Foam Concentrate Bypass Valve for Proportioning Systems

Standard: NFPA 11, EN 13565, GB 20031 Valve Material: SS316 or bronze Connection Type: Female BSPT or NPT Pressure Rating: 200 psi Surface Protection: Red RAL3000 FBE coating or shotblasted finish Available Sizes: 1-1/2″ and 2″

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The Foam Concentrate Bypass Valve is used in balanced pressure foam proportioning pump skid systems to regulate foam concentrate pressure according to the water pressure. During operation, it bypasses excess foam concentrate back to the storage tank, helping maintain stable proportioning performance in foam fire protection systems.

Key Features

Bypass valve for foam concentrate control
Designed for balanced pressure foam proportioning pump skid systems
Automatically adjusts concentrate pressure according to water pressure
Returns excess foam concentrate to the storage tank
Diaphragm-operated design for reliable pressure response
Female BSPT or NPT connection options available
SS316 or bronze material options
Suitable for 200 psi working pressure

Product Configurations

Item	Details
System Application	Balanced pressure foam proportioning pump skid system
Operation Type	Diaphragm operated
Main Function	Adjusts foam concentrate pressure and returns excess concentrate
Return Function	Bypasses excess foam concentrate to storage tank
Size Options	1-1/2″, 2″
Pressure Gauge Option	Duplex or two separate pressure gauges
Connection Type	Female BSPT or NPT
Working Pressure	200 psi

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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