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Grooved Metal Hose

Grooved Metal Hose

This flexible connection combines grooved quick-installation with stainless steel corrugated steel and braided mesh sleeves. It requires no welding, offers fast installation, and is temperature and pressure resistant. Ideal for fire protection, HVAC, water supply and drainage, and pump rooms.

Grooved Metal Hose
Grooved Metal Hose
Grooved Metal Hose
Grooved Metal Hose
Grooved Metal Hose

Structural Composition

1. Stainless Steel Corrugated Pipe (Inner Pipe): 304/316L, annular/spiral corrugated, offering good flexibility and temperature and pressure resistance.

2. Stainless Steel Braided Mesh Sleeve: 304 steel wire braiding, enhancing pressure resistance, preventing corrugated pipe bursting, and resisting vibration.

3. Grooved Joints (Both Ends): Carbon steel/stainless steel grooved ends, rolled butt joints, requiring no welding or flanges.

4. Sealing Rings: NBR/EPDM, C-shaped triple seal, leak-proof under high pressure.

Working Principle

Grooved-metal-hose-10

Flexible Compensation: Absorbs axial ±20–50mm, lateral ±10–30mm, and angular ≤15° displacement caused by corrugated pipe expansion and contraction.

Vibration and noise reduction: Isolates water pump/equipment vibration, reducing noise by 20–30dB, protecting pipelines and valves.

Groove sealing: Groove clamps tighten the rubber ring; the higher the pressure, the tighter the seal, ensuring quick installation and a secure seal.

Core Advantages

1. Super-fast Installation: Grooved clamp connection, 3 steps, 8 minutes to complete, no welding, no flanges/bolts required.

2. Cost-effective and Material-saving: No flanges/bolts/gaskets required, reducing costs by 40%+.

3. Temperature and Pressure Resistance: PN10/16/25 (maximum 2.5MPa), -20℃~250℃, suitable for steam/hot water.

4. Vibration and Crack Resistance: Braided mesh sleeve + corrugated pipe, resistant to water hammer and vibration, lifespan 15+ years.

5. Space-friendly: Short length, no flanged outer edge, suitable for narrow spaces/ceiling pipes.

 

Applicable Scope

1. Fire Protection Systems: Sprinkler/fire hydrant pipes, fire pump inlet and outlet, vibration-resistant and leak-proof.

2. HVAC/Air Conditioning: Circulating water pipes, cooling tower/unit connections, vibration reduction and noise reduction.

3. Water Supply and Drainage/Pump Rooms: Pump inlet and outlet, long straight pipe sections, valve connections. 4. Municipal/Sewage: Low-pressure sewage pipelines, chemical dosing pipelines, and pipelines operating under high vibration conditions.

5. Industrial Pipelines: Petrochemical, metallurgical, and power industries; suitable for high-temperature, high-pressure, and vibration environments.

 

Installation Points

1. Pipe Grooving: Groove the pipe end to a standard groove, ensuring it is clean and free of burrs and oil.

2. Socket Fitting: Insert the grooved end of the flexible hose into the pipe groove, aligning it with the clamp.

3. Clamp Tightening: Secure the stainless steel grooved clamp tightly, tightening the bolts evenly diagonally to ensure a leak-proof seal.

4. Unrestricted Flow Direction: Can be installed horizontally or vertically; no directional restrictions on the medium.

5. Anti-Pull-Off: Install a limit rod/anti-pull-off clamp at the high-pressure/pump outlet.

 

Technical Specifications

caliber Installation length(mm)
DN65 300
DN80 300
DN100 300
DN125 300
DN150 300
DN200 300
Datas above are only for reference, pls contact us for exact data!

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