Introduction of the wet alarm valveBefore we introduce the
wet alarm valve, we should learn the Wet Pipe Sprinkler Systems,
It constantly contains water in them, which allows for a quick
reaction to a fire and is the most common type of sprinkler system
installed in buildings(high-rise or office building with a few
floors). This sprinkler system is cost efficient and low
maintenance.Wet Alarm Check Valve is the core device in wet pipe
sprinkler systems. It serves a dual purpose which prevents a
reverse flow of water (non-return) and also activates the use of
the water motor alarm. Meanwhile, in the event of variable pressure
conditions, false alarm is prevented with provision of retard
chamber at the external bypass.The installation type can be flange
or groove type.How does it workIt is opreated with flow indicator,
signal valve, pressure switch, sprinklers etc. to constitute a
widely used wet automatic fire extinguishing system. The system is
always standing by with pressure water suffusing the pipes,
activated automatically when a fire breaks out and the sprinklers
function.Advantage: It can put out fire timely with high
efficiency.Disadvantage: the pipes are always filled with
pressure water, so it may destroy the indoor environment if the
pipe leaks, thus this system is applicable to temperature range
4ºC~70ºC(39.2F~158F), or it may freeze or leak.Flange
Type&Specs.D=flange outer diameter; K=bolt hole diameter;
L=bolt diameter; n=bolt hole number; C=flange thicknessOur
Advantages1. Manufacturer direct supply with reasonable price.2.
Fully assembled in factory and convenient for customers to
install.3. Strict quality check before export.4. Customized OEM
order is accepted.5. Technical support available.6. Wide product
range of foam system and water sprinkler system.Details
show:Factory TourFAQ1. Are you a manufacturer or a trading
company?- Manufacturer, 100%, located in Nan'an City, Quanzhou,
Fujian Province, China.2. Can we pay a visit to your factory?-
Sure, we warmly welcome all customers to inspect our factory.3.
What products do you manufacture?- Wide product range of fire
fighting foam system and fire sprinkler system, such as foam
bladder tanks, foam concentrates, fire hoses, sprinkler
heads, hydrants, gate valves, alarm valves and so on. 4. What
is your sample policy?- For small items, we offer FREE SAMPLES for
sample evaluation purpose, but customers need to pay for the
shipping; For large and heavy items, we charge for the samples, but
the charge will be refunded to customer when the order quantity
reaches certain amount. 5. What is your payment method?- T/T,
L/C, Paypal, Western Union etc. 6. What is your delivery
time?- We have READY STOCK of some products(such as sprinkler
heads, hoses, hydrants etc.), which allows for quick delivery
within a week, for other items or OEM orders, the delivery
time is normally within one month. The quicker the payment from
you, the sooner the delivery time will be:)7. Which is your loading
port from China?- Xiamen port by sea or by air, and this year we
are going to launch a NEW PLANT in Shandong province, so some
products may ship from Rizhao or Qingdao port. /* March 10,
2023 17:59:20 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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