Fire Research Corp. S121-3300A single point injection foam proportioner
Provides fully automatic foam proportioning, regardless of changes in flow or pressure
Provides discharge side injection: no foam goes through the fire pump
Convenient, push-button operation makes it the easiest system to use
No in-line restrictions
Delivers unmatched accuracy over the widest range of flows
Installs easily in new or existing apparatus
Achieves full pump capacity with all known Class B concentrates
Hydraulically-driven and incorporates an Edwards rotary gear pump
System components include a microprocessor control/display unit, instruction placard, hydraulic control block, pump and motor assembly, load-sensing hydraulic pump, filters, strainer, foam injection check valve, complete shielded cable set and RFI/EMI suppression kit