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AY42H/YA802Y safety relief valve
AY42H and YA802Y safety relief valves can be used on the pipelines of high-pressure water injection pump stations as overpressure protection devices.
Product details
AY42H and YA802Y safety relief valves can be used on the pipelines of high-pressure water injection pump stations as overpressure protection devices.
Main performance specifications
|
model
|
nominal pressure
|
Activate pressure grading
|
Working temperature（℃）
|
Applicable Medium
|
|
AY42H-160 YA802Y-160
|
16.0
|
6.3～16.0
|
200
|
Water, oil, etc
|
|
AY42H-250 YA802Y-250
|
25.0
|
10.0～25.0
|
||
|
AY42H-400 YA802Y-400 YA802Y-600
|
40.0-60.0
|
20.0～60.0
|
Material for main parts
|
NO
|
Part name
|
material
|
|
1
|
valve body
|
carbon steel
|
|
2
|
valve seat
|
stainless steel
|
|
3
|
Valve flap
|
stainless steel
|
|
4
|
valve cover
|
welding parts
|
|
5
|
spring
|
50CrVA
|
Main overall dimensions
|
model
|
Nominal Diameter
|
size
|
||||
|
Rc
|
ZG
|
L
|
L1
|
≈H
|
||
|
YA802Y-600
|
15
|
1/2'
|
1/2'
|
52
|
90
|
250
|
|
25
|
1'
|
1'
|
52
|
113
|
275
|
|
|
40
|
11/2'
|
11/2'
|
52
|
157
|
336
|
|
|
model
|
Nominal Diameter
|
size
|
|||||||||
|
D
|
D1
|
K
|
M
|
Z-ød
|
b
|
L
|
L1
|
Rc
|
≈H
|
||
|
AY42H-160 AY42H-250 AY42H-400
|
15
|
135
|
95
|
25
|
M48×2
|
4-22
|
25
|
65
|
140
|
1/2'
|
329
|
|
25
|
165
|
115
|
30
|
M52×2
|
6-26
|
28
|
80
|
150
|
1'
|
447
|
|
|
25
|
200
|
145
|
38
|
M80×3
|
6-29
|
40
|
90
|
180
|
11/2'
|
485
|
|
|
32
|
225
|
170
|
42
|
M100×3
|
6-33
|
50
|
100
|
200
|
21/2'
|
570
|
|
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