In the full way gate valve, threaded gate valve, pneumatic actuated gate valve industry, the company has always been at the forefront of the high-tech industry, leading the development trend of product technology in the industry. The company is a large-scale group with drainage flap gate as the main line, multi-functional and full coverage of domestic and foreign market channels and certain industrial chain integration capabilities. Moreover, we ensure that all products are monitored and tested at every stage of the production process, and all finished products undergo final inspection before packaging. Based on the new management concept, we will use core technology to create new value for the sustainable development of society. In terms of product quality, product delivery period and after-sales service, we have won the full recognition of customers, and we have gradually become a long-term strategic partner of many customers. After the product is assembled, the quality department will check to ensure that all products can meet the requirements and meet the specific quality standards. Facing the future, we are full of confidence. We will always keep in mind the corporate tenet of "based on honesty, innovation, honesty and trustworthiness, and win-win cooperation". We are willing to work with friends from all walks of life to create a new, healthy and excellent environment, and build a beautiful and warm home. Chapter. In the process of development and growth, the company adheres to the corporate policy of survival by product quality, technological progress for development, product performance for superiority, high efficiency and low consumption as the criterion, and high-quality service for reputation.
  • Chain-Actuated Knife Gate Valve
    Bosses in sewage treatment, building material powder and other industries all know that valves are most afraid of clogging and jamming—once they break down, the entire production line has to stop....
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  • API Gate Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: NPS 1/2 "to NPS 36"
    ③ Pressure range: CL150 to CL1500
    ④ Operating...
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  • API Pressure Seal Gate 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 Gate Valve
    ① Main material: carbon steel, stainless steel, alloy steel
    ② Nominal diameter: DN15 to DN1000
    ③ Pressure range: 1.0MPa~16.0MPa
    ④...
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  • Flat Gate Valve
    Main Dimensions Data PN4.0MPa PN5.0MPa(Class300) Main connection dimension PN4.0MPa PN5.0MPa(Class300) PN6.4MPa
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  • API Titanium Gate Valve
    Friends who do foreign trade or work on projects with European and American standards know that the biggest worries when choosing a gate valve are "non-compliance with standards and inability to...
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  • Large Bore Electric Gate Valve
    Friends in engineering or production management all know that when it comes to controlling large-flow, high-pressure media in pipelines, you need to choose a valve that’s "tough and precise". Our...
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  • Vacuum Gate Valve
    Anyone in industrial production knows that if a valve fails, the entire production line has to stop. This vacuum gate valve made by our Zhengmao Valve is designed to "have fewer problems and do...
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  • Cryogenic Drip Pan Gate Valve
    In industries like chemical engineering and LNG that require cryogenic operations, if the valve can't withstand the cold, leaks or gets stuck, it will cause big troubles. This cryogenic gate valve...
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  • GB Gate Valve
    Friends in engineering and production management all know that valves must be compliant and durable. This national standard gate valve from Zhengmao Valve is designed in full accordance with...
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  • API Butt-Weld-End Gate Valve
    Master workers who work on-site all know that pipe connections are most afraid of leakage. Just looking at the connection method of this welded gate valve from Zhengmao Valve, you can feel at...
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  • Rising Stem Resilient Seated Gate Valve
    The open elastic seat gate valve has the advantages of elastic seat gate valve, and can display the valve opening more intuitively, and open and close quickly and reliably, so it is...
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Lakisha White star star star star star
I love these goods!
Thomas Bull star star star star star
Since its establishment, this company has continuously improved its technology and gradually clarified its production standards. Impressive!
Johnny Stevenson star star star star star
Super honest seller, thank you!
Winston Grimm star star star star star
We have to say that the company's R&D level is still very impressive, and it is a great honor to keep up with the times and develop products that are in line with the current context, and to work
Scott Gutierrez star star star star star
Your company has done a good job in technology, production and after-sales service, saving a lot of time, manpower and material costs for our company.
Kevin Boyd star star star star star
We're very lucky to work with you and you always have great ideas.
All Products - Fresno Valves & Castings...

WebThe Series 5900 Drainage (Flap) (Tide) Gates are a corrosion-resistant, rustproof, automatic drainage gate designed for use where light weight, corrosion resistance or tight sealing is foremost....

Standard Flap Gates - Agri Drain...

WebAgri Drain Standard Flap Gates are constructed of steel and are designed to help keep damaging water out of drainage systems and help keep drainage systems from flooding. Manufactured by Agri...

Flap Gates - Fresno Valves & Castings...

WebSeries 6200 Model 50C Heavy Duty Flap Gate. The Series 6200 Heavy Duty Flap Gate is designed to permit the outflow of water from a pipe or a structure to a body of water while preventing backflow...

SSF Series Fabricated SS Flap Gates – Waterman Valve LLC...

WebFabricated Stainless Steel Flap Gates. WATERMAN SSF-41 and SSF-43 FABRICATED STAINLESS STEEL DRAINAGE (FLAP) GATES offer a corrosion-resistant, rust-proof automatic drainage gate designed for...

Standard Flap Check Valves or Standard Flap Gates | Troy Valve...

WebFlap Check Valves also known as Flap Gates are put on the end of a flanged pipe to allow the flow of water out of the pipe, but prevent anything from flowing back in, such as sticks, leaves or...

Series 5900 Fabricated Flap Gate - Fresno Valves & Castings...

WebThe Series 5900 Drainage (Flap) (Tide) Gates are a corrosion-resistant, rustproof, automatic drainage gate designed for use where light weight, corrosion resistance or...

We specialize in the production of various specifications of Pipe connection Slurry Valve, Low Temperature Ball Valve, double offset butterfly valve , our goal is to become one of your most reliable partners. We're known as one of the most professional drainage flap gate manufacturers and suppliers in China. With over 30 years' experience, we warmly welcome you to wholesale high quality drainage flap gate made in China here from our factory. Contact us for more details.
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