water flow indicator
1. flanged type
2. different sizes from 2" to 8"
3. one part of fire sprinler system
ZSJZ Water Flow Indicator;
ZSJZ type water flow indicator is a component part of automatic sprinkler fire extinguishing system, driving vanes through water flow in the sprinkler pipe network. It actuates the micro-switch to transfer water flow signal into electric signal, while connecting to the controller so as to start automatic fire alarm system. The indicator can be used for checking the operation of automatic sprinkler system and helping determine the area on fire, applicable to wet, dry and pre-acting system.
There are grooved type, clamp type, flanged type and saddle type.
Feature
Compact structure, elegant appearance, sensitivity can be adjusted.
It adopts stainless steel area connecting, convenient to operate and reliable construction.
Complete specifications: DN 50- DN200.
Connecting types include saddle, clamp, flanged, threaded, welding, etc. Plz refer to attached figures. Among them, saddle type is especially suitable for reconstruction or expansion project, clamped type connecting piping projects, etc. It provides such convenient and quick installation that only two fastening bolts have to be screwed down.
During installation, make sure that the direction of media flow in the pipeline is in conformity with the direction of arrow shown on the water flow indicator. During installation, make sure that the vane does not touch the pipe inner wall and , the rotation of vanes and driving link is flexible. After punching a (1)-42mm insert hole on the piping, make sure burr keep the electric junction box of water flow indicator upright and pointing upwards. The two clamp nuts should be tightened symmetrically.
Grooved type clamp type flanged type saddle type
Technical Parameter
Applicable Bore (mm) | Rated Working Pressure | Factory Sealing Test | Operation flow | Switch Capacity | Contactor Output |
50-200 | 1.2Mpa | 2.4Mpa water pressure, 5min no leakage | 15L per min – 37.5L per min, adjustable. | AC220V, 0.5A DC 24V, 0.3A | General Opening C-CN, General Closing C-NO |
Note: There are general opening and general closing contactor connecting ways for usage choice. |