
Dry Pipe Sprinkler System Alarm Valve
SANJING FIRE dry pipe sprinkler system alarm valve is an important component of a fire protection system that is designed to automatically detect and respond to a fire in a building.
SANJING FIRE dry pipe sprinkler system alarm valve is an important component of a fire protection system that is designed to automatically detect and respond to a fire in a building. It is typically installed in the air supply piping of a dry pipe sprinkler system, which uses compressed air to hold back water from the sprinkler heads until a fire is detected.
When a fire is detected, the alarm valve will automatically open to release the compressed air from the system, allowing the water to flow through the sprinkler heads and extinguish the fire. At the same time, the alarm valve will trigger an alarm to alert building occupants and the fire department of the emergency.
Dry pipe sprinkler systems are often used in areas where the temperature drops below freezing, as the pipes are filled with air instead of water, which could freeze and cause damage to the system. The alarm valve is a critical component of the system, as it ensures that the water is released only when it is needed, minimizing potential water damage and reducing the risk of false alarms.
In addition to its primary function of releasing water in the event of a fire, the dry pipe sprinkler system alarm valve may also have additional features such as a pressure gauge or tamper switch, which can provide additional information or control over the system.
Parameter
1) Size: DN50 / DN65 / DN80 / DN100 / DN125 / DN150 / DN200 / DN250
2) Flange holes match to: PN16 / BS4504 / EN1092 / DIN2502 / ANSI150lb
3) Rated working pressure: 1.6MPa / 16bar / 235psi
4) Material: ductile cast iron body, rubber seal, galvanized accessory pipe, brass accessory valves
5) With all fittings include water motor bell, pressure switch, pressure gauge, solenoid valve etc.
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Size |
DN80 |
DN100 |
DN125 |
DN150 |
DN200 |
DN250 |
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Starting Time (s) |
≤15 |
≤60 |
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Friction Resistance |
≤0.07 |
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Height of Alarm Valve (mm) |
330 |
350 |
430 |
500 |
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Outside Diameter of Flange (mm) |
200 |
220 |
250 |
285 |
340 |
405 |
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Diameter Between Flange Screw Hole (mm) |
160 |
180 |
210 |
240 |
295 |
355 |
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Diameter of Flange Holes (mm) |
8 |
12 |
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Quantity of Screw Hole |
18 |
22 |
26 |
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Q&A
Q: Can you provide the FBA shipping service?
A: Yes, we have the good experience in providing the professional FBA service.
Q: What’s your tem of the delivery?
A: Our ordinary delivery term is FOB Xiamen. We also accept EXW, CFR, CIF, DDP, DDU etc. We’ll offer you the shipping charges and you can choose the one which is the most convenient and effective for you.
Q: Which shipping way can you provide?
A: We can provide shipping by sea, by air and by express.
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