When it comes to Proportioning Devices, SOLBERG-ITS has the hardware you need to get the job done right—no matter what type of foam system.Foam Pump Proportioner
The SOLBERG-ITS Foam Pump Proportioner (SFPP) is a low foam solution proportioning device, designed to accurately proportion the foam concentrate into the water stream at both high and low system flow rates. The SOLBERG-ITS Foam Pump Proportioner is designed as an integral component of the SOLBERG-ITS Foam Pump Proportioning System. The pump proportioner is designd for open and closed head foam/water sprinkler systems, foam monitor systems, and other SOLBERG-ITS foam discharge devices. Please consult product datasheet for complete details
The SOLBERG-ITS Inline Balanced Pressure (ILBP) proportioner is a complete self-contained device that incorporates the necessary components including ratio controller, duplex gauge, balancing valve, check valve, ball valve, and associated brass piping. SOLBERG-ITS ILBPs are designed to balance the incoming foam concentrate pressure with the incoming fire-water pressure, and meter the correct amount of foam concentrate to fire-water stream over a wide range of flow rates and pressures. The ILBP system works with a positive displacement foam pump, to supply foam concentrate to the ILBP. A pressure sustaining valve, located in the return line, carries excess foam concentrate not needed by the device back to the atmospheric storage tank. Devices are available in sizes ranging from 2.0″ – 8.0″ (51 mm – 203 mm).
The SOLBERG-ITS S-ZF Inductor is used to mix foam concentrate with water when the foam concentrate is supplied from a tank at atmospheric pressure. The S-ZF inductor can be installed in deluge systems where sprinklers are used, such as aircraft hangars and storage facilities. The inductor(s) are connected to the water line. The S-ZF is installed inside the pipe work between two flanges. The S-ZF works using the venturi principle. Both low and high viscosity foam concentrates can be used with the S-ZF.
SOLBERG-ITS Threaded Proportioners are modified venturi ratio controllers that accurately mix and meter foam concentrate into fire-water streams. Each proportioner consists of the following components: body, inlet nozzle, and metering orifice constructed out of ASTM 85-5-5-5 bronze material. The proportioner is designed with a male NPT threaded inlet and a male threaded outlet in sizes of 2.0″ (51 mm) and 2.5″ (64 mm), with the flow direction arrow clearly marked. During operation, water flows through the modified venturi to create an area of lower pressure which is directly effected by the water velocity as it flows through the ratio controller.
The SOLBERG-ITS Variable Range Proportioner is a low foam solution proportioning device, designed to accurately proportion the foam concentrate into the water stream at both high and low system flow rates. The SOLBERG-ITS Variable Range Proportioner is designed as an integral component of the SOLBERG-ITS Bladder Tank proportioning system, to be used with SOLBERG-ITS foam concentrates in foam-water sprinkler systems. The SOLBERG-ITS Variable Range Proportioner complies with NFPA 30, the Flammable and Combustible Liquids Code, Paragraph 16.5.1.6.2, which states that foam/water sprinkler systems are to provide foam solution to operating sprinklers with 4 sprinklers flowing. The SOLBERG-ITS Variable Range Proportioner was designed to meet this Code requirement.
The SOLBERG-ITS Variable Range Pump Proportioner (SVRPP) is a low foam solution proportioning device, designed to accurately proportion the foam concentrate into the water stream at both high and low system flow rates. The SOLBERG-ITS Variable Range Pump Proportioner is designed as an integral component of the SOLBERG-ITS Foam Pump Proportioning System, to be used with SOLBERG-ITS foam concentrates in foam-water sprinkler systems. Please consult product datasheet for complete details.
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