Hydraulic check valve is widely used for return pipe in constant pressure boiler. It can utilize its own pressure change to control valve. It can avoid overflow caused by outage or other reasons, replacing of expensive electromagnetic control system.
Parameter
|
Model |
PN |
Working Pressure/MPa |
Applicable Temperature/℃ |
Applicable Medium |
|
H7B41X-16 |
16MPa |
1.6 |
≤70 |
Water, oil |
|
H7B41X-16C |
16MPa |
1.6 |
≤425 |
Water, oil |
Materials
|
Model |
Materials |
||
|
Body/bonnet |
Stem/disc/base |
Spring |
|
|
H7B41X-16 |
Grey cast iron |
2Cr13 |
50CrVA |
|
H7B41X-16C |
WCB |
||
Dimensions
|
DN |
L |
D |
D1 |
D2 |
b |
z0000d |
H |
H1 |
Weight/kg |
|
40 |
220 |
150 |
110 |
88 |
18 |
4000017.5 |
175 |
115 |
28 |
|
50 |
250 |
165 |
125 |
102 |
20 |
4000017.5 |
175 |
115 |
28 |
|
65 |
280 |
185 |
145 |
122 |
20 |
4000017.5 |
195 |
135 |
34 |
|
80 |
310 |
200 |
160 |
133 |
20 |
8000017.5 |
215 |
155 |
40 |
|
100 |
350 |
220 |
180 |
158 |
24 |
8000017.5 |
215 |
155 |
49 |
|
125 |
400 |
250 |
210 |
184 |
24 |
8000017.5 |
240 |
170 |
78 |
|
150 |
450 |
285 |
240 |
212 |
26 |
8000022 |
240 |
170 |
111 |
|
200 |
500 |
340 |
295 |
268 |
26 |
12000022 |
280 |
190 |
155 |
Source: https://www.chinavalvesflange.com/hydraulic-check-valve.html