High Precision Pilot Operated Control Valve , 150 lb Pressure Pneumatic Control Valve - YS

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High Precision Pilot Operated Control Valve , 150 lb Pressure Pneumatic Control Valve

High Precision Pilot Operated Control Valve , 150 lb Pressure Pneumatic Control Valve

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Self-operated pressure single-seat control valve with pilot

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ZZZYP Series of Self-operated Pressure Control Valve With Pilot, there is no need for any ?external power source, only used fluid own energy to adjusted the valve opening automatically, The valve uses the regulating mechanism which has quick open flow characteristic of balanced single-seat valve, without packing and frictionless movable components internal, it makes fluid pressure stable, high precision adjusting, which could control micro pressure conditions and make sure safe and reliable sealing performance, arbitrary adjust of set value could be also achieved during operation. So it is widely used for the micro pressure automatic regulation sites of all kinds of fuel, half-finished petroleum of the industrial furnace burning system, oil tank stocking protective gas and heat treatment protective gas etc.

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Characteristic:

??? 1.It’s without any external driving energy, and low equipment cost;

2.Simple structure&small maintenance workload;

3.Pressure set point adjustment is convenient

4.Taking pressure from body,and pipeline installation is convenient;

5.Sensitive control&high control precision

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1.Main technical parameters?????? ?????????????????????????????????????????????????????Table 1

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DN(mm) | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 |
Rated flow coefficient Kv | 3.2 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 |
Rated travel L(mm) | 10 | 20 | 30 |
Actuator type(cm2) | 200 | 400 | 600 |
PN(MPa) | 1.6 |
Inherent flow characteristic | Quick opening |
Action type | Press to close (control outlet), press to open (control inlet) |
Structure type | Single seat |
Inherent?adjustable ratio R | 30 |
Regulation accuracy (%) | ±5 |
Reduction ratio | 500︰1 |
Medium temperature (℃) | Gas<120℃ |
Allowable leakage | Ⅵ,Zero leakage (soft sealing) |
Flange connection | PN1.6MPa according to HG/T20592-2009 RF,Raised surface |
Pressure regulating range (KPa) | 0.25~3,0.5~5,3~10,5~14,10~20,20~30 25~40,40~55,50~70,70~85,80~100 |
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2.Main technical parameters?????? KV≤7?????? ??????????????????????????????????????????Table 2

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DN(mm) | 15??? 20?? 25 |
Seat diameter dn(mm) | 20 |
Rated flow coefficient Kv | 0.2 | 0.32 | 0.5 | 0.8 | 1.2 | 2.0 | 3.2 | 7 |
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Note:1.Production can be according to customers’ special requirements;

? 2.Flange can be produced according to ANSI,JIS, etc.;?

? 3.When the flow is small the diameter stays unchanged; use valve throttling?device to achieve customers’ requirements.?

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Zhejiang yongsheng technology co.,ltd.

Address: Lushan Industrial Park,Fuyang,Hangzhou City,Zhejiang Province,China, Hangzhou, Zhejiang, China, 310000
Tel: 86-571-63168258
Zhejiang Yongsheng Instrumentation Co., Ltd has been officially changed to Zhejiang Yongsheng Technology Co., Ltd. since July 1st 2015 . It is a professional corporation specializing in developing and manufacturing instruments of industrial control valves. Our company is a state approved A Class manufacturer of pressure pipe components; National Support for High-tech Enterprise; State Torch Program Units; and is superior supplier of Sinopec, CNPC, CNOOC and other important national oil and chemical enterprise. Our company is located in Lushan Hi-tech Park - in the southern part of Hangzhou where with honor of Natural Heaven. The company is covered with more than 30,000 square meter area; we have two factories: one with an annual output of 5000 tons of resin sand cast and another produces 20,000 sets of valves. We have more than 300 senior and middle-class technicians. Our company has many patent products including: new type of intelligent control valve, three eccentric butterfly valve, 鈥淰鈥?ball valve, pneumatic Y鈥搕rap valve and pipe regulating device etc. We have fully realized a stream line from valve body casting, machining, testing, and packing for self regulating valve series, linear-motion regulating valve series, rotary-motion regulating valve series, intelligent control valve series, and we have turned into one of the most advanced control valve R&D, and manufacturing base in China.

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