Foam Bladder

Made by Petroproject

in accordance with international Codes and Standard

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Petroproject Foam Bladders

Petroproject Bladder Tanks are the main component in a balanced pressure proportioning bladder tank system, which require no outside power source other than an adequate water supply

Petroproject Bladder Tank is a carbon steel pressure vessel with an internal reinforced neoprene rubber bladder resistant to the corrosion of the water and of the foaming agent with which it is in contact

Petroproject Bladder Tanks are available in both vertical and horizontal versions in multiple sizes and with foam inside or outside the membrane

Petroproject Foam Bladder Tank serves as a pre-mixing system through a very simple mechanism: the water coming from the water network pressurizes the tank, pushing the foam concentrate contained in it to a mixer of venturi type. Here, the foam concentrate is in contact with the water, forming the foam mixture that will be channeled to the pipe of the distribution network




Operation Limits and Scale

Working Pressure from 0.8 up to 1.2 MPa… Flow Rate 4 up to 64 L/S … Capacity 1,000L up to10,000L…Ratio 0.3% upt o 0.6%

Application Fields

Commercial, municipal and residential high-rise buildings, Large industrial premises and storage warehouses, Offshore and remote facilities, Airports, Power stations





Technical Specification Briefly


Design Features

Complies to ASME VIII div 1 and PED EC 2014/68/EU

Suitable for seismic Zone Level 2b UBC-PGA 0.25g

Neoprene-Hypalon membrane

18 inches. manhole for easy maintenance

Safety pressure relief valve calibrated to the design pressure

Visual level indicator

Integrated check valve on foam pipe

UL APPROVAL for any size and configuration Mod. H, HI, F, FI.

ASME U stamp Optional

Construction Standard Materials

Cast iron

Carbon Steel

Bronze Fitted

Special materials available on request

Benefits

Petroproject bladder tanks have been redesigned from the ground up, with a focus on design flexibility, lead time reduction and field usability.

Petroproject Bladder Tanks are configurable for a wide range of options that will not change the lead time, including:

Trim Piping Material

Standard and Corrosion-Resistant Paints

Alternate Paint Colors

Sight Gauges

Thermal Pressure Relief Valves

Open Leg Design – easy access to the bottom of the tank

New Shell Drain System – faster refilling after commissioning testing

Standard Grooved Coupling Connections – easy integration into firewater piping

Reversible Water Inlet – pipe from either side of a vertical tank

Master Shutoff Valve – Use, install, or replace the sight gauge with less mess

Valve Nameplates with Ring Pins and Tamper Seals – No questions about which valve is which or what position it was left in

Fire Market Applications

Sprinkler systems

Hydrant systems

Water curtains



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