...turbine pump Discharge Port Coupling (A): JIS-B-9912 dimensions of screwed type coupling for fire hose 2-1/2" (82.5, 5 threads per inch, angle of threads 55") Suction Port Coupling (B): JIS-B-9912 dimensions of screwed type coupling for fire hose 3" (95, 4 threads per...
High Rise Escape Systems uses a Controlled Descent Device (CDD) that adjusts to the user’s weight and lets them descent at a rate of approximately 1 to 1.5 metres per second.