We have more than ten years of production history of one way check valve, double detector check valve, chemical resistant check valve , strong technical force, advanced technology and equipment, and perfect testing methods. Facing the new situation of accelerated change and intensified competition in the pilot controlled check valve industry, we unswervingly promote transformation and upgrading, put quality and efficiency first, promote transformation with structure, upgrade with reform, promote development with innovation, and make every effort to improve the quality of operation. At our core, we are dedicated to creating value for our clients and partners through innovative products, exceptional service, and a relentless drive for excellence. After years of development, a good industrial foundation for the development of our company has accumulated momentum. High starting point, strict requirements, quality, promotion, first-class. These are our company slogans. We have actually fulfilled these requirements, so we can become a leading company in the industry. In the severe business environment, our company has made concerted efforts to achieve cost reduction and maintain the original profit structure. After 13 years of researching and developing products, our brand can represent wide range of products with outstanding quality in world market.
  • Large Bore Wafer Check Valve
    Masters engaged in pipeline maintenance all know that the most feared thing is medium backflow—it may affect the flow rate at best, or damage the pump body at worst. This wafer dual-disc check...
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  • API Swing Check Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: NPS 1/2 "to NPS 36"
    ③ Pressure range:...
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  • Pressure-Seal Bonnet Check Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: NPS 2 "to NPS 24"
    ③ Pressure range: CL900~CL2500
    ④...
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  • GB Swing Check Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: DN25 to DN900
    ③ Pressure range: 1.0MPa~16.0MPa
    ④...
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  • GB Lift Check Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: DN15 to DN400
    ③ Pressure range: 1.0MPa~10.0MPa
    ④...
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  • Vertical Check Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: DN15 to DN400
    ③ Pressure range: 1.0MPa~16.0MPa
    ④ Operating...
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  • Wafer Check Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: DN15 to DN250
    ③ Pressure range: 1.0MPa~16.0MPa
    ④...
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  • Wafer Dual Pate Swing Check Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: DN50 to DN1000
    ③ Pressure range: 1.0MPa~16.0MPa
    ④...
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  • Axial Flow Check Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: DN15 to DN900
    ③ Pressure range: 1.0MPa~16.0MPa
    ④ Operating temperature:...
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  • Tilting Disc Check Valve
    ① Main material: Carbon steel, stainless steel, alloy steel
    ② Nominal diameter: NPS2 "to 24", DN50 to DN600
    ③ Pressure range: Class 150 to Class 600,0.6 MPa to 10.0...
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  • Forged Steel High-Pressure Vertical Check Valve
    Masters in pipeline maintenance all know that fluid backflow is a big trouble—it may affect the flow rate at best, or damage the pump at worst. This vertical check valve from Zhengmao Valve is...
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  • Slow-Closing Check Valve With Micro Regulation
    Masters in pipeline maintenance all know that the biggest fear is medium backflow—at best, it damages equipment; at worst, it shuts down production for repairs. This hammer check valve from...
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Bernadette Osorio star star star star star
The effect of this product at night exceeded my expectations and was clear. Its functions meet the needs of households at the same time, and the operation is also very simple, which is very suitable
Adam Duong star star star star star
It means a lot to us that this vendor provides us with all the products, services, and support we need for our business.
John Green star star star star star
The quality of the items and the price/performance ratio are very good, and there are also designers who make products until they are satisfied. Their shipment and arrival are also fast.
Sidney Free star star star star star
This is an excellent and innovative company that provides us with a wide variety of products and services. Their patience, professionalism, and creativity made this collaboration very enjoyable and
Martha McDonald star star star star star
You always uphold this principle of quality first, and you are able to correct even the smallest errors in a timely manner.
Joan Gamez star star star star star
You have a reasonable price but the product quality never cuts corners, and you always keep pace with the times, design the most trendy products, and it is our honor to cooperate with you!
Vickers Check Valves Pilot Operated Check Valves - Eaton...

WebThese pilot operated check valves operate as a direct check valve but can also be opened by pilot pressure, on the control piston, to permit free reverse flow. The amount of pilot pressure...

What is Pilot Operated Check Valve? Working, Types & Diagram...

WebMar 26, 2022 · Figure (2): 2C Check Valve. The main difference between these valves and a basic check valve is that they use pilot pressure to open valves permanently. In a 4C...

PILOT OPERATED CHECK VALVES - Bosch Rexroth...

WebPILOT OPERATED CHECK VALVES They are non-modulating valves which allow free flow through the check valve into the actuator (V2 to C2) and then block the reverse flow until...

Pilot Valves | Parker NA...

WebParker offers a large collection of pilot-operated (PO) check valves, which are check valves that can be opened by an external pilot pressure. There are two types of pilot operated...

How Do Pilot-Operated Check Valves Work? - Clippard...

WebCategory: Videos How Do Pilot-Operated Check Valves Work? Pilot operated check valves work by allowing free flow from the inlet port through the outlet port. Supplying a pilot...

What is Pilot Valve? Working Principle & Types (Complete Guide)...

WebOct 28, 2022 · Working Principle & Types – A pilot valve is a tiny valve that regulates the flow of a restricted-flow control feed to another piloted valve. This separate valve is...

As a manufacturer focused on one way check valve, y check valve , we have always been committed to providing our customers with leading technology and top quality products. We're known as one of the most professional pilot controlled check valve manufacturers and suppliers in China. With over 30 years' experience, we warmly welcome you to wholesale high quality pilot controlled check valve made in China here from our factory. Contact us for more details.
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