Lansdale LVAV-2 Fire Sprinkler System Air Vent With Adjustable Purge Valve, 1" - 700-500-00180 50-316-9-165 58-172-1-212

58-172-1-212

49-765-9-135

57-578-0-135

STI-1229 and STI-1210D

Senju FR-H II Wrench Socket for FR Model Sprinklers - 90000-003-0501

Lansdale LVAV-2 Fire Sprinkler System Air Vent With Adjustable Purge Valve, 1" - 700-500-00180 50-316-9-165 58-172-1-212Lansdale LVAV 2 Fire Sprinkler System Air Vent With Adjustable Purge Valve, 1" 700 500 00180 The Lansdale, Automatic Air Vent w Adjustable Purge Valve, Model LVAV 2 is a device consisting of a 1 ball valve, an air vent, strainer and adjustable purge valve. This device helps prevent corrosion from attacking the piping system by releasing trapped air in wet fire sprinkler piping systems. The integrated purge valve will quickly remove air from the system