Known valves for sprinkler systems have a valve lock to hold the valve stem in the throughflow position. The valve lock is made up essentially of a locking part which is arranged on an actuating rod and engages in an annular groove in the valve stem. The valve lock of the known valve ...
alarm valve for sprinkler system for fire protection,3 different type:1,dry systemm 2.wet system 3.pre-action system 。 翻译结果4复制译文编辑译文朗读译文返回顶部 alarm valve for sprinkler system for fire protection, and 3 different type: 1, dry systemm, wet system 3, pre-action system. ...
12" 300PSI UL LISTED FM APPROVED GROOVED TYPE SINGAL BUTTERFLY VALVE FOR SPRINKLER SYSTEMS Product Description Butterfly Valve Model: GD-381X.GD-381YFire Protection UL/FM Grooved Butterfly valveTechnical Features Conforms: ANSI / AWWA C606 Standard C...
Fire Protection Valve Alarm Check Valve Assembly for Sprinkler System Introduction: ZSFZ Wet alarm valve is the key component of automatic sprinkler system. It consist of wet alarm valves, retard, water alarm, and other components (such as pressure switches, flow meters,...
Disclosed herein is an automatic shut off valve for a sprinkler system which closes the water flow path whenever a sprinkler head becomes dislodged from a riser pipe. The shut off valve includes a valve seat and a valve element. The valve element is attached to the stem of a valve assembly...
Fire Alarm Check Valve for Automatic Fire Sprinkler Fire Protection System Introduction Alarm Check Valve is core element in wet pipe fire sprinkler systems. It serves a dual purpose which prevents a reverse flow of water (non-return), also provides for the use...
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Disclosed herein is an automatic shut off valve for a sprinkler system which closes the water flow path whenever a sprinkler head becomes dislodged from a riser pipe. The shut off valve includes a val
This above ground sprinkler system for a water supply provides a main supply hose having an inlet connected to the water supply and an outlet. A main valve is disposed between bib end of the hose and the water supply. A central station including a water supply inlet is connected to the ma...
Dry pipe valve for sprinkler system fire protection. A dry pipe valve, differential type, for a sprinkler system for fire protection, which valve has a body (12) valve defining an inlet (14) and an outlet (16), a chamber (22) water side in communication with said inlet and a chamber ...