fire fighting wet alarm check valve
USD $98 - $480 /Set
Min.Order:10 Sets
Fujian Minshan Fire-Fighting Co., Ltd.
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Wet Alarm Valve;with ISO, CCC Certificates
Fire Fighting Wet Alarm Check Valve
SIZE | DN100 | DN150 | DN200 | DN250 |
HEIGHT mm | 350 | 410 | 550 | 620 |
Working Pressure | 1.2Mpa | 1.2Mpa | 1.2Mpa | 1.2Mpa |
Seal Test | 2.4Mpa | 2.4Mpa | 2.4Mpa | 2.4Mpa |
Strength Test | 4.8Mpa | 4.8Mpa | 4.8Mpa | 4.8Mpa |
Control way | Manual Type/ Electric Type/Guiding tube control |
Alarm Check Valves are used in wet pipe fire sprinkler systems. They primarilyserve a dual purpose in that they prevent a reverse flow of water through their bodies (non-return) and also provide for the use of a hydraulic fire alarm which is not dependent upon an electrical power supply for its operation.
Through the use of a hydraulic retard chamber a time delay is provided to eliminate potential false alarms caused;by fluctuating water supply pressures. Where constant pressure water supplies are used the retard chamber;(time delay) is not necessary. By incorporating the use of electrical pressure switches, other supplemental;alarms, annunciators, etc. may also be used.
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1 | Valve Body |
2 | control line strainer |
3 | Inlet Gage |
4 | One-way valve |
5 | reset ball valve(NC) |
6 | Solenoid Valve(NC) |
7 | control chamber pressure;gage |
8 | Automatic drain valve |
9 | Emergency manual ball valve(NC) |
10 | testing alarm bell ball valve(NC) |
11 | Alarm isolation valve ball valve (NO) |
12 | alarm pipeline strainer |
13 | Water motor alarm |
14 | pressure switch |
15 | drain valve(automatic drain) |
16 | Drain valves(NC) |
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Outstanding Service:
;Fast feedback: we promise to reply your inquiry within 24hours
;Positive cooperation with your esteemed company
;Good suggestions to your choice if necessary with our own rich experience
;OEM accepted
;Your visited to factory welcomed!
Q:; Are you a factory or trading company?
We are factory specialized on fire fighting equipment.
Q: Can I get a sample?
For certainly, please contact us for detail.
Q:; What's the terms of the payment?
T/T, L/C, Western Union, MoneyGram, etc.
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