Pressure Protection Device for the equipment and pipeline of the steam, ect. The working temperature with Carbon Material Type are less than 425ºC and with WC6 Material type are less than 500ºC and WC9 Material Type are less than 550ºC.
GA68SB High Temperature and High Pressure Safety Valve Material
|
NO
|
Parts
|
Cast Steell Material
|
WC6 Material
|
WC9 Material
|
|
1
|
Body
|
WCB
|
ZG1Cr5Mo
|
ZG15Cr1MoV
|
|
2
|
Seat
|
2Cr13
|
1Cr18Ni9Ti
|
12Cr1MoVA
|
|
3
|
Adjusting Ring
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
|
4
|
Disc
|
2Cr13
|
17-4PH
|
17-4PH
|
|
5
|
Guiding Sleeve
|
2Cr13
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
|
6
|
Heat Radiator
|
ZG230-450
|
ZG230-450
|
ZG230-450
|
|
7
|
Bonnet
|
ZG230-450
|
ZG230-450
|
ZG230-450
|
|
8
|
Spring
|
50CrVA
|
50CrVA
|
50CrVA
|
GA48SB High Temperature and High Pressure Safety Valve Dimension.
|
Model
|
DN
|
do
|
D
|
K
|
g
|
g1
|
b
|
f
|
f1
|
Z-φd
|
DN
|
D1
|
K1
|
g3
|
g2
|
b1
|
f
|
f1
|
Zr-φd1
|
L
|
L1
|
≈H
|
|
GAA48Y-16C
GAA48Y-16I
GAA48Y-16V
|
40
|
25
|
150
|
110
|
|
85
|
18
|
3
|
|
4-18
|
50
|
165
|
125
|
|
100
|
20
|
3
|
|
4-18
|
120
|
115
|
540
|
|
50
|
32
|
165
|
125
|
|
100
|
20
|
3
|
|
4-18
|
65
|
185
|
145
|
|
120
|
20
|
3
|
|
4-18
|
135
|
120
|
618
|
|
65
|
40
|
185
|
145
|
|
120
|
20
|
3
|
|
4-18
|
80
|
200
|
160
|
|
135
|
20
|
3
|
|
8-18
|
160
|
140
|
710
|
|
80
|
50
|
200
|
160
|
|
135
|
20
|
3
|
|
8-18
|
100
|
220
|
180
|
|
155
|
22
|
3
|
|
8-18
|
160
|
150
|
730
|
|
100
|
65
|
220
|
180
|
|
155
|
20
|
3
|
|
8-18
|
150
|
285
|
240
|
|
210
|
24
|
3
|
|
8-23
|
225
|
175
|
892
|
|
150
|
100
|
285
|
240
|
|
210
|
24
|
3
|
|
8-23
|
200
|
340
|
295
|
|
265
|
26
|
3
|
|
12-23
|
240
|
235
|
1135
|
|
200
|
125
|
340
|
295
|
|
165
|
26
|
3
|
|
12-23
|
250
|
405
|
355
|
|
320
|
30
|
3
|
|
12-26
|
290
|
210
|
1135
|
|
GAA48Y-40
GAA48Y-40I
GAA48Y-40V
|
25
|
16
|
115
|
85
|
58
|
65
|
16
|
2
|
4
|
4-14
|
32
|
140
|
100
|
|
78
|
18
|
2
|
|
4-18
|
110
|
95
|
429
|
|
32
|
20
|
140
|
100
|
66
|
78
|
18
|
2
|
4
|
4-18
|
40
|
150
|
110
|
|
85
|
18
|
3
|
|
4-18
|
115
|
100
|
421
|
|
40
|
25
|
150
|
110
|
76
|
85
|
18
|
3
|
4
|
4-18
|
50
|
165
|
125
|
|
100
|
20
|
3
|
|
4-18
|
120
|
115
|
540
|
|
50
|
32
|
165
|
125
|
88
|
100
|
20
|
3
|
4
|
4-18
|
65
|
165
|
145
|
|
120
|
20
|
3
|
|
4-18
|
135
|
120
|
618
|
|
65
|
40
|
185
|
145
|
110
|
120
|
22
|
3
|
4
|
8-18
|
80
|
200
|
160
|
|
135
|
20
|
3
|
|
8-18
|
160
|
140
|
710
|
|
80
|
50
|
200
|
160
|
121
|
135
|
22
|
3
|
4
|
8-18
|
100
|
220
|
180
|
|
155
|
22
|
3
|
|
8-18
|
160
|
150
|
730
|
|
100
|
65
|
235
|
190
|
150
|
160
|
24
|
3
|
4.5
|
8-23
|
150
|
285
|
240
|
|
210
|
24<%< p="">
|
