Ball valve  Series
Stop valve  Series
Relief valve  Series
Oxygen valve  Series
Filter  Series
Vacuum valve  Series
 
　

Classification：Relief valve

Trade names：



The spring opens the closed high-pressure relief valve completely
Classification of the products: Series of the relief valve

The detailed materials of the products:

A42Y-160/320 suitable for working temperature ≤ 200 air , nitrogen hydrogen mix equipment of medium such as being angry or at the pipeline. A42Y-160P/320P , A42Y-160R/320R are suitable for working temperature ≤ 200 degrees Centigrade of equipment or pipeline with corrosivity medium, as exceeding pressing protectors.
Connect flange according to the standard of JB/T2769-92.


Main spare part material

NO.
Part name
A42Y-160 A42Y-320 material
A42Y-160P A42Y-320P material
A42Y-160R A42Y-320R material
1
Flange
35/35CrMoA
2Cr13
1Cr18Ni12Mo2Ti
2
Valve seat
2Cr13
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
3
The valve has body
40
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
4
Regulate and enclose
2Cr13
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
5
Valve one
2Cr13
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
6
Recoil plate
2Cr13
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
7
Lead set
2Cr13
1Cr18Ni9Ti
1Cr18Ni12Mo2Ti
8
The valve covering
ZG230-450
ZG230-450
ZG230-450
9
Valve stem
2Cr13
1Cr18Ni9Ti
1Cr18Ni9Ti
10
Spring
50CrVA
50CrVA wraps up and covers the fluoroplastics
50CrVA wraps up and covers the fluoroplastics
11
Adjust spiral shell's pole
45
2Cr13
2Cr13
12
Valve cap
ZG200-400
ZG200-400
ZG200-400
Seal the surface material
Pile and weld the base hard alloy of Co

External dimension and size of connecting

Type
Nominal and open directly
do
d
M
K
D
Z-ød
b
d1
M1
K1
D1
Z1-ød1
b1
L
L1
≈ H
A42Y-160
15
8
20
M34* 2
60
95
3-18
20
29
M42* 2
80
115
4-18
22
95
100
220
20
8
27
M33* 2
68
105
3-18
20
29
M42* 2
80
115
4-18
22
95
100
220
25
14
28
M33* 2
68
105
3-18
20
50
M64* 3
115
165
6-26
32
150
150
280
32
15
37
M42* 2
80
115
4-18
22
50
M64* 3
115
165
6-26
32
150
150
390
40
20
47
M52* 2
115
165
6-26
28
65
M80* 3
145
200
6-29
40
180
180
495
50
25
59
M64* 3
115
165
6-26
32
80
M100* 3
170
225
6-33
50
165
165
400
A42Y-320
15
8
27
M33* 2
68
105
3-18
20
29
M42* 2
80
115
4-18
22
95
100
220
20
8
30
M33* 2
75
110
3-18
22
29
M42* 2
80
115
4-18
22
95
100
220
25
14
35
M42* 2
80
115
4-18
22
50
M64* 3
115
165
6-26
32
150
150
280
32
15
41
M48* 2
95
135
4-22
25
50
M64* 3
115
165
6-26
32
150
150
390
40
20
58
M64* 3
115
165
6-26
32
65
M80* 3
145
200
6-29
40
180
180
495
50
25
70
M80* 3
145
200
6-29
40
80
M100* 3
170
225
6-33
50
165
165
400
A42Y-400
32
15
41
M48* 2
95
135
4-22
25
50
M64* 3
115
165
6-26
32
150
150
397


　　　

 
       
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