2015-12-07 19:35:02
UL Alarm Check Valve is of 4 types:-
1. 4” Flange/Groove Alarm Check Valve
2. 6” Flange/Groove Alarm Check Valve
Features:-
• 4” & 6” Alarm Check Valve has flanged end vertical installed alarm check valve
• The valve is made in accordance with UL 193 Alarm Valves for fire-protection service
• Material Cast iron ASTM A48 class no 35
• Rated pressure 175psi, test pressure 350 psi
• Marking UL Listed 175psi 4”/6” ALARM CHECK VALVE.
• Installation vertical ½ NPT(PT) thread female inlet ¾ NPT(PT) female thread outlet and ½ NPT(PT) female thread drain