Used for extinguishing ordinary solid material fires and auxiliary cooling.
Non-shutoff type consists of coupling, barrel, and nozzle. Shutoff type includes valve; adjustable type includes spray ring for straight/ fog stream adjustment.
Operate within rated pressure, avoid twisting, sharp bends, sharp objects, chemicals, and heavy loads. Clean, dry, and store in cool dry place after use.
5
Fire Hose Accessories
Includes hose repair clamp, hose hook, and hose bridge.
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Hose repair, suspension, and protection.
Keep clean and inspect for damage regularly.
6
Storz Coupling (Snap-type Coupling)
Used for connecting hoses, fire trucks, hydrants, and nozzles.
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Quick hose connection.
Handle carefully, avoid deformation, inspect sealing spring and gasket, keep away from chemicals and heat sources.
7
Internal Lug Coupling
Used for connecting hoses, fire trucks, hydrants, and nozzles.
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Hose system connections.
Handle carefully, inspect gaskets, avoid chemicals and heat exposure.
8
Reducing Coupling
Converts between different diameters such as 50mm, 65mm, 80mm.
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Diameter conversion in hose systems.
Handle carefully, inspect gaskets, avoid chemicals and heat.
9
Adapter Coupling
Used to connect snap-type couplings and internal lug couplings. Composed of one internal lug coupling and one female snap coupling.
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Coupling adaptation.
Handle carefully, inspect gaskets regularly, avoid chemicals and heat.
10
Water Distributor / Siamese Divider
Mainly composed of body, control valves, threaded couplings, and sealing rings.
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Splitting one water source into multiple hose lines.
Check sealing rings and valve flexibility before use. Clean, dry, and lubricate after use.
11
Fire Suction Hose
Used by fire pumps or fire trucks to draft water from natural sources or outdoor hydrants. Composed of inner rubber layer, reinforcement layer, and outer rubber layer.
Diameters: 50mm, 65mm, 80mm, 90mm, 100mm, 125mm, 150mm. Common size: 100mm. Working pressure: 0.3MPa, 0.5MPa. Straight type lengths: 2m, 3m, 4m. Coil type lengths: 8m, 10m, 12m.
Water drafting.
Store in cool, dry, ventilated area. Avoid sunlight, rain, chemicals, and heat sources. Inspect regularly to prevent aging.
12
Suction Hose Accessories
Includes suction hose couplings, strainers, and suction hose wrenches. Strainers prevent debris from entering pumps; wrenches are typically made of carbon steel.
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Suction system connection, filtration, and installation.
Keep clean, inspect regularly, prevent rust and damage.
Conclusion
Water discharge and water supply equipment form the core of firefighting water delivery systems. From nozzles and foam branch pipes to hoses, couplings, distributors, and suction accessories, each component plays a vital role in ensuring efficient water transport, precise fire suppression, and reliable operational safety. Proper operation, routine inspection, cleaning, lubrication, and correct storage are essential to maintain equipment performance and extend service life during emergency firefighting operations.
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