High backpressure foam generator (HBG)

HBG type high back pressure foam generators are used in conjunc on with SSI semi sub surface injec on systems to discharge extended foam onto the liquid surface stored in the tank from low levels. These systems can only be used with fixed roof storage tanks and are not recommended to be used with floa ng or internal floa ng roof tanks. The sub-surface method should only be used on tanks containing standard hydrocarbon based fuels such as: diesel, kerosene, gasoline, etc. It is not suitable for use on tanks that contain alcohol or polar solvent type liquids that are miscible in water. HBG's are equipment like Venturi inline mixers, with one major difference, the air is sucked and introduced into the solu on flow to create a forced expansion in the equipment. HBG's can handle a counter pressure caused by the stored liquid in the storage tank up to 40% of the pressure entering to the HBG. HBG's come with factory calibrated venturi nozzles to guarantee a precise flow rate at the desired pressure. Air suc on port is equipped with a swing check valve which eliminates foam solu on loss caused by poor pressure arriving in equipment. HBG's can be supplied on request with Rupture disc's or check valves at the discharge line to create a proper protec on system as described by NFPA-11 storage tank protec on sec on. HBG's should be posi oned outside the dyke pool of the protected storage tank.

Generatore schiuma ad alta contropressione
High backpressure foam generator
Model HBG

Specifiche - Specifications

Pressione d’esercizio: 6 - 16 bar Working pressure: 6 -16 bar
Rapporto di espansione: 1 ÷ 4 (Dipende dal tipo di schiumogeno) Foam expansion ratio: 1 ÷ 4 (Depending on foam concentrate type)
Contropressione massima dalla pressione d’ingresso: 40% Max counter pressure of inlet pressure: 40%
Corpo: acciaio al carbonio Body: carbon steel
Flange: acciaio al carbonio Flanges: carbon steel
Ugello: acciaio inox AISI 304 Nozzle: stainless steel AISI 304
Finitura: ciclo di verniciatura CSI#1 (clicca qui) Finish: coating cycle CSI#1 (click here)

A richiesta - Optional

Corpo: acciaio inox AISI 304 o AISI 316 Body: stainless steel AISI 304 or 316
Flange/Ugello: acciaio inox AISI 304 o AISI 316 Flanges/Nozzle: stainless steel AISI 304 or AISI 316
Finitura: zincatura a caldo Finish: hot dip galvanization
Portata diverse Different flow rates

Certificazioni - Certifications

Download data sheet (English - Italiano)

How to contact us?

Address
Via Roma, 94 - 27041 Casanova Lonati (PV) - Italy

Telephone
(+39) 0385.287.070 - 078

Fax
(+39) 0385.287.088

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