Multiple structures optional including swing/lift/butterfly type and low-resistance slow-closing type, precisely adapted to different pipeline working conditions such as large calibre, high pressure and water hammer-prone scenarios, with excellent backflow prevention performance.

Valve bodies available in multiple materials: cast iron, cast steel, 304/316L stainless steel and copper alloy. Sealing pairs can be selected on demand, featuring corrosion resistance, pressure resistance and temperature resistance, suitable for the transportation of various media.

High-quality cast iron swing check valve with anti-backflow function, suitable for water manufacturers

Name: High-quality cast iron swing check valve with anti-backflow function, suitable for water manufacturers
SKU: 74683
Price: 75.00 USD
Availability: InStock

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This check valve is a core one-way flow valve component specially designed for pipeline systems, featuring three key characteristics: one-way sealing for backflow prevention, multi-structure adaptation to working conditions, and corrosion resistance, pressure resistance as well as durability. It is available in multiple types including swing, lift and low-resistance slow-closing models, with valve body materials optional in cast iron, stainless steel and copper alloy. It covers a full range of nominal diameters and pressure specifications, and supports flexible installation via flange, threaded and welded connections. Driven by medium power, it opens and closes fully automatically with leak-tight sealing, and can effectively eliminate water hammer. It is an essential valve component for preventing medium backflow in pipeline systems of chemical engineering, municipal engineering, HVAC, water supply and drainage and other industries.

$75.00

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Description

Product Description:
High-quality cast iron swing check valve with anti-backflow function, suitable for water manufacturers
This check valve is a core one-way flow valve for industrial pipelines, municipal water supply and drainage systems, HVAC circulation systems and fluid transmission systems, featuring three key attributes: one-way sealing, backflow prevention and impact resistance, and sensitive opening and closing. Adopting a core structure of integral valve body casting, precision-matched valve core and optimized sealing pair, it integrates five superior advantages: pressure and corrosion resistance, low flow resistance, easy installation, adaptability to various working conditions and freedom from frequent maintenance. It addresses the pain points of pipeline medium backflow, equipment damage caused by water hammer impact and leakage due to poor sealing, enabling efficient one-way flow of media and preventing pipeline pressure fluctuations and equipment failures induced by backflow. It is an essential basic valve component for pipeline systems in industries such as chemical engineering, municipal engineering, HVAC, water supply and drainage, and oil and gas transmission.
Product Parameters：

Disc	GGG50+Brass /EPDM
Shafe	SS420
Rocker	Ductile Iron GGG50
Bonnet	Ductile Iron GGG50
Seal Gasket	Metallic Gasket / Rubber
Bolts	A2-70

Application Scenarios：

Municipal Water Supply and Drainage Systems

For urban water supply networks, residential water supply pipelines and sewage discharge pipelines; prevents backflow of water medium, and the low-resistance slow-closing type is suitable for high-rise building water supply.

Chemical Industry Pipelines

For transmission pipelines of acid-alkali feed liquid, organic solvents and chemical steam; the stainless steel valve body features corrosion-resistant sealing and is suitable for one-way flow of corrosive media.

HVAC Systems

For heating and refrigeration water circulation pipelines in shopping malls, office buildings and factories; the swing and butterfly types feature low flow resistance to ensure the one-way circulation of hot and cold media.

Pump and Valve Outlet Pipelines

For the outlets of centrifugal pumps, plunger pumps and various valves; prevents medium backflow from impacting the pump body during shutdown or pressure relief, and the low-resistance slow-closing type eliminates water hammer.