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ZSJZ welding water flow indicator
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Product details
Introduction to ZSJZ Welding Water Flow Indicator
The water flow indicator is a component of the automatic sprinkler fire extinguishing system, usually installed at the beginning of the water distribution main or pipe network, used to display the fire alarm area, activate various electrical alarm devices or fire pumps and other electrical equipment. Suitable for wet, dry, and pre action automatic sprinkler fire extinguishing systems.
Application of ZSJZ welding water flow indicator
ZSJZ welding water flow indicator is used in automatic sprinkler fire extinguishing systems. It is a component that converts the flow of water into an electrical signal, which can trigger an electric alarm bell or directly start the fire pump to supply water for fire extinguishing The water flow indicator consists of a body, a printed circuit board, paddle legs, paddle blades, and connecting parts. When a fire alarm occurs in a certain partition of the system, the water nozzle senses the temperature and sprays water to extinguish the fire. The water flow pushes the paddles and paddles, and the delay circuit is connected for 2-90 seconds before sending out an electrical signal.
ZSJZ welding water flow indicator component material
| BODY MATERIAL | Carbon steel, stainless steel, copper |
| Window Material | Tempered borosilicate glass, quartz glass, aluminum silicate glass |
| Tempered borosilicate glass | Pressure resistance 2.5MPa, temperature resistance ≤ 200 ℃ |
| quartz glass | Pressure resistance 10MPa, temperature resistance ≤ 1000 ℃ |
| aluminosilicate glass | Pressure resistance 6.4MPa, temperature resistance ≤ 450 ℃ |
| Seal material | Nitrile rubber, polytetrafluoroethylene |
Performance parameters of ZSJZ welding water flow indicator
| ZSJZ Welding Water Flow Indicator Product Model Performance Parameters | |
| specifications | DN25-DN200 |
| Working pressure | 1.2MPa |
| sensitivity | Alarm flow rate ≤ 37.5L/min |
| CONTACT CAPACITY | DC 24V 0.5-0.1A |
| Contact output | One pair of normally open and one pair of normally closed |
| delay time | 2-90s |
ZSJZ welding water flow indicator external dimensions
|
Public diameterPREFIX = O DN |
Connectivity Center Do |
Number of flange holes z—d |
Hexagonal bolt size M |
pipeReserved space L |
|
50 |
125 |
4—? eighteen |
M16×60 |
|
|
65 |
145 |
4—? eighteen |
M16×65 |
|
|
80 |
160 |
4—? eighteen |
M16×70 |
|
|
100 |
180 |
8—? eighteen |
M16×70 |
|
|
125 |
210 |
8—? eighteen |
M16×75 |
|
|
150 |
240 |
8—? twenty-two |
M20×80 |
|
|
200 |
295 |
2—? twenty-two |
M20×90 |
Structural diagram of ZSJZ welding water flow indicator
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