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Classification：Relief valve
Trade names：
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| Pole relief valve of horizontal bar |
| Classification of the products: Series of the relief valve |
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The detailed materials of the products:
GA41H-16C/25/40 A51H-16C/25/40
GA41H, Model A51H relief valve are suitable for temperature 450 degrees Centigrade boilers of ≤ and pressure container, prevent the pressure from exceeding and allowing supreme value. The medium is steam , air .
The main spare part material explaining
Except that the lever (material is the carbon steel ) of GA41H , Model A51H relief valve , heavy hammer (material is the casting iron), other materials are the same as the spring type relief valve of the Model A41H-16C . |
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External dimension and size of connecting
|
Nominal and open directly |
Size |
|
do |
L |
L1 |
D |
K |
g1 |
f |
b |
z-ød |
DN' |
D1 |
K1 |
g2 |
b1 |
f' |
z-ød1 |
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25 |
20 |
100 |
85 |
115 |
85 |
65 |
2 |
16 |
4-14 |
25 |
115 |
85 |
65 |
16 |
2 |
4-14 |
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32 |
25 |
115 |
100 |
140 |
100 |
78 |
2 |
18 |
4-18 |
32 |
140 |
100 |
78 |
18 |
2 |
4-18 |
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40 |
32 |
120 |
110 |
150 |
110 |
85 |
3 |
18 |
4-18 |
40 |
150 |
110 |
85 |
18 |
3 |
4-18 |
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50 |
40 |
135 |
120 |
165 |
125 |
100 |
3 |
20 |
4-18 |
50 |
165 |
125 |
100 |
20 |
3 |
4-18 |
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80 |
65 |
160 |
135 |
200 |
160 |
135 |
3 |
20 |
8-18 |
80 |
200 |
160 |
135 |
20 |
3 |
8-18 |
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100 |
80 |
170 |
160 |
220 |
180 |
155 |
3 |
22 |
8-18 |
100 |
220 |
180 |
155 |
22 |
3 |
8-18 |
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150 |
125 |
205 |
195 |
285 |
240 |
210 |
3 |
24 |
8-23 |
150 |
285 |
240 |
210 |
24 |
3 |
8-23 |
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200 |
150 |
240 |
230 |
340 |
295 |
265 |
3 |
26 |
12-23 |
200 |
340 |
295 |
265 |
26 |
3 |
12-23 |
Note: PN2.5, PN4.0MPa size consult the measurement form of the Model A41H-25/40. |
GA42H-16C/25/40 GA42H-100
The relief valves of the Model GA42H are suitable for temperature 450 degrees Centigrade boilers of hydropower station of ≤ and pressure container, preventing the pressure from exceeding and allowing supreme value, the medium is steam , air . |
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Main spare part material
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NO. |
Part name |
Material |
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1 |
The valve has body |
Carbon steel |
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2 |
Lead set |
Stainless steel |
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3 |
Valve one |
2Cr13 |
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4 |
Valve stem |
2Cr13 |
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5 |
Lever |
Carbon steel |
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6 |
Heavy hammer |
Casting iron |
External dimension and size of connecting
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Type |
Nominal and open directly |
Size |
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do-z |
D |
D1 |
D2 |
D6 |
f |
f1 |
b |
Z-ød |
L |
H |
Flange exporting to type |
The export bears the inserting type |
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DN' |
D2' |
D1' |
D' |
n-M |
d1 |
K2 |
K3 |
D3 |
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GA42H-16 |
50 |
40* 1 |
165 |
125 |
100 |
/ |
3 |
/ |
16 |
4-18 |
840 |
412 |
125 |
175 |
200 |
235 |
8-M16 |
120 |
145 |
162 |
190 |
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GA42H-25 |
50 |
40* 1 |
165 |
125 |
100 |
/ |
3 |
/ |
20 |
4-18 |
840 |
412 |
125 |
175 |
200 |
235 |
8-M16 |
120 |
145 |
162 |
190 |
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GA42H-40 |
50 |
40* 1 |
165 |
125 |
100 |
88 |
3 |
4 |
20 |
4-18 |
840 |
412 |
125 |
175 |
200 |
235 |
8-M16 |
120 |
145 |
162 |
190 |
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GA42H-64 |
50 |
40* 1 |
175 |
135 |
105 |
88 |
3 |
4 |
26 |
4-23 |
840 |
420 |
125 |
175 |
200 |
235 |
8-M16 |
120 |
145 |
162 |
190 |
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GA42H-100 |
50 |
40* 1 |
195 |
145 |
112 |
88 |
3 |
4 |
28 |
4-25 |
840 |
420 |
125 |
175 |
200 |
235 |
8-M16 |
120 |
145 |
162 |
190 |
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