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ZYYP Type Self-pressure regulating valve without external energy sources, the use of the medium itself was transferred energy as the power source to introduce the position of the actuator control valve, pressure and flow changes at both ends of the front valve (valve or after) the pressure is stable. A sensitive, good sealing, the pressure set point wave power is small, it is widely used in gas, liquid and steam medium vacuum regulator or pressure relief regulator automatic control.
This series of products are single-seat (ZZYP), sleeve (ZZYM), bis (ZZYN), three structures; IA with film, piston two kinds; action types are reduced after the pressure regulator valve (B type) and pressure relief valve before the pressure regulator (K type). Nominal grade products have PN16,40,64; body diameter range of DN20 ~ 300; leakage levels have Class II, IV and VI grade level third gear; quick opening flow characteristics; pressure segment is adjustable from 15 ~ 2500Kpa. Users may need to be combined to meet the conditions required.
Nominal diameter DN(mm) |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
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Rated flow coefficient (KV) |
7 |
11 |
20 |
30 |
48 |
75 |
120 |
190 |
300 |
480 |
760 |
1100 |
1750 |
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Rated travel(mm) |
8 |
10 |
14 |
20 |
25 |
40 |
50 |
60 |
70 |
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Nominal PN(Mpa) |
1.6,4.0,6.4 |
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Pressure adjustment range (MP a) |
15~50 40~80 60~100 80~140 120~180 160~220 200~260 |
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Flow characteristics (℃) |
Quick Opening |
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Regulation accuracy(%) |
±5 |
|||||||||||||||||||||
Operating temperature(℃) |
≤350 |
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Allowable leakage |
Hard seal(1/h) |
Single seat:≤10 4Valve rated capacity(IV grade);Two-seater, the sleeve:≤5×10 3Valve rated capacity(II level) |
||||||||||||||||||||
Soft sealing (m1/h) |
0.15 |
0.30 |
0.45 |
0.60 |
0.90 |
1.7 |
4.0 |
6.75 |
11.10 |
16.0 |
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Reduction ratio |
Maximum |
10 |
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Least |
1.25 |
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Established in 2012,Hangzhou Niuzhuo Valves Industrial Co., LTD. is a manufacturer and exporter that is concerned with the design, development and production of valves.
HZNZ is located in Hangzhou, with convenient transportation axxess.Covering an area of 13000 square meters, HZNZ now have about 100 employees, an annual sales figure that exceeds USD 7.7 million and are currently exporting 22% of our production worldwide.
All of our products comply with international quality standards and are greatly appreciated in a variety of diffrent markets throughout the world.
As a result of our high quality products and outstanding customer service, we have gained a global sales network reaching Korea , Thailand, Malaysia,Mid East and more.
If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.
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