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ZSXF-D wet alarm valve
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Product details
ZSXF-D Wet Alarm Valve Productpurpose】
The ZSXF-D wet alarm valve device, along with pressure switches, water flow indicators, sprinkler heads, signal butterfly valves, end water testing devices, sprinkler pumps, etc., constitute the ZS series wet automatic sprinkler fire extinguishing system, which is currently widely used as an automatic sprinkler fire extinguishing system.
ZSXF-D Wet Alarm Valve Product Features
ZSXF-D wet alarm valve is a one-way valve that only allows water to flow into the sprinkler system in one direction and alarms at a specified flow rate. Used for wet fire extinguishing systems filled with water in the pipeline network, the system is in standby mode for a long time, and the pipeline network is filled with pressurized water. When a fire occurs in a certain area within the protected zone, one or more nozzles work, and this valve automatically opens to allow water to continuously flow towards the fire area. Simultaneously activate the hydraulic alarm bell, and the pressure switch emits an alarm signal.
ZSXF-D wet alarm valve
1) Wet alarm valve: Only allows water to flow in one direction into the sprinkler system and alarms at the specified flow rate.
2) Delay device: Delay the action time of the hydraulic alarm bell to reduce false alarms caused by water pressure fluctuations.
3) Hydraulic alarm bell: a hydraulic driven alarm device that can make a sound after the system is started.
4) Pressure switch: After the alarm valve is activated, the pressure switch activates to connect the electrical contacts.
5) Alarm bell valve: It is normally open in response state and can only be closed during inspection, maintenance, and repair.
6) Trial alarm bell valve: This valve should only be opened during debugging and maintenance to determine the working condition of the system.
7) Drain valve: Drain the remaining water in the pipeline network after the valve for maintenance or replacement of the nozzle.
ZSXF-D Wet Alarm Valve Performance Parameters
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Model specifications |
ZSFZ100 |
ZSFZ125 |
ZSFZ150 |
ZSFZ200 |
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Nominal diameter (mm) |
DN100 |
DN125 |
DN150 |
DN200 |
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Rated working pressure (MPa) |
1.2 |
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Strength test pressure (MPa) |
4.8 |
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Action flow rate (L/min) |
15＜Q＜60 |
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Delay time (s) |
5＜t＜90 |
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Friction (MPa) |
＜0.02 |
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Alarm Bell Loudness (DBCA) |
＞80 |
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【ZSXF-D wet alarm valveAppearance and connection dimensions
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PRODUCT MODEL
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Nominal Diameter
(mm)
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Connection related parameters
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Dimensions (mm)
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Number of bolts
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Bolt specification
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Center distance of flange screw hole mm
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A
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B
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ZSXF-D-80
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80
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4
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M16
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Φ145
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250
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280
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ZSXF-D-100
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100
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8
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M16
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Φ180
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270
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600
|
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ZSXF-D-150
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150
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8
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M20
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Φ240
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365
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665
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ZSXF-D-200
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200
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12
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M20
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Φ295
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465
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730
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【ZSXF-D wet alarm valveStructural image
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