Shanghai Jianggong Valve Manufacturing Co., Ltd.
                                                                                                           
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34 Years
Since 1992
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Ductile Iron Soundproof Silent Check Valve 50-300mm DN 1.6MPa for Water Pipeline Systems

Price Negotiable
Price: USD29.9/Set - 2899.9/Set
MOQ: 1 Set
Delivery Time: 14 days
Brand: JGPV
Product Description
Ductile Iron Cast Steel Soundproof Silent Check Valve
A specialized check valve designed for water pipeline systems, featuring soundproof operation and reliable backflow prevention for pump applications.
Product Overview
This foot valve (also known as bottom valve) is engineered to prevent medium backflow in water pipeline installations. Primarily used with water pumps, it installs at the bottom of underwater suction pipes to ensure unidirectional flow and prevent slurry backflow.
Technical Specifications
Parameter Specification
Nominal Diameter (DN) 50-300 mm
Nominal Pressure (PN) 1.6 MPa
Test Pressure - Strength (water) 2.4 MPa
Test Pressure - Enclose (water) 1.76 MPa
Working Temperature ≤80℃
Suitable Medium Clean water
Connection Type Flange
Material Composition
Component Material
Valve Body Ductile Iron
Disc Cast Bronze
Bushing Cast Bronze
Seat Cast Bronze
Spring Stainless Steel
Seal EPDM
Screen Stainless Steel 304
Bolt Stainless Steel 304
Key Features & Benefits
  • Optimized structure ensures smooth flow without turbulence during operation
  • Available with all international standard interfaces: welded, clamp, or threaded
  • Valve body constructed from US304/SUS316L materials with alloy steel options available
  • Surface polishing available up to 0.25um precision
  • Manual or pneumatic operation options
  • Advanced design with low friction resistance for extended service life
  • Energy-efficient operation reduces operational costs
  • Multiple inlet ports with stainless steel filter screen to minimize debris intake
Applications
Widely used as essential pump support equipment across multiple industries including petrochemical, chemical processing, textiles, printing and dyeing, metallurgy, mining, and drainage/irrigation systems.
Installation Notes
Each water pump requires one bottom valve, typically installed below the water surface. The water-based bottom valve variant can be installed above water surface, serving as an upgraded alternative to traditional bottom valves and replacement for vacuum pump systems.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shanghai Jianggong Valve Manufacturing Co., Ltd.
Location No. 5089, Nanzhu Road, Zhuqiao Town, Pudong New Area, 201324, P. R. China
Contact Person David Chen

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