Self-operated pressure reducing valve
USD $30 - $1,500 /Set
Min.Order:1 Set
Hangzhou Niuzhuo Valves Industrial Co., Ltd.
Introduction
ZZY series self-operated pressure control valve does not need external power supply ,regulate pressure differential and flow by media energy to ensure atability of upstream pressure or downstream pressure.Widely used to regulate pressure of gas,fluid or steam automatically,with quick action, good sealing and stability advantages.
ZZY series self-operated pressure control valve includes single-seat type,double-seat type and sleeve type.Diaphragm type and piston type for actuator.
Acting mode:K type:decompression(upstream control)
B type:pressure reducing(downstream control)
Self-operated pressure reducing valve parameters
DN(mm) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | ||||||||||
KV | 7 | 11 | 20 | 30 | 48 | 75 | 120 | 190 | 300 | 480 | 760 | 1100 | 1750 | ||||||||||
Rated travel(mm) | 8 | 10 | 14 | 20 | 25 | 40 | 50 | 60 | 70 | ||||||||||||||
PN (Mpa) | 1.6,4.0,6.4 | ||||||||||||||||||||||
KPA(MP a) | 15~50 40~80 60~100 80~140 120~180 160~220 200~260 | ||||||||||||||||||||||
Upstream pressure:downstream pressure | 10:1~10:8 | ||||||||||||||||||||||
Flow characteristic(℃) | Quick-open | ||||||||||||||||||||||
Regulation precision(%) | ±5 | ||||||||||||||||||||||
Working temp(℃) | ≤350 | ||||||||||||||||||||||
Allowable leakage | Hard sealing(1/h) | Single-seat:≤10-4*rated capacity;double-seat,sleeve type≤5× 10-3*rated capacity | |||||||||||||||||||||
Soft sealing (m1/h) | 0.15 | 0.30 | 0.45 | 0.60 | 0.90 | 1.7 | 4.0 | 6.75 | 11.10 | 16.0 | |||||||||||||
Pressure reducing ratio | Max | 10 | |||||||||||||||||||||
Min | 1.25 |
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.