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Check valve
Product features：
This series valve is properly closed, due to the pressure of the inlet medium in the pipeline, and to overcome the spring resistance makes the valve opens. When the inlet pressure of medium below the outlet, the spring into the valve core seat and make the valve closed, stop medium counter-current, start-stop function back. This valve with spring support valve core, the vertical or horizontal installation is adopted.
The main performance specification:
|
Model |
PN(Mpa)
|
SP(Mpa) |
Suitable
temperature
(℃)
|
Applicable medium |
|
|
Shell |
Sealing |
||||
|
H42W-25P |
2.5 |
3.8 |
2.8 |
≤200 |
Nitrate class |
|
H42W-25R |
Acetic acid class |
||||
|
H42W-40P |
4.0 |
6.0 |
4.4 |
Water, oil |
|
|
H42W-40R |
|||||
|
H42Y-40 |
|||||
H42W vertical check valve main shape size and the connection size (MM) :
|
Model |
DN(mm)
|
Size(mm) |
||||||||
|
L |
D |
D1 |
D2 |
b |
f |
Z-Φ |
||||
|
1 |
2 |
3 |
||||||||
|
H42W-25P H42W-25R |
15 |
- |
85 |
85 |
95 |
65 |
45 |
16 |
- |
4-Φ14 |
|
20 |
- |
95 |
95 |
105 |
75 |
55 |
16 |
- |
4-Φ14 |
|
|
25 |
- |
100 |
105 |
115 |
85 |
65 |
16 |
- |
4-Φ14 |
|
|
32 |
- |
105 |
150 |
135 |
100 |
78 |
16 |
- |
4-Φ14 |
|
|
40 |
- |
115 |
160 |
145 |
110 |
88 |
18 |
- |
4-Φ14 |
|
|
50 |
140 |
125 |
170 |
160 |
125 |
100 |
20 |
3 |
4-Φ14 |
|
|
65 |
160 |
145 |
180 |
180 |
145 |
120 |
22 |
3 |
8-Φ18 |
|
|
80 |
185 |
155 |
200 |
195 |
160 |
135 |
22 |
3 |
8-Φ18 |
|
|
100 |
210 |
210 |
210 |
230 |
190 |
160 |
24 |
3 |
8-Φ23 |
|
|
125 |
- |
275 |
275 |
275 |
220 |
188 |
28 |
3 |
8-Φ25 |
|
|
150 |
300 |
225 |
300 |
300 |
250 |
218 |
30 |
3 |
8-Φ25 |
|
|
200 |
380 |
380 |
380 |
360 |
310 |
278 |
34 |
3 |
12-Φ25 |
|
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