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Cerrar X

DN4

The QUADRA DN4 flexible hose, are the ideal solution for equalizing and oil return lines. The QUADRA DN4 hoses have an internal diameter of 4 mm and therefore they can substitute copper rigid tubing of OD 6 mm or 1/4”. The QUADRA DN4 hoses can be easily assembled with suitable fittings and crimped using the specific hydraulic crimper RXA005, or the all new QUADRA CRIMP RXA006/RXA008, otherwise a possible alternative is to use special reusable fittings where there are installations where special crimping tools are not available. The QUADRA DN4 hose can also be used, at the choice of the user, also for connection to the pressure gauges, pressure switches and test points as with QUADRA DN2. Already assembled hoses are available under request.

Advantages:

• SPEED UP the assembly procedure.

• ABSORB the VIBRATION of the compressor.

• REDUCE the NOISE.

• Exceeds EN 1736 CLASS 1.

• CO2 compatibility with working pressure up to 120 bar.

• UV resistant.

• RoHS compliance.

• Minimum CO2 emissions thanks to its incredible low permeability.

• Permitted with HCFC, HFC & CO2.

QUADRA DN4 Thermoplastic hose

We recommend choosing orange QUADRA DN4 for the high pressure circuits and the black colour for the low pressure circuits, to reduce the possibilities of misconnections of the two pressure lines of the machine during production and maintenance. 

• Interior diameter I.D. (mm): 4.

• Outer diameter O.D. (mm): 6,1.

• Connections: 1/4" & 3/8" SAE.

• Maximum allowable pressure (bar): 120.

• Minimum bursting pressure (bar): 600.

• Allowable temperature Min.ºC / Max. ºC: -45 / +130.

• Minimum bending radius (mm): 25.

• Coils of 50 m.

1/4 SAE straight female fitting

• 100% brass corrosion free & extremely solid swivel nut.

• Copper gaskets included.

• Box: 50 pcs.

1/4 straight female fitting + valve opener

• 100% brass corrosion free & extremely solid swivel nut.

• Copper gaskets included.

• Box: 50 pcs.

3/8 SAE straight female fitting

• 100% brass corrosion free & extremely solid swivel nut.

• Copper gaskets included.

• Box: 50 pcs.

1/4 SAE female elbow 90º

• 100% brass corrosion free & extremely solid swivel nut.

• Copper gaskets included.

• Box: 50 pcs.

3/8 SAE female elbow 90º

• 100% brass corrosion free & extremely solid swivel nut.

• Copper gaskets included.

• Box: 50 pcs.

“T” FITTING

• Brass ferrules corrosion free & steel "T" fitting.

• Box: 50 pcs.

“T” FITTING WITH 1 FEMALE 1/4 SAE

• Brass ferrules corrosion free & steel "T" fitting.

• 100% brass corrosion free & extremely solid swivel nut.

• Copper gaskets included.

• Box: 50 pcs.

“T” FITTING WITH 1 FEMALE 1/4 SAE

• Brass ferrules corrosion free & steel "T" fitting.

• 100% brass corrosion free & extremely solid swivel nut.

• Copper gaskets included.

• Box: 50 pcs.

1/4 SAE straight male

• 100% brass corrosion free.

• Box: 50 pcs.

Cooper brazing fitting

• Sizes: 4 x 6 x 100 (mm).

• Box: 50 pcs.