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Copper Tube

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Copper Tube

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PANCAKE COPPER TUBES
FOR AIR CONDITIONING

Reliable Cooling. Lasting Performance.

ENGINEERED FOR EFFICIENCY. TRUSTED BY PROFESSIONALS.

VFRO Copper Tubes are manufactured from premium grade copper to ensure excellent thermal conductivity, superior corrosion resistance and long service life in all air conditioning and refrigeration systems.

COPPER TUBES
  • Soft, Annealed & Clean Copper
  • High Thermal Conductivity
  • Ideal for AC & Refrigeration
  • Available in Various Sizes
  • IS Standard & International Quality Compliant
NRV (NON-RETURN VALVE) FOR REFRIGERANTS FILLING

Freezon NRV ensures one-way flow of refrigerant during charging operation. It prevents backflow, protects your vacuum pump and filling equipment, and ensures safe and efficient service.

ONE-WAY FLOW

Prevents backflow and
protects your system.

HIGH RELIABILITY

Engineered for accurate performance.

DURABLE CONSTRUCTION

Made from premium materials for long service life even in harsh conditions.

EASY TO INSTALL & USE

Compact, lightweight and easy to connect with standard charging hoses.

AC
TECHNICIANS

REFRIGERATION
SERVICE CENTERS

HVAC
PROFESSIONALS

GAS FILLING
UNITS

VFRO Copper Average Weight Calculation Sheet

SIZE DESCRIPTIONS AVERAGE EACH ROLL WEIGHT ROLL IN BOX AVERAGE BOX WEIGHT
1/2″ 12.7 mm Thickness 0.62 mm * 15.24 MTR 3.14 5 15.7
1/4″ 6.35 mm Thickness 0.48 mm * 15.24 MTR 1.18 10 11.8
5/8″ 15.88 mm Thickness 0.65 mm * 15.24 MTR 4.24 4 16.95
3/8″ 9.52 mm Thickness 0.58 mm * 15.24 MTR 2.19 8 17.55

NRV – Access Valve

WEIGHT THICKNESS LENGTH
18–18.5 grams 0.35 mm Approx. 92–100 mm Can be customized according to buyer’s request.

COPPER TUBE - DHP GRADE 2 - HARD DRAWN
SIZE - OD6.35 MM X WT0.35 MM X L-8 FEET

NO. PARAMETER SPECIFIED OBSERVED VALUE RESULT
1 DIMENSION & TOLERANCES
Outside Diameter 6.35 ± 0.05 MM 6.34–6.36 OK
Wall Thickness 0.35 ± 0.03 MM 0.34–0.38 OK
Coil / Length 2438 ± 5.0 MM 2438–2441 OK
2 CHEMICAL COMPOSITION (GRADE-2)
Cu + Ag 99.90% MIN 99.97 OK
P % 0.015–0.040% 0.030 OK
3 MECHANICAL TESTING
Tensile Strength 290 MPa Min. 351.83 OK
4 ELONGATION % NA NA -
5 EDDY CURRENT TEST NO POROSITY SATISFACTORY OK
6 HYDROSTATIC TEST At pressure 7 MPa hold for 5 sec – No Leakage SATISFACTORY OK
7 PNEUMATIC TEST At min. air pressure 0.45 MPa hold for 5 sec – No Leakage NO LEAKAGE OK
8 RESIDUE TEST Residue 0.038 g/m² Max 0.030 OK
9 FLATTENING TEST (After Annealed) Free From Cracks SATISFACTORY OK
10 DRIFT EXPANDING TEST (After Annealed) Free From Cracks SATISFACTORY OK