Viking® F20137N Model VRC Foam Ratio Controller, 3% XMAX, 8" FS-RT Item: RASCO/Reliable® RA1421

Item: RASCO/Reliable® RA1421

Manufacturer part number:  56-976-0-155

AA201128R9

sprinklers’ suppression-mode design is especially advantageous as a means of eliminating the use of in-rack sprinklers when protecting high-piled storage

51-534-1-175

Viking® F20137N Model VRC Foam Ratio Controller, 3% XMAX, 8" FS-RT Item: RASCO/Reliable® RA1421The 8 inch ratio controller accurately proportions foam concentrate into a water stream over a wide range of water flow rates. Ratio controllers are an integral part of an approved foam system. In addition to the ratio controller, the main components of the approved foam system are specific foam concentrates, a foam storage tank, a concentrate control valve and foam discharge devices. The system must be designed so that the ratio controller can