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Automatic Sprinkler Fire Valve Fire Extinguishing Flange Fire Hydrant Gate Valve

Automatic Sprinkler Fire Valve Fire Extinguishing Flange Fire Hydrant Gate Valve

Automatic Sprinkler Fire Valve ISO 14001 QT450

Automatic Sprinkler Fire Hydrant Gate Valve QT450

Flange Fire Hydrant Gate Valve QT450

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ISO 9001/ISO 14001/ISO 45001

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Product Details
Nominal Pressure:
Nominal Diameter:
Operating Temperature:
Applicable Media:
Water, Gas, Oil
Payment & Shipping Terms
Minimum Order Quantity
One Set
USD&Price Negotiable &Set
Packaging Details
Determine according to the actual situation
Delivery Time
Price Negotiable
Payment Terms
Supply Ability
100000 units&Month
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Product Description

Automatic Sprinkler Fire Extinguishing Fire Signal Gate Valve Flange Type



 I. Overview


    In addition to the advantages of elastic seat sealing gate valve, fire gate valve can intuitively display the degree of valve opening, take corresponding measures in time, open and close, so it is often used in fire protection systems. Widely used in: chemical, petrochemical, petroleum, papermaking, mining, electric power, liquefied gas, food, pharmaceutical, water supply and drainage, municipal, mechanical equipment supporting, electronic industry, urban construction and other fields.


2.Main overall dimensions


DN D K n-Φ d f c l h
DN50 165 125 4-Φ19 99 2.5 19 176 226
DN65 185 125 4-Φ19 118 2.5 19 189 290
DN80 200 160 8-Φ19 132 2.5 19 203 320
DN100 220 180 8-Φ19 156 2.5 19 230 354
DN125 250 210 8-Φ19 184 2.5 19 258 413
DN150 285 240 8-Φ23 211 2.5 19 268 447
DN200 340 295 12-Φ23 266 2.5 20 292 537


Automatic Sprinkler Fire Valve Fire Extinguishing Flange Fire Hydrant Gate Valve 0






 3. Use and maintenance


    Fire gate valves are often used in automatic sprinkler fire pipeline systems, rotating handwheels to control the opening and closing of water sources in water supply pipelines.



4. Installation:


(1) Handwheels, handles and transmission mechanisms are not allowed to be used for lifting, and collisions are strictly prohibited.


(2) Before installation, check whether the product model, tag and specification are consistent, and check whether the parts of the whole machine are defective and loose.


(3) Before installation, the pipeline should be cleaned, and there should be enough straight pipe section at the valve inlet, and equipped with a filter.


(4) The installation site should consider the comprehensive personnel and equipment, even if it is operated, it is conducive to disassembly and maintenance.


(5) The signal box is connected to the fire protection system circuit.


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