Integrated alarm port takes the place of a check valve Benefits External reset Save time and effort with no need to remove the diaphragm cover. Higher pressure rating & lower pressure drop Allows water to travel further at specified system pressur...
The present invention is related to a pre-action valve comprising: a valve body (10); a setting valve (20) wherein a valve seat (21) is combined in a thread formed on the inner side of the valve body (10) at the part in which a first inlet port (11) is ended and one side ...
5) reactive valve 反作用阀 6) application valve 作用阀 1. Reason analysis of the trouble with JZ-7 air brakeapplication valveand its precautions JZ-7型空气制动机作用阀故障的原因分析与防止办法 补充资料:溢流阀、顺序阀、减压阀的比较 溢流阀 ...
A pre-action valve is disclosed. According to an embodiment of the present invention, the pre-action valve, which is opened and closed by a diaphragm, comprises: a valve body in which an inlet and an outlet are respectively formed in an upper portion and a lower portion, a space is form...
when a fire occurs,after the fire detector alarms ,the automatic control system controls the valve exhaust and water filling,and changes from a dry type to a wet type system.water sprayinh only started when the ignition point temperature reached the open and closed sprinkler. t...
Preaction Alarm Valve Manifold Category: Preaction Alarm Valve Manifold Client feedback Product Description Product overview The pre-action alarm valve group combines the automatic fire detection alarm technology and the automatic sprinkler system to install a closed sprinkler in the system. In the abse...
ZSFY type preaction alarm valve is an integration of fire detection alarm technology and automatic sprinkler system, which can function for dual protection for the target. As the side pipe is filled with gas when there is no fire risk, the system shows the features of dry type system and...
Model NO. Pre-Action Alarm Valve Alarm Valve Type Deluge Valve Automatically Opened and Closed Repeatedly Can Automatically Opened and Closed Open Fire Sprinkler System Type Deluge System Closed Fire Sprinkler System Preaction Fire Sprinkler System Surface ...
SANJING Fire Pre-action Sprinkler Deluge Valve Wet Alarm Check Valve, You can get more details about SANJING Fire Pre-action Sprinkler Deluge Valve Wet Alarm Check Valve from mobile site on Alibaba.com
Ductile Iron Flange Type DN200 8′′ Preaction Alarm Valve Zsfy for Fire Sprinkler System US$361.48-366.54 1 Piece (MOQ) Product Details Customization: Available Sprinkler Installation: Ordinary Sprinkler Head Type: ClosedContact Supplier Chat ...