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Alarm check valve must be install vertically in wet pipe fire sprinkler system.they are designed to automatically electric and/or hydraulic alarms when there is a steady flow of water into the system that is equivalent to the discharge rate of one or more sprinklers.
The ZSFZ series wet alarm valve is a check valve that only allows water flows unidirectionally and drive the matching part to alarm at prescribed pressure and flow. It constitutes the sprinkler system with water flow inductor, pressure switch and sprinklers. This valve is divided into two sides by a valve flap. The above side is connected with system pipeline ant the underside is connected with water supply. The valve flap will open only when the pressure between the two parts reach a certain level.
Automatic fire deluge valve for fire prevention is a kind of lever-type structure with antireset function, deluge sprinkler system is widely used for various type of dry system, such as deluge alarm system ,water curtain system and water mist system.
The deluge alarm valve adopt the principle of diaphragm and non-reture, when the pipeline perssure which around diaphragm reach to balance, diaphragm will be in a closed position , when water supply system pressure excedd pipeline pressure, diaphragm will auto open a one-way check valve, and it can composited with other accessaries and become kinds of deluge alarm fire extinguisher system.
| Item | Model Number | Nominal Operating Pressure PN(MPa) | The Height of Alarm Valve(mm) | Nominal Diameter DN(mm) | Flange's External Diameter(mm) | Quantities and Diameter of Screw Holes (mm) |
| Wet System Alarm Valves | ZSFZ100 | 1.6 | 265 | 100 | 220 | 8×Ø18 |
| ZSFZ125 | 265 | 125 | 250 | 8×Ø18 | ||
| ZSFZ150 | 300 | 150 | 285 | 8×Ø22 | ||
| ZSFZ200 | 370 | 200 | 340 | 12×Ø22 |
| Item | Model Number | Nominal Operating Pressure PN(MPa) | The Height of Alarm Valve(mm) | Nominal Diameter DN(mm) | Flange's External Diameter(mm) | Quantities and Diameter of Screw Holes (mm) |
| Deluge System Alarm Valves | ZSFM100 | 1.2 | 350 | 100 | 220 | 8×Ø18 |
| ZSFM150 | 350 | 150 | 385 | 8×Ø22 | ||
| ZSFM200 | 430 | 200 | 430 | 12×Ø22 |
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We can offer high quality products with competitive price.
All our products will have been strictly quality checked before packing.
All our products have 2 years warranty.
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Good suggestions to your choice if necessary with our own rich experience.
Q1. Are you a manufacturer or trading company?
We’re a manufacturer offering high quality products with competitive price. The more you order, lower the price would be.
Q2. How about your quality?
The CCCF and ISO certificates are granted to all products.
Q3. Is OEM available?
Sure, we’re a professional manufacturer, both OEM and ODM are welcomed. Customers can order all product samples we put or you can also have your own idea, as we’re custom-made product supplier, so different colors and types are available.
Q4. Do you charge for the samples?
According to company policy, we would charge EXW price for samples, which will be refund with a successful order.
Q5. What kinds of Payment Term would you accept on our first order?
We accept L/C, T/T, Western Union, and MoneyGram.
Q6. How to shipping the goods to customer?
DHL, UPS, FedEx, EMS, oversea shipment or other forwarder are acceptable.
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