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I <br />Valve Actuation <br />Connection <br />Low -Pressure <br />Supervisory Switch <br />Pressure Gauge <br />1 Discharge Outlet <br />Anti -Recoil <br />Pilot Actuation Safety Plug <br />Port <br />Pipe Plug <br />Safety Cap <br />Rupture Disc <br />Low-rressure <br />Supervisory Switch <br />CYLINDER MOUNTING <br />The cylinder valve has four key features: <br />Valve Actuation Connection: Athreaded connection <br />located on top of the cylinder valve serves as the at- <br />tachment point for the electric (primary) or pneumatic <br />(secondary) valve actuator. <br />Pressure Gauge: A pressure gauge is affixed to the <br />cylinder valve exterior as shown on the cylinder valve <br />assembly diagram. <br />Low -Pressure Supervisory Switch: A low-pressure <br />supervisory switch is mounted to the cylinder valve as <br />shown on the cylinder valve assembly diagram. <br />Rupture Disc: A frangible rupture disc is fitted to the <br />cylinder valve body. It functions as an emergency re- <br />lief device in the event of excessive pressure within <br />the cylinder. Its rupture point is between 850 psi (58.6 <br />bar) and 1000 psi (68.9 bar). <br />The cylinder valve has two outlets: <br />Discharge Outlet: A 1 1 /4 in (32 mm) FNPT connection <br />serves as the connection point for discharge piping. <br />Pilot Actuation Port: A 3/8 in (10 mm) FNPT con- <br />nection (shipped with a removable plug) provides a <br />means of applying actuation pressure to the second- <br />ary cylinder(s) or, in a single cylinder system, the dis- <br />charge pressure switch. The port is pressurized only <br />during the 10 second discharge period. <br />Wall Mount Cylinder Bracket Assembly <br />(P/N 18595) <br />Cylinder stability is ensured by the cylinder bracket as- <br />sembly, consisting of one strap and rail with accompany- <br />ing bolts, nuts, and washers. The rail is slotted for ease of <br />mounting with fasteners provided by the installer. <br />23.83 <br />605 <br />36.56 <br />929 <br />53.0 <br />1346 <br />19.93 <br />506 <br />32.67 <br />830 <br />49.10 <br />1247 <br />13.63 <br />346 <br />15.75 <br />400 <br />30.75 <br />781 <br />10.0 <br />254 <br />10.0 <br />254 <br />10.0 <br />254 <br />11.9 <br />302 <br />11.9 <br />302 <br />11.9 <br />302 <br />DS1258 Revised: 21-Dec-2023 <br />Page 3 of 10 <br />