21H-C型适用于工作温度≤200℃的空气、氨、石油气……等介质的设备或管路上。A21W-P、R型适用于温度≤200℃有腐蚀性的气体或液体的设备或管路上,作为超压?;ぷ爸?。KA21Y型适用于温度≤100℃的液化石油气等。
A21F, A21H-C type are used for the equipment and pipeline of the air, ammonia, petroleum gas, etc. medium what the wor-king temperature are less than 200 . A21W-P, R type are used for the equipment and pipeline of the quality with corr ode gas and liquid medium shat the wor-king temperature are less than 200 . Take for extrapressure protection devices. KA21Y type are used for liquefied petroleum gas what the working temperature are less than 100
主要零部件材料 Explanation of materials for main parts
NO.
Name of part
A21H-C/A21F  KA21Y-C Materials
A21W-P/A21F-P  KA21Y-P Materials
A21Y-R    Materials
1
   Union
20
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
2
 Union nut
35
2Cr13
1Cr18Ni9Ti
3
 Nozzle
35
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
4
 Body
2Cr13
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
5
 Disc
2Cr13/2Cr13+PTFE
1Cr18Ni9Ti/1Cr18nI9Ti+PTFE
1Cr18Ni12Mo2Ti
6
   Spring washer
2Cr13
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
7
 Spring
50CrVA
50CrVA Coated Teflon
50CrVA Coated Teflon
8
 Locking nut
Q235-A
2Cr13
1Cr18Ni9Ti
9
 Spring guide
2Cr13
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
10
 Adjusting nut
Q235-A
2Cr13
1Cr18Ni12Mo2Ti
 
 Sealing surface of material
"Y" Co Depositing stellite, "H" D507 Depositing D507, "W" body
 
外形尺寸和连接尺寸 Dimensions (mm)
Type
(DN)
Nominal diameter
do
d
Do
M
d1
D1
L
L1
H
KA21Y-16C A21H-16C A21H-40
A21W-16P A21W-40P KA21Y-16P
15
12
15
20
M27    1.5
G1/2"
30
35
76
66
20
16
20
25
M33    1.5
G3/4"
34
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

 

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