Factory Price Ductile iron pressure reduce valve ( PRV) for water

   Ductile iron pressure reduce valve ( PRV) for water  Description: 200X water pressure reducing regulator valve is a kind of functional valve which regulates and control pressure of pipelines by media own energy. It is used for water supply systems such as living, fire control and Other industrial water supply systems. Outlet pressure of main valve could be adjusted by adjusting pressure reducing pilot valve. The outlet pressure will not change along with change of inlet pressure or inlet flow and maintain the outlet pressure at the preset value stably. And the outlet pressure value could be regulated, if necessary. This valve has the following 5 advantages: precise pressure reducing, reliable performance, safety, easy maintenance and long service life.   Detailed information:
1) DN20-800mm 2) End connection: flanged 3) Actuator: handle, air operated, power driven, hydraulic control 4) Working pressure: 1.0 ~ 2.5Mpa   Features:  1. safety precise  2. easy maintenance 3. pressure reducing 4. reliable performance 5. long service life.   Structural characteristics and applications: 200X water pressure reducing regulator valve is made up of main valve, pilot valve, needle valve, ball valve, micro filter and pressure gauge. After setting outlet pressure, it could keep the stable pressure automatically. It uses pilot valve own power to regulate outlet pressure, other device and energy not required. It is good in precise pressure control and hardly affected by pressure and flow at inlet, reliable in pressure reducing and maintaining.  This series of valve is widely applied into water supply pipelines of high-rise buildings and living quarters and city water supply engineering.   Working principle: When water comes from the inlet end, it first flows into the main valve control chamber through needle valve and the outlet pressure acting on pilot valve through guide pipe. When the outlet pressure value is higher than the preset value of pilot valve spring, pilot valve will close and the control chamber stops water drainage and thus internal pressure of the main chamber rises and main valve is closed at this time, then the outlet pressure will not increase.     When the outlet pressure drops to the preset value, pilot valve opens and the control chamber drains downstream. As the pilot valve discharge capacity is larger than water inflow of the needle valve, the pressure of main valve control chamber begins to decrease and the inlet pressure makes the main valve open. In a stable state, the water inflow equals to the discharge volume and thus opening of main valve remains unchanged and outlet pressure keeps stable.     Outlet pressure could be preset by adjusting the spring of pilot valve.   Technical parameters:    Part materials:   Structural drawing: Design dimensions:     Our company advantages: 1. We Are Factory: Our factory address is at Industrial Park, Xichuan County, Nanyang, Hena, China. 2. Regional Sales: We provide specialized sales service refers to different kind of region all over the world. 3. Low MOQ: Our factory owns the casting company by itself. We are always ready for providing the sample and producing some small orders, in order to meet the business requirements well. 4. OEM Accepted: We can make the products with the client's demand standard or the custom requirement. 5. Complete Service: We are always ready to hear from you, be responding to your enquiry immediately. Our trade manager is always online for you. 6. Good Quality: We have strict quality control system and amounts of testing equipments for different kind of valve, such as size, pressure, working environment etc. We are winning the market reputation with time going by. 7. Quick Delivery: We have the large stock for some hot products. 8. Competitive Prices: We are the manufacturing company which not only has our own manufacturing workshop, but also casting company as well. We provide the straight factory price and service to our customer.   More products for your choice:   Our producing process: Packaging photo:   Our certificates: Our Patents:     Our company brief introduction:   Zhongfang Valve Xichuan Manufacturing Co., Ltd. is located in the industrial park of Xichuan country, China, which was founded in year 2003, covering an area of 38,000m2. It is a comprehensive supplier, specialized in designing, developing, manufacturing and selling of valve and casting & selling of lost foam. Our company has the advanced technology, superior equipments and acquires 14 national patents successively. Our main products are flywheel shell of cars, tri-eccentric metal hard-sealed butterfly valve, HTHP butterfly valve, air ventilation valve, check valve, soft-sealed sluice valve, ball valve, various kinds of expansion joints, stainless winding gasket, etc.. Our valves have the advantages of high-temperature & high-pressure resistance, anti-medium scouring, wear self-compensation, fire resistance and health & reliability, etc. They are widely applied into many industries, such as car manufacturing, water supply, petrochemical industry, power supply. And we have passed the TS verification and casting admission and we had passed the integration verification of ISO9000, ISO14000 and OHSAS18000 in year 2011 successfully.   Our company:          Pursuing quality and advocating integrity,  customers’ interests highest!!!    

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