1) preaction valve 预作用阀 2) valve action 阀作用 3) self-operated valve 自作用阀 4) application pilot valve 作用导阀 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 ...
. . 4Exploded View Drawing - Internal Valve Components . . . . . . . . . . . . . . 5Section View Drawing and Description鈥 - Series 767 Electric/Pneumatic Actuator . . . . . . . . . . . . . . . . . . . . . . 6Section View Drawing and Description鈥 - Series 746-...
DV-5A Pre-trim Preaction Valve is designed for protection against inadvertent flooding of the sprinkler system piping in areas prone to water damage.
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...
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 an...
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. the pre-...
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 absence of a fire, the system pipes are usually filled with low-pressure air or ammonia gas for detection, so it has ...
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 ...
PRE ACTION VALVE CONTROL BOX ꄴThe previous: DELUGE VALVE BRASS SPARE PARTS ꄲNext: PRESSURE REGULATOR 【这是一个产品详情】产品详情已自动绑定后台每篇产品的数据。拖动控件时请不要让任何控件重叠。请在后台产品管理直接设置好产品详情的内容样式,前台设计器不提供设置。
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 ...