Check Valve

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  • DN200 Swing Type Check Valve

DN200 Ductile Iron Swing Type Check Valve PN25

Ductile iron GGG40/50 or Cast IronGG25 Body, full bore swing check valve with NBR soft sealing. Raised face flanges.


Standard: BS5153, DIN3202-F6, DIN3201-F1, AWWA C508

Flange drilling is according to BS4504, DIN2501, and ANSI B16.1

Working pressure: 10bar

Size: DN200

Testing pressure:

Shell: 15bar/24bar/37.5bar

Seal: 11bar/17.6bar/27.5bar

Material: Ductile iron GGG40/50 or Cast IronGG25

Disc seat ring: Brass/Bronze/Stainless steel/ EPDM

Body seat ring: Brass/Bronze/Stainless steel

Bolt and Nuts: Carbon Steel with zinc plated or SS304, 316

Coating: Internal and external with fusion bonded epoxy coating min250μm or Liquid Epoxy painting

End Type: Flanged

Sub Category: Ductile iron Check valve

Item Number: M40204

Category: Valve

Execution: Full Bore

Max temperature: +120°C



Why Choose Us?


At our factory, we produce and supply a range of high-quality Check Valve products to meet your needs.

We correctly understand the changing trends of our competitive environment, understand our mission and responsibilities from a strategic perspective, and provide the most competitive solutions and professional services to our customers.

We offer competitive prices on our Check Valve products without compromising on quality.

The company is committed to the research and development of high-tech, and transforms the research results into products and productivity, and exerts its effectiveness in complete sets of Swing Type Check Valve system equipment, testing equipment, pilot equipment, etc.

Our vast selection of Check Valve products is manufactured to the highest standards and fully tested.

Over the years, we have continued to promote reform and development, insisting on technological innovation, management innovation and business model innovation.

We produce Check Valve products that are engineered for durability and performance.

Our company adheres to the quality concept of 'persistence, only for quality', provides customers with high-quality and durable products, cooperates with customers to improve product quality, reduce costs and enhance market competitiveness.

We are a Chinese factory specializing in high-quality Check Valve products and professional services.

We have formed a trade marketing pattern that focuses on foreign trade, concurrently operates domestic and foreign trade, combines industry and trade, and diversifies simultaneously.



Ductile iron valves can be customized according to customer needs.

Customized ductile iron valves can be designed and manufactured according to specific dimensions, shapes, materials, and process requirements.


Customers can provide their own design drawings or requirement specifications, or communicate with suppliers to customize ductile iron valves that meet specific requirements. Customized ductile iron valves can meet the special needs of different engineering projects, improve the adaptability and reliability of the project.

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