Audited Supplier
Split Air Conditioner Insulated Copper Connecting Tube
1. Inside cleaned copper tubes for refrigerant gas and closed at the extremities.
2. Phosphorus deoxidized soft temper copper pipe DHP99.9 (C12200)
3. Dimensions and features according to AS TM B280, EN 12735-1, AS1571, JIS 3300
Insulation Properties:
1.Extruded and closed cell white polyethylene with a white outside PE-protection layer
2.Average Density: 33Kg/m3
3.Heating conduction at 0°C 0.033W/mK
4.Working temperature from -40°C until +120°C
5.Vapour resistance: μ>5000
6.White external non toxic and resistance to external chemical agents and ultra -violat rays
7.RoHS Certificate approved
Technical standard of copper aluminum connecting pipe:
(1)Welding point: no pores,cracks,slag,burrs and burn,not fusion,no obvious oxide film,no plug hole without significantly reduced(Φ6.3hole is larger than 3.0mm);
(2)Air tightness: using a high pressure for 4.0MPa pressure for 5 minutes, no leakage;
(3)Pressure: after the air tightness check is qualified, slowly press the pressure to 13MPa,keep for 1 minute, without any cracks ;
(4)Bending: The sample is bent into a curved core diameter of 2 times than the nominal diameter of the pipe,after bending 180 degrees, the pipe does not produce wrinkles and cracks;
(5)Tensile strength: The tensile strength is at 65-118mpa, the pull part is on the side of the aluminum pipe, and the weld is above 10mm;
(6)KTG: Shrink good, sealed accessories have been melted, completely wrapped in copper aluminum joints, the seal can not turn.
Pair Coil Description Copper tube outside diameter x wall thickness | Insulating thickness | |
(Inch) | (mm) | (mm) |
1/4-3/8 | 6.35*0.80-9.53*0.80 | 9 |
1/4-1/2 | 6.35*0.80-12.70*0.80 | 9 |
1/4-5/8 | 6.35*0.80-15.88*1.00 | 9 |
3/8-1/2 | 9.53*0.80-12.70*0.80 | 9 |
3/8-5/8 | 9.53*0.80-15.88*1.00 | 9 |
3/8-3/4 | 9.53*0.80-19.05*1.00 | 9 |
1/2-3/4 | 12.70*0.80-19.05*1.00 | 9 |
As we continue to strive for excellence, we currently have 30,000 square meters of manufacturing space, more than 220 workers, and a projected sales income of $40 million USD in 2021.
Our core competitiveness has continuously increased as a result of the invaluable knowledge gained from serving our key clients, including Midea, Johnson Control, Panasonic, and others. Our strengths include our ability to react to changing customer needs, efficient production, and quality control. In the meantime, working together with our clients to deliver tailored solutions and implement strategic cost reduction is seen as both a service and a competitive advantage.
Q1: How long can i get the feedbacks after we sent the inquiry?
A1: We will reply you within 24 hours in working day.
Q2: Are you a direct manufacturer or trading company?
A2: We are a professional HVAC fitting production factory, also we have our owninternational trade department, we produce and sell all by ourselves.
Q3: What products can you offer?
A3: Products are mainly divided into following categories: Stainless Steel Pipes and Fittings,Aluminum Tube Fittings & Aluminum Pipe Tee Fittings,HVAC Brass Pipes and Fittings,HVAC Duct Fittings,HVAC Pneumatic Fittings,HVAC Flare Fittings,HVAC Compression Fittings and a variety of customized fittings
Q4: What applications do your products relate to?
A4: For Pipe, potable water, air conditioning and refrigeration systems
Q5: Can you do customized products?
A5: Yes,we are mainly doing customized products according to the customers' drawingsor samples.
Q6: How to guarantee the quality of your goods?
A6: We will do the inspection after every process.For the finished products,we will do100% inspection according to the customers'requirements and the internationalstandard.
Q7: What's the payment term?
A7: When we quote for you,we will confirm
