Pre-Action Alarm Valve
SANJING FIRE Pre-action automatic sprinkler systems are usually composed of pre-action devices (pre-action alarm valves, control devices, air pressure maintaining devices, air supply devices, etc.), transmission systems, pipe networks, closed sprinklers, water source control valves, and signal valves.
SANJING FIRE Pre-action automatic sprinkler systems are usually composed of pre-action devices (pre-action alarm valves, control devices, air pressure maintaining devices, air supply devices, etc.), transmission systems, pipe networks, closed sprinklers, water source control valves, and signal valves.
Parameter
|
Model |
DN80 |
DN100 |
DN125 |
DN150 |
DN200 |
DN250 |
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Inside Nominal Diameter (mm) |
80 |
100 |
125 |
150 |
200 |
250 |
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Rated W.P. (MPa) |
1.2Mpa |
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W.P. Range (MPa ) |
0.14～1.2MPa |
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Sealed Test (MPa) |
2.4Mpa |
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Strength Test (MPa) |
4.8Mpa |
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Working Temperature (℃) |
0-70 |
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Gas Pressure in System Side (MPa) |
0.03～0.05 |
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Friction Resistance (Mpa） |
≤0.08 |
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Alarm Gong Bell Loudness (dB) |
≥70 |
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|
Height of Alarm Valve (mm) |
600 |
600 |
690 |
700 |
890 |
1060 |
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Outside Diameter of Flange (mm) |
200 |
220 |
250 |
285 |
340 |
405 |
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Inside Diameter of Flange Screw Hole (mm) |
160 |
180 |
210 |
240 |
295 |
355 |
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Diameter of Screw Hole (mm) |
8 |
12 |
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Quantity of Screw Hole |
18 |
22 |
26 |
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Q&A
Q: Are you a factory or trading company?
A: We are a firefighting equipment manufacturer established over 30 years
Q: What packaging do you use for this product?
A: We can pack this alarm valve separately in a wooden box
Q: Can you do our own packaging?
A: Yes, We have own designer can help packaging and products completely according to your brand
Q: What is your delivery time?
A: We have our foundry, so we can shorten our production days, about 20 days
Popularni tagovi: pre-action alarm valve, China pre-action alarm valve manufacturers, suppliers, factory
