American Flanged Swing Check Valve

Standard: AWWA C508 End Connection: B16.1 Class 125, B16.5 Class 150, or equivalent flanged connection Operating Temperature: 0°C–80°C Pressure Rating: 300 / 363 / 350 psi Surface Protection: FBE coating according to AWWA C550

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The American Flanged Swing Check Valve is a non-return valve designed for one-way water flow in fire protection piping systems. Its swing disc opens away from the seat during forward flow and returns to the seat to help stop reverse flow.

Key Features

Swing-type check valve for one-way flow control
Designed to help prevent reverse water flow
Flanged body for American piping connection requirements
Swing disc opens under forward flow
Disc closes onto the seat to block backflow
Suitable for fire protection water supply systems
Available in 300 / 363 psi and 350 psi pressure series
Size options available from DN50 to DN400 depending on configuration

Product Configurations

Item	Details
Valve Function	One-way flow control and backflow prevention
Disc Operation	Swing disc opens for forward flow and closes against reverse flow
Size Range	2″ / DN50 to 16″ / DN400
Face-to-Face Length	203 mm to 914 mm depending on size and series
Pressure Series	300 / 363 psi series or 350 psi series
Installation Use	Fire protection water piping system

FAQ
Q1: Who are we?
A: We are a fire fighting equipment manufacturer based in Fujian, China. Since 2004, we have supplied a wide range of fire safety products for domestic and international markets, including fire sprinklers, hydrants, valves, hoses and extinguishers.
Q2: How do we ensure product quality?
A: We follow strict quality control procedures from raw material inspection to production and final shipment. Pre-production samples and final inspections can be arranged according to order requirements.
Q3: What products do we supply?
A: We supply fire sprinklers, fire extinguishers, fire hydrants, fire valves, fire hoses, hose reels, fire cabinets, foam equipment and other fire fighting accessories.
Q4: Why choose Sunroom?
A: Sunroom has over 21 years of experience in fire fighting equipment manufacturing. We offer a wide product range, support customized production, and provide certificates or technical documents according to product and project requirements.

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