We will continue to be responsible for our products, markets, channels and customers, as well as launching new series of one way check valve, hydraulic pilot operated check valve, flexi hinge check valve . We continue to improve our core competitiveness in the process of operation, and the company has established and forged an elite team in the hydraulic check valve industry. In order to improve the overall quality of employees, a comprehensive and systematic training system has been set up in our company. Corporate image is the external expression of the enterprise, is the most intuitive, the most image of the external performance. At present, we have formed several leading industries with outstanding competitive advantages and leading positions, and become a strong technical support force in our fields. In order to ensure the quality and comprehensive competitiveness of our products, we have introduced high-level technical personnel and well-trained employees, and have made improvements in terms of quality, price, delivery time, and service. Due to our company's effective control and management of the entire production line, our company has the ability to maintain stable product quality.
  • 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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  • 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 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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  • 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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  • 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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  • High Pressure Wafer Check Valve
    In pipelines for water supply, heating or chemical fluid transportation, the most annoying thing is medium backflow—it may affect the flow at best, or damage the pump at worst. This wafer lift...
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  • 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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  • 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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  • API High Pressure Check Valve
    Bosses handling foreign trade projects or undertaking European and American standard production lines all know that check valves must not only prevent backflow but also comply with API standards....
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  • API Cryogenic Check Valve
    Friends engaged in low-temperature storage, liquefied natural gas (LNG) and other related work all know that when the medium reaches minus tens or even hundreds of degrees Celsius, ordinary valves...
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  • Stainless Steel Tilting Disc Check Valve
    Masters in pipeline maintenance all know that fluid backflow is a big trouble—it may affect the process at best, or damage equipment at worst. This tilting disc check valve from Zhengmao Valve is...
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The workmanship of these products is very good!
4 Types of Hydraulic Valves & Their Working Principles...

Sep 05, 2021 · See All Check Valve for Sale. Hydraulic Four-Way Valves. Four-way directional-control valves are installed to manage the direction of fluid flow in a hydraulic line, which...

Check Valves - Summit Hydraulics...

Double Pilot Operated Hydraulic Check Valve, ½” NPT Ports, 11 GPM. MSRP: $ 99.95. $ 74.95. Buy in monthly payments with Affirm on orders over $50. Learn more. Check Valves. Hydraulic In-Line Check...

Check Valves for Hydraulic Fluid | McMaster-Carr...

Also known as check valves, these open to allow flow in one direction and close when flow stops or reverses. Valves with a poppet have internal components that can handle any flow rates....

Hydraulic Valves | Parker NA...

We manufacture all types of hydraulic valves: from directional control valves to pressure control, flow control, shuttle, sequence, high pressure non-return and ball valves, from monoblock and...

Check Valves - Hydraulic Valves & Accessories - Hydraulic Power ......

DS8P1 & DT8P1 Series Inline Check Valves, Up To 3000 PSI & 50 GPM. View Product Line. Quick View. Frequent Buys. Add to Compare....

Models | Sun Hydraulics...

Sun Hydraulics check valves feature high flow capacity relative to a small physical size. Available with free flow from port 1 to port 2 or port 2 to port 1 Available in three-port versions with port...

In the past few years, we have cooperated with major domestic y swing check valve, fep lined butterfly valve manufacturers as well as state-owned enterprises, private enterprises and other end customers, and have been well received. We're known as one of the most professional hydraulic check valve manufacturers and suppliers in China. With over 30 years' experience, we warmly welcome you to wholesale high quality hydraulic check valve made in China here from our factory. Contact us for more details.
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