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

Classification：Relief valve

Trade names：



Bring radiator spring all opening type relief valve
Classification of the products: Series of the relief valve

The detailed materials of the products:

YA40Y-C suitable for working temperature 400 of ≤, YA40Y-1≤ degrees Centigrade of air , water , nitrogen hydrogens mix equipment of medium such as being angry or at the pipeline, YA40Y-P is suitable for working temperature ≤ 300 degrees Centigrade of equipment or pipeline with corrosivity medium, as exceeding pressing protectors.


Main spare part material

NO.
Part name
YA40Y-C material
YA40Y-P material
YA40Y-I material
1
The valve has body
WCB
ZG1Cr18Ni9Ti
ZG1Cr5Mo
2
Valve seat
2Cr13
1Cr18Ni9Ti
1Cr18Ni9Ti
3
Regulate and enclose
2Cr13
1Cr18Ni9Ti
1Cr18Ni9Ti
4
Valve one
2Cr13
1Cr18Ni9Ti
1Cr18Ni9Ti
5
Lead set
2Cr13
1Cr18Ni9Ti
1Cr18Ni9Ti
6
Radiator
ZG230-450
ZG230-450
ZG230-450
7
The valve covering
ZG230-450
ZG230-450
ZG230-450
8
Spring
50CrVA
50CrVA wraps up and covers the fluoroplastics
50CrVA wraps up and covers the fluoroplastics
9
Valve stem
2Cr13
1Cr18Ni9Ti
2Cr13
10
Adjust spiral shell's pole
45
1Cr18Ni9Ti
2Cr13
11
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
K
g
g1
b
f
f1
Z-ød
DN'
D1
K1
g3
g2
b1
f'
f1'
z1-ød1
L
L1
≈ H
YA40Y-16C
YA40Y-16P
YA40Y-16I
20
15
105
75
55
16
2
4-14
25
115
85
65
16
2
4-14
110
95
518
25
16
115
85
65
16
2
4-14
32
140
100
78
18
2
4-18
110
95
518
32
20
140
100
78
18
2
4-18
40
150
110
85
18
3
4-18
115
100
518
40
25
150
110
85
18
3
4-18
50
165
125
100
20
3
4-18
120
110
579
50
32
165
125
100
20
3
4-18
65
185
145
120
20
3
4-18
135
120
639
65
40
185
145
120
20
3
4-18
80
200
160
135
20
3
8-18
160
140
671
80
50
200
160
135
20
3
8-18
100
220
180
155
22
3
8-18
170
135
676
100
65
220
180
155
22
3
8-18
125
250
210
185
22
3
8-18
195
175
787
125
80
250
210
185
22
3
8-18
150
285
240
210
24
3
8-23
210
190
977
150
100
285
240
210
24
3
8-23
175
310
270
240
26
3
8-23
255
230
1035
200
125
340
295
265
26
3
12-23
250
405
355
320
30
3
12-26
300
260
1193
YA40Y-25
YA40Y-25P
YA40Y-25I
20
15
105
75
55
16
2
4-14
25
115
85
65
16
2
4-14
110
95
518
25
16
115
85
65
16
2
4-14
32
140
100
78
18
2
4-18
110
95
518
32
20
140
100
78
18
2
4-18
40
150
110
85
18
3
4-18
115
100
518
40
25
150
110
85
18
3
4-18
50
165
125
100
20
3
4-18
120
110
579
50
32
165
125
100
20
3
4-18
65
185
145
120
20
3
4-18
135
120
639
65
40
185
145
120
22
3
8-18
80
200
160
135
20
3
8-18
160
140
671
80
50
200
160
135
22
3
8-18
100
220
180
155
22
3
8-18
170
135
676
100
65
230
190
160
24
3
8-23
125
250
210
185
22
3
8-18
195
175
787
125
80
270
220
188
28
3
8-26
150
285
240
210
24
3
8-23
210
190
977
150
100
300
250
218
30
3
8-26
175
310
270
240
26
3
8-23
255
230
1035
200
125
360
310
278
34
3
12-26
250
405
355
320
30
3
12-26
300
260
1193
YA40Y-40
YA40Y-40P
YA40Y-40I
20
15
105
75
51
55
16
2
4
4-14
25
115
85
65
16
2
4-14
110
95
518
25
16
115
85
58
65
16
2
4
4-14
32
140
100
78
18
2
4-18
110
95
518
32
20
140
100
66
78
18
2
4
4-18
40
150
110
85
18
3
4-18
115
100
518
40
25
150
110
76
85
18
3
4
4-18
50
165
125
100
20
3
4-18
120
110
579
50
32
165
125
88
100
20
3
4
4-18
65
185
145
120
20
3
4-18
135
120
639
65
40
185
145
110
120
22
3
4
8-18
80
200
160
135
20
3
8-18
160
140
671
80
50
200
160
121
135
22
3
4
8-18
100
220
180
155
22
3
8-18
170
135
676
100
65
235
190
150
160
24
3
4.5
8-23
125
250
210
185
22
3
8-18
195
175
787
125
80
270
220
176
188
28
3
4.5
8-26
150
285
240
210
24
3
8-23
210
190
977
150
100
300
250
204
218
30
3
4.5
8-26
175
310
270
240
26
3
8-23
255
230
1035
YA40Y-64
YA40Y-64P
YA40Y-64I
20
10
125
90
51
68
22
2
4
4-18
25
115
85
58
65
16
2
4
4-14
96
85
384
25
16
140
100
58
78
22
2
4
4-18
32
140
100
66
78
18
2
4
4-18
110
100
384
32
20
155
110
66
82
24
2
4
4-23
40
150
110
76
85
18
3
4
4-18
130
110
396
40
25
170
125
76
95
24
3
4
4-23
50
165
125
88
100
20
3
4
4-18
130
120
426
50
32
180
135
88
105
26
3
4
4-23
65
185
145
110
120
22
3
4
8-18
135
130
504
65
40
205
160
110
130
28
3
4
8-23
80
200
160
121
135
22
3
4
8-18
175
160
613
80
50
215
170
121
140
30
3
4
8-23
100
235
190
150
160
24
3
4.4
8-23
175
160
603
100
65
250
200
150
168
32
3
4.5
8-26
125
270
220
176
188
28
3
4.5
8-25
195
195
813
150
100
345
280
204
240
38
3
4.4
8-34
200
375
320
260
282
38
3
4.5
12-30
280
265
1064
YA40Y-100
YA40Y-100P
YA40Y-100I
20
10
125
90
51
68
22
2
4
4-18
25
115
85
58
65
16
2
4
4-14
96
85
384
25
16
140
100
58
78
24
2
4
4-18
32
140
100
66
78
18
2
4
4-18
110
100
384
32
20
155
110
66
82
24
2
4
4-23
40
150
110
76
85
18
3
4
4-18
130
110
396
40
25
170
125
76
95
26
3
4
4-23
50
165
125
88
100
20
3
4
4-18
130
120
426
50
32
195
145
88
112
28
3
4
4-26
65
185
145
110
120
22
3
4
8-18
135
130
504
65
32
220
170
110
138
32
3
4
8-26
80
200
160
121
135
22
3
4
8-18
175
160
613
80
40
230
180
121
148
34
3
4
8-26
100
235
190
150
160
24
3
4.5
8-23
175
160
603
100
50
265
210
150
172
38
3
4.5
8-30
125
270
220
176
188
28
3
4.5
8-25
195
195
813
150
80
355
290
204
250
46
3
4.5
12-34
200
375
320
260
282
38
3
4.5
12-30
280
265
1064


　　　

 
       
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