Pancake Copper Coil

Pancake copper coils (PC) are manufactured from 99.9% high-purity copper, ensuring high durability, excellent pressure resistance, and efficient thermal conductivity.
The product is ideal for air conditioning systems and industrial refrigeration applications.

✔ High-purity copper – excellent heat transfer
✔ High pressure resistance for modern HVAC systems
✔ Superior durability and long service life
✔ Compatible with R410A / R32 refrigerants

Technical Specifications

Standards	ASTM B280 / JIS H3300
Material	High purity copper ≥ 99.9%
Type	Coil (Pancake Coil)
Cleanliness	Class 0 / Class 1
Refrigerants	R22, R410A, R32, HFO

Additional Technical Data

Outer diameter (OD) tolerance: compliant with ASTM B280
Wall thickness tolerance: according to standards
Internal cleanliness: strict control of oil and impurities
Working pressure: suitable for modern HVAC systems

Classification (Class 0 & Class 1)

Class 0:
Premium product line designed for industrial air conditioning systems using high-pressure refrigerants such as R410A and R32.
Class 0 copper tubes comply with ASTM B280 standards for refrigeration applications.

Minimum wall thickness:

OD 6.35 mm: ≥ 0.76 mm
OD 9.52 mm / 12.70 mm: ≥ 0.81 mm
OD 15.88 mm / 19.05 mm: ≥ 0.89 mm

Class 1:
High-cleanliness copper tubes with strict impurity control, suitable for HVAC and refrigeration systems requiring stable and reliable performance.
Widely accepted in both domestic and international markets.

Standards: ASTM B68 (USA) and JIS H3300 (Japan)