Diaphragm Balance Regulator:

MAXIUM WORKING PRESSURE 3500 PSI (240 BAR) ADJUSTABLE INTERMEDIATE PRESSURE OUTPUT 130 ~138 PSI (9.0 ~9.0 BAR) FOUR 3/8 24 UNF MOUNTED ON A SWIVEL TURREL TOW 7/16 20 UNF HIGH PRESSURE CHROMIUM PLATED BRASS BODY STAINLESS STEEL SPRINGS NEOPRENE/NITRILE " O " RING RE-ENFORCE NEOPRENE DIAPHAGM