Overview of ZMHN-16 type direct acting pressure regulating valve:
ZMHN-16 type direct acting pressure regulating valve is composed of lever heavy hammer type diaphragm actuator and regulating valve mechanism. The post-valve type is used to keep the pressure in the pipeline behind the control valve at a constant value, and the adjustment signal is obtained from the pipeline behind the valve; the front-valve type is used to control the pressure in the pipeline in front of the valve to a constant value, and the adjustment signal is obtained from the pipeline in front of the valve. Obtained, because the direct acting pressure regulating valve has the advantages of simple structure, reliable action, convenient maintenance, fireproof and explosion-proof, it is widely used in the automatic adjustment of chemical, petroleum, metallurgy, electric power, papermaking, light textile and other industrial production processes.
Main technical parameters:
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Main technical parameters and performance indicators |
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Nominal diameter (mm) |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
|
Rated Traffic Coefficient (Kv) |
12 |
16 |
25 |
40 |
63 |
100 |
160 |
250 |
400 |
630 |
|
Traffic characteristics |
open quickly |
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Nominal pressure PN (MPa) |
1.6，40 |
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Stroke L(mm) |
4 |
7 |
10 |
13 |
19 |
28 |
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Mode of action |
valve front type, valve post type |
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Applicable temperature (℃) |
-20~220℃ |
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amount of leakage |
10-3× rated capacity of the valve |
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Set value deviation |
±12% |
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Performance parameters:
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Adjusted pressure adjustment range |
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Pressure adjustment range (100KPA) |
membrane Device type |
Capacitance sensor outer diameter φ (mm) |
Heavy hammer weight (KG) |
|
0.15-0.65 |
4 |
375 |
12 |
|
0.65-0.85 |
17 |
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0.85-1.0 |
21 |
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|
1.0-2.0 |
2 |
225 |
8 |
|
2.0-2.5 |
11 |
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2.5-3.5 |
18 |
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3.5-5.0 |
30 |
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5.0-8.0 |
2 |
185 |
17 |
|
8.0-9.5 |
21 |
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9.5-13 |
30 |
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External dimensions:
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External dimensions |
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|
Nominal diameter |
φA |
H |
H1 |
H2 |
L |
|
25 |
185 |
727 |
117 |
297 |
185 |
|
32 |
733 |
120 |
303 |
200 |
|
|
40 |
772 |
139 |
342 |
220 |
|
|
50 |
225 |
782 |
144 |
352 |
250 |
|
65 |
877 |
188 |
447 |
275 |
|
|
80 |
375 |
907 |
208 |
477 |
300 |
|
100 |
931 |
220 |
501 |
350 |
|
|
125 |
1034 |
270 |
604 |
3410 |
|
|
150 |
1059 |
280 |
629 |
450 |
|
|
200 |
1134 |
300 |
704 |
550 |
|
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