Gold Member Since 2017
Audited Supplier

Baian Fire Protection Technology Co., Ltd.

Fire Monitor, Fire Hose, Fire Nozzle manufacturer / supplier in China, offering Dry Type Pillar Fire Hydrants - Kitemark/Lpcb, VAG Nova 284 Standpost Hydrant, Pillar Hydrant BS750 & Undergroud Hydrant and so on.

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Foam Bladder Tank [May 11,2017]
Foam Bladder Tank
Brief Information Of Foam Bladder Tank
The Baian foam bladder tank is a steel pressure vessel fitted with an internal bladder that stores foam 
concentrate .During operation ,water supplied to the bladder tank displaces the foam concentrate and 
collapses the bladder until the concentrate is depleted .
The bladder tank discharges foam concentrate is at approximately the same pressure as the water 
supplied at the water inlet connection to the tank .Since the bladder tank is pressurized , the bladder
should not be refilled during operation .Frequently used in aircraft hangars ,loading racks ,sprinkler
system , and offshore platforms.
Materials and Specifications of Structures of Foam Bladder Tank
1) The bladder tank body is made of 20# high quality carbon structural steel (under codes and standards
of China and ISO,  This kind of steel is suitable for the welding and construction of tanks for fire fighting foam proportioning system utility.
2) Bladder in nitrile butadiene rubber and polyester, available of the tensile strength that ensures no
ruptures under operation conditions.
3) Main valves are made of corrosion resistant stainless steel.
4) Pipe networks made of seamless steel pipe. The inlet and outlet of ratio controller will be in DN100 (4")
with a pressure from 6 bar up to 12 bar.