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Our products are exported worldwide, enjoying a fantastic reputation amongst customers for poppet check valve, adjustable check valve, 8 wafer check valve .Our company adopts new technology to make duo check valve better quality, lower cost and more stable production capacity in the process of production and processing. In order to maintain the sustainable development of the company, the company pays attention to the cultivation of talents, moral education and technical training of employees. Our company implements market-oriented, information development, talent development, scientific and technological development, and pursues higher enterprise value and higher social effect. We firmly grasp the strategic adjustment, brand resource integration, network resource integration, deepen human resource management, and integrate the development of corporate culture. With the enterprising spirit of' high efficiency, convenience, practicality and innovation', and in line with such serving guidance of 'good quality but better price, ' and 'global credit', we've been striving to cooperate with the automobile parts companies all over the world to make a win-win partnership. Our company has a number of capable employees, who can provide you with high quality service and satisfactory products. We insist on improving the after-sales concept, shorten the service cycle, and help customers save costs and provide customers with convenient services on the basis of ensuring brand quality! Quality is the key to our success. Our company attaches great importance to infrastructure construction and quality management.
  • Flange Dual Plate Check Valve
    Flange Dual Plate Check Valve

    GZP dual -plate check valves are manufactured to the latest edition of API 594/API 6Dand tested to API 598.

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  • Axial Flow (non-slam) Check Valve
    Axial Flow (non-slam) Check Valve

    GZP nozzle check valves are used in applications where the reverse flow of a liquid or gaseous fluid must be avoided.

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  • Wafer Lift Check Valve
    Wafer Lift Check Valve

    GZP WAFER LIFT CHECK valves are manufactured to the latest edition of API602, BS5352 and ASME B16.34. And tested to API 598.

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  • Single Plate Wafer Check Valve
    Single Plate Wafer Check Valve

    GZP single -plate wafer check valves are manufactured to the latest edition of API 594/API 6D and tested to API 598.All valves from GZP VALVE are strictly 100% tested before shipment to guarantee

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  • Swing Check Valve
    Swing Check Valve

    Swing check valves have many uses, from sewage systems and wastewater treatment to firefighting, power plants, and various household items. One of the most commonly known examples of this valve type

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  • Stainless Steel Swing Check Valve
    Stainless Steel Swing Check Valve

    Stainless Steel swing check valve is used mostly in the water flow systems. The check valves or tilt disc valves are useful for backflow prevention. ... The valves have a check disk inside them that

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  • Carbon Steel Swing Check Valve
    Carbon Steel Swing Check Valve

    Carbon Steel Swing Check Valves are widely specified by engineers and operating personnel. They are well-proportioned and sturdily constructed, and they provide the ideal solution wherever check

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  • API Swing Check Valve
    API Swing Check Valve

    GZP Swing check valves are manufactured to the latest edition of API 600/ASME B 16.34 and tested to API 598.All valves from GZP VALVE are strictly 100%tested before shipment to guarantee zero leakage.

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  • Wafer Dual Plate Check Valve
    Wafer Dual Plate Check Valve

    GZP dual -plate check valves are manufactured to the latest edition of API 594/API 6D and tested to API 598.All valves from GZP VALVE are strictly 100%tested before shipment to guarantee zero leakage.

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  • LUG Dual Plate Check Valve
    LUG Dual Plate Check Valve

    Dual-plate Check Valve is also called reflux valve, backpressure valve and one way valve. This type of valves is opened and closed by the force of the flow of media through the pipe.

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  • Threaded Forged Check Valve
    Threaded Forged Check Valve

    Forged valves are great for high-temperature, high-pressure applications, they cannot be made in all kinds of shapes and sizes.

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  • A105N Forged Lift Check Valve
    A105N Forged Lift Check Valve

    GZP Forged steel LIFT CHECK valves are manufactured to the latest edition of API602, BS5352 and ASME B16.34. And tested to API 598.

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The items are good and exactly what I want.
Installation and Operation Manual...

3. Stainless Steel or Bronze valves need only to be wiped clean and installed. 4. In horizontal flow installation, the hinge pin must be vertical. 5. Insert the valve between two companion flanges of...

What Are Duo Check Valves? – Homer Marrs...

May 14, 2019 · Both of the check valves are supposed to be stopping the backward flow of the liquid or the gases whatever is being flowed through it. Both of the check valves might look the same too...

Duo-Chek High Performance Check Valves - AIV Inc...

Duo-Chek high performance non-slam check valves are the original Mission wafer check valves introduced to the market in the late 50's. They are available in the sizes, pressure classes and...

Duo Check Valve | Valveco...

DUO CHK,DI/BRZ,DIN PN16,WAFER,NB,50MM. Valveco code: CHJDB02D3.001 Categories: Check & Storm Valves, Duo Check Valve CHJ-DB-F1...

Duo-Chek II Valves Duo-Chek II – The High Performance …...

The Duo-Chek II wafer valve design is generally stronger, lighter, smaller, more efficient and less expensive than conventional swing check valves. Its design meets API 594 which is approximately one...

Dual-plate check valves - Velan...

Product line: Dual-plate check valves (Proquip) Size range (s) NPS 2 - 60. (DN 50 - 1500) Pressure rating. ASME Classes. 150 - 2500. Standard connections. Wafer....

Management creates value, service enhances advantages is the development philosophy of our company. Unity, innovation, pragmatism and progress are the unswerving pursuit of the company. The company cherishes every glories and adheres to the business tenet of prospering with quality, and winning with excellence, and constantly contributes excellent forged valve alliance, piping check valve, globe valve four way valve to the society! As one of the leading duo check valve manufacturers and suppliers in China, we warmly welcome you to buy durable duo check valve in stock here from our factory. All valves made in China are with high quality and low price. Contact us for more details.

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