Our Ductile Iron Dual Plate Wafer Check Valves are available in sizes up to 48''
Standard: BS5153, EN12334, API 609
Flange drilling is according to BS4504, DIN2501, and ANSI B16.1
Working pressure: 10bar/16bar/25bar
Testing pressure:
Shell: 15bar/24bar/37.5bar
Seal: 11bar/17.6bar/27.5bar
Material: Ductile iron GGG40/50
Disc: Ductile iron/Aluminum Bronze, Stainless steel
Stem: Stainless steel
Seat: EPDM/Viton
Coating: Internal and external with fusion bonded epoxy coating min250μm or Liquid Epoxy painting.
Dual plate check valve designed for minimal pressure loss. Equipped with a spring-loaded mechanism, it is ideal for use with clean fluids such as water and other non-particulate media. The valve ensures a tight seal even at low pressures and is intended for installation between flanges.
Standard: BS5153, EN12334, API 609
Flange drilling is according to BS4504, DIN2501, and ANSI B16.1
Working pressure: 10bar/16bar/25bar
Testing pressure:
Shell: 15bar/24bar/37.5bar
Seal: 11bar/17.6bar/27.5bar
Material: Ductile iron GGG40/50 or Cast Iron GG25.
Disc: Ductile iron/Aluminum Bronze, Stainless steel
Stem: Stainless steel
Seat: EPDM/Viton
Coating: Internal and external with fusion bonded epoxy coating min250μm or Liquid Epoxy painting.
Size | DN40 - DN1200mm |
Design Standard | API 609 |
End flange | EN1092 ,ANSI 125/150# ,DIN2501 |
Face to face | EN 558-1, BS5155 , ISO 5752 |
Top flange | ISO 5211 |
Body | Ductile iron,Stainless steel,WCB |
Disc | Ductile iron,CF8,CF8M,C95400,C95500 |
Stem | SS416,SS420,SS431,SS316 |
Seat | NBR,EPDM |
Suitale medium | Sewage, Sea water, Air, Foodstuff and Oil |
1. Durable Ductile Iron Construction: Provides high strength and toughness for long-lasting performance in demanding environments.
2. Dual Plate Design: Offers improved flow dynamics and reduces water hammer compared to single-plate valves.
3. Spring-Loaded Mechanism: Ensures quick, automatic closure to prevent backflow, suitable for clean fluids.
4. Compact and Lightweight: Easier to install and maintain, especially in tight spaces.
5. Low Pressure Drop: Engineered for minimal resistance to flow, ensuring efficient operation.
6. Corrosion-Resistant Coating: Protects against rust and degradation, increasing valve lifespan.
7. Tight Shutoff at Low Pressures: Guarantees reliable sealing, even in low-pressure conditions.
1. Reduced Water Hammer Risk: The dual-plate design and spring mechanism minimize sudden pressure surges, protecting the piping system.
2. Energy Efficiency: Low pressure loss improves system efficiency, reducing operational costs.
3. Versatile Application: Suitable for various industries, including water, oil, gas, and non-particle fluids.
4. Cost-Effective: The durable construction and efficient design offer long-term savings through reduced maintenance and energy consumption.
5. Reliable Backflow Prevention: Ensures safe operation by automatically preventing reverse flow, protecting equipment and systems.
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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