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China factory - Handan Shengnada New Material Technology Co., Ltd.

Handan Shengnada New Material Technology Co., Ltd.

  • China,Handan ,Hebei
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  3. 3000LB 4500LB Ductile Iron Swing Check Valve For Water Oil And Gas Pipelines
China 3000LB 4500LB Ductile Iron Swing Check Valve For Water Oil And Gas Pipelines
China 3000LB 4500LB Ductile Iron Swing Check Valve For Water Oil And Gas Pipelines

  1. China 3000LB 4500LB Ductile Iron Swing Check Valve For Water Oil And Gas Pipelines
  2. China 3000LB 4500LB Ductile Iron Swing Check Valve For Water Oil And Gas Pipelines
  3. China 3000LB 4500LB Ductile Iron Swing Check Valve For Water Oil And Gas Pipelines
  4. China 3000LB 4500LB Ductile Iron Swing Check Valve For Water Oil And Gas Pipelines

3000LB 4500LB Ductile Iron Swing Check Valve For Water Oil And Gas Pipelines

  1. MOQ： 1 pcs
  2. Price： $60-90/pc
  3. Get Latest Price
Payment Terms L/C, T/T
Supply Ability 100,000 per year
Delivery Time 20 days
Packaging Details Wood box/ wood pallet
Produce Name Ductile Iron Swing Check Valve Used To Prevent Medium Backflow
Key Words Check Valve, Swing Check Valve,No Return Valve
Power Automatic
Temperature 600-900 degree
Warrantly 18 months
Connection Flanged
Application General, Oil and Gas, Petrochemical and Chemical Industry, Water and Wastewater,HVAC, c
Media Corrosive
Body Material Ductile Iron
Packing Wood box
Customized Support OEM, ODM, OBM
Pressure 150/300/600/900/1500/2500/3000/4500LB
Brand Name SND FOUNDRY
Model Number Check Valve
Certification ISO / CE
Place of Origin Zhengjiang,China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C, T/T Supply Ability 100,000 per year
Delivery Time 20 days Packaging Details Wood box/ wood pallet
Produce Name Ductile Iron Swing Check Valve Used To Prevent Medium Backflow Key Words Check Valve, Swing Check Valve,No Return Valve
Power Automatic Temperature 600-900 degree
Warrantly 18 months Connection Flanged
Application General, Oil and Gas, Petrochemical and Chemical Industry, Water and Wastewater,HVAC, c Media Corrosive
Body Material Ductile Iron Packing Wood box
Customized Support OEM, ODM, OBM Pressure 150/300/600/900/1500/2500/3000/4500LB
Brand Name SND FOUNDRY Model Number Check Valve
Certification ISO / CE Place of Origin Zhengjiang,China
High Light Ductile Iron Swing Check Valve ，3000LB 4500LB Swing Check Valve ，Swing Check Valve 3000LB
Ductile Iron Swing Check Valve for Water, Oil, and Gas Pipelines
Product Specifications
Attribute Value
Produce Name Ductile Iron Swing Check Valve Used To Prevent Medium Backflow
Key Words Check Valve, Swing Check Valve, No Return Valve
Power Automatic
Temperature 600-900 degree
Warranty 18 months
Connection Flanged
Application General, Oil and Gas, Petrochemical and Chemical Industry, Water and Wastewater, HVAC
Media Corrosive
Body Material Ductile Iron
Packing Wood box
Customized Support OEM, ODM, OBM
Pressure 150/300/600/900/1500/2500/3000/4500LB
Product Description

Ductile Iron Swing Check Valve Used To Prevent Medium Backflow

This is a swing check valve, a type of check valve. It plays a "one-way passage" role in the fluid pipeline to prevent the medium from flowing back. The following is a detailed analysis from the structure, principle, and application:

Core Structure & Working Principle
Valve Body (Blue Body): Material: ductile iron (surface anti-corrosion spray), pressure-resistant, corrosion-resistant, suitable for water, oil, light gas and other media. The flanges at both ends connect the pipeline to facilitate splicing with the pipeline network (such as municipal water supply, factory circulating water system).
Casting Information: Usually marked with nominal diameter (DN) and pressure rating (PN), such as DN100, PN16 (adaptive pipeline size, pressure resistance).
Valve Disc (The "Door Plate" Hidden Inside): The core of the check valve: There is a "valve disc" (similar to the structure of a door) that can rotate around the axis in the valve body. When the medium flows forward (along the direction of the pipeline arrow), the thrust pushes the valve disc open (like a door is pushed open), and the pipeline is open; when the medium flows back, the valve disc automatically rotates to close the valve port by its own gravity + reverse medium pressure to prevent backflow.
Flow Direction Restriction: During installation, the forward flow direction of the pipeline medium (arrow direction) must be strictly aligned. If it is installed in reverse, the check function will be completely lost, and the valve may even be damaged by backflow impact.
Application Scenarios & Value
Water Pump Outlet: For example, the secondary water supply pump of the community and the circulating pump of the factory cooling tower, the valve disc closes quickly when the pump is stopped to prevent water from backflowing and impacting the pump impeller (avoiding the "water hammer effect"-backflowing water may damage the impeller and crack the pipeline).
Large Pipeline Trunks: Urban water pipelines, long-distance oil pipelines, due to the large pipe diameter and strong medium flow inertia, the "large valve disc" of the swing check valve is more suitable - the sealing area is large when closed, the check effect is good, and the valve disc rotates flexibly and is not easy to get stuck (more suitable for large flow scenarios than small-diameter check valves).
Steam System: In some steam pipelines (such as thermal power plants and printing and dyeing plants), when steam condensate flows back, the swing check valve can prevent steam from flowing back and allow condensate to be discharged (but the steam system often uses "drain check valves", which depends on the specific design).
Comparison With Other Check Valves
✔️ Suitable for Large Diameters: The structure of the valve disc rotating to open has small flow resistance (the medium can pass quickly), suitable for large pipelines above DN50 (for example, the valve in your picture is visually DN100-DN200 level).
✔️ Reliable Sealing: When the valve disc is closed, the area of contact with the valve seat is large. The greater the reverse pressure, the tighter the seal (but after long-term use, the valve disc may leak due to wear and tear, and regular maintenance is required).
❌ Not Suitable for Small Flow: For small pipes (below DN50), the swing type may cause the valve disc gravity to cause untimely closure. Generally, it is more accurate to choose a "lift check valve".

Simply put, this is the "one-way door god" of large pipelines. It automatically responds to "forward flow and reverse blockage" by rotating the valve disc, protecting the pipeline network from bursting due to backflow and equipment from damage due to water hammer. It is a must-have valve for municipal and industrial large-flow pipelines.

Technical Specifications
Application Chemical Industry, Petroleum and Gas
Place of Origin Zhejiang, China
Power Automatic
Customized Support OEM, ODM, OBM
Temperature of Media High temperature, 600-900℃
Brand Name SND
Media Chemical industry, oil, gas
Connection Flange
Body Material Ductile iron
Flow Direction As Arrow
Structure Swing
Ductile Iron Swing Check Valve - Front View
Ductile Iron Swing Check Valve - Side View

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller

  • Year Established:

    2021

  • Total Annual:

    8000000-10000000

  • Employee Number:

    150~200

  • Ecer Certification：

    Verified Supplier

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  • Handan Shengnada New Material Technology Co., Ltd.
  • No.4 Building, Wuan industry park, Handan City, Hebei, China
  • http://www.castironmanhole.com/

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