Watts Regulator Co., "Watts No. 127W". |
Grinnell Fire Protection Systems Co., "Dry Pipe Valve", Apr. 1983. |
Grinnell Fire Protection Systems Co., "Deluge Valves, Vertical--4 & 6 Inch", Model A-4 Multimatic, Jul. 1983. |
Central Sprinkler Co., "Alarm Check Valve", Aug. 1985. |
Central Sprinkler Co., "Check Valve-90", Nov. 1987. |
Grinnell Fire Protection Systems Co., "Wall Indicator Posts, Straight Type", Model F751, May 1987. |
Central Sprinkler Co., "Shotgun-90", Feb. 1989. |
Grinnell Fire Protection Systems Co., "Riser Check Valves", Grooved End--2 thru 6 Inch, May 1990. |
Central Sprinkler Co., "Dry Pipe Valve", Nov. 1990. |
Central Sprinkler Co., "Deluge Valve Model A", Apr. 1991. |