FAQ

Copper Sleeve

• What is a copper sleeve?

  A copper sleeve is a precision cylindrical part made of high-purity red copper T2 / C11000. Used for pipe connection, sealing and protection in HVAC, refrigeration, electrical and mechanical equipment.

• What material do you use?

  All sleeves are made of high-purity red copper T2, with good ductility, corrosion resistance and pressure resistance.

• What are the application scenarios?

  Refrigeration, air conditioning, water pipe, gas pipe, electrical connectors, wiring harness and industrial machinery.

• Do you support customization?

  Yes, custom size, wall thickness, shape, tin plating and nickel plating are available.

• What is your advantage?

  Factory direct sales, high-precision size, burr-free, leak-proof, stable quality and competitive price.

Copper Capillary Tube

• What is copper capillary tube?

  It is thin precision red copper tube, mainly used for throttling, pressure reduction and liquid control in refrigeration systems.

• Material?

  T2 high-purity red copper, good thermal conductivity, soft and easy to bend without cracking.

• Application?

  Refrigerator, air conditioner, freezer, medical equipment, laboratory instruments and fluid control.

• Size range?

  Complete specifications, inner diameter 0.3mm–6.0mm, customizable length and wall thickness.

European Flared Copper Ferrule

• What is flared copper ferrule?

  European standard flared end copper fitting, made of pure red copper, for leak-proof pipe connection.

• Feature?

  Standard European size, smooth flared end, high tightness, pressure resistant and no leakage.

• Refrigerant compatible?

  Compatible with R22, R410A, R32, R134a and other common refrigerants.

European Cut Tube

• What is European cut tube?

  Precision cut copper / aluminum tube with burr-free neat end, comply with European installation standard.

• Material option?

  T2 red copper and aluminum alloy for different working pressure needs.

• Processing service?

  Fixed length cutting, deburring, chamfering, flaring and custom processing.

Copper Coil Tube

• What is copper coil tube?

  Soft annealed red copper tube in coil type, long continuous length for flexible installation.

• Advantage?

  Less connector, low leakage rate, soft bendable, excellent thermal conductivity.

• Application?

  Air conditioning, refrigeration, solar energy, heating, water supply and heat exchanger.

General Questions

• Do you provide OEM & ODM?

  Yes, OEM, ODM, custom drawing, custom sample and private packaging are acceptable.

• What’s the delivery time?

  Standard goods in stock 3–7 days; customized order 15–30 working days.

• Quality certificate?

  ISO9001 certified, meet ASTM B152 / ASTM B280 standard, inspection report available.

• How to get quotation?

  Send us size, quantity, application and special requirements, we reply within 24 hours.