Foam Top Pourers

Made in the UK

Delta Foam Top Pourers are integrated units designed for use in fixed foam systems for flammable liquid (hydrocarbon and polar solvent) storage protection and comprise a combined foam maker, vapour seal box and pourer.

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Delta Foam Top Pourers are integrated units designed for use in fixed foam systems for flammable liquid (hydrocarbon and polar solvent) storage protection and comprise a combined foam maker, vapour seal box and pourer. Available in four size options with individual flow capacities from 120 to 3600 litres per minute at inlet pressures of between 3 and 10 bar each unit is pre-engineered and factory calibrated to provide precise flow and pressure characteristics.  Flow rates are optimised to provide the correct minimum application rate to the specific hazard being protected. These units are available with either frangible glass or carbon impregnated low pressure 316 stainless steel Teflon burst discs which are designed to break under pressure from the foam which is then deflected onto the tank shell cooling it and gently pouring onto the fuel surface.  Each unit has an easily removable cover allowing for testing of the system without breaking the seal also facilitating inspection and maintenance of the burst disc. Manufactured with a carbon steel body and 316 stainless steel orifice plate the Top Pourers are finished in a choice of red oxide primer or red polyester powder coat (RAL 3000). Inlets and Outlets are ASA 150lb raised face flanges.

Description

Delta Foam Top Pourers are integrated units designed for use in fixed foam systems for flammable liquid (hydrocarbon and polar solvent) storage protection and comprise a combined foam maker, vapour seal box and pourer. Available in four size options with individual flow capacities from 120 to 3600 litres per minute at inlet pressures of between 3 and 10 bar each unit is pre-engineered and factory calibrated to provide precise flow and pressure characteristics.  Flow rates are optimised to provide the correct minimum application rate to the specific hazard being protected. These units are available with either frangible glass or carbon impregnated low pressure 316 stainless steel Teflon burst discs which are designed to break under pressure from the foam which is then deflected onto the tank shell cooling it and gently pouring onto the fuel surface.  Each unit has an easily removable cover allowing for testing of the system without breaking the seal also facilitating inspection and maintenance of the burst disc. Manufactured with a carbon steel body and 316 stainless steel orifice plate the Top Pourers are finished in a choice of red oxide primer or red polyester powder coat (RAL 3000). Inlets and Outlets are ASA 150lb raised face flanges.

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FAQs

Delta Fire Foam Top Pourers are fixed foam discharge devices designed to deliver low expansion foam directly onto the surface of flammable liquids stored in fixed roof tanks. They form part of a fixed fire protection system and are engineered to provide controlled foam application for tank top protection in high risk industrial environments.

They are used in industrial and petrochemical facilities where fixed roof storage tanks contain flammable liquids. Their primary role is fire protection for tank surfaces, particularly where rapid foam coverage is required to suppress vapours and prevent fire escalation in fuel storage or chemical handling environments.

Foam Top Pourers receive foam solution from a fixed system and then expand it through an air aspirating outlet before gently discharging it onto the fuel surface. This controlled delivery method ensures the foam spreads evenly across the tank contents, forming a stable blanket that suppresses vapours and reduces the risk of ignition.

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responsible
manufacturing

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technology
and automation

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and proven
products

or send us an email:

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