Level Wound Coil (LWC)
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The LWC Copper Tube (Cu-Dhp 99,9%) is mostly applied to air conditioning, refrigeration and general engineering applications. LWC Copper Tube is produced according to the EN 12735-1 standard and it also complies with the ASTM B280 specifications. Level Wound Coils are especially suited to long production runs for industrial applications and it is widely applied to the Air Conditioning & Refrigeration as well as the Heat Exchanger field. Due to the large coil shape of the LWC, it allows the user to obtain pipes of different lengths. For proper delivery of coil rolls are stacked on a wooden pallet and enclosed in stretch wrap. In this way, dust and damage to the pipes are prevented.
Technical Specs of Copper Tubes | Technical Specs of Medical Tubes | |
---|---|---|
Chemical Composition | %99.9 Cu-Dhp | Manufactured According to EN 1057, EN 13348 and TSE 380 |
Conformity | EN-12735-1, ASTM B280 | Seamless, semi-hard annealed and straight pipe Electrolytic and Arsenic-free copper |
Specific Heat (at 20°C) | 0.0921 cal/g°C | The inside of the copper pipes were cleaned with Carbon Tetrachloride |
Stretch Modulus (at 20°C annealed) | 12000 kg/mm² | The relevant standard, the manufacturer’s company name and the suitability for oxygen use are permanently written on the pipes |
Thermal Conductivity (at 20°C) | 0.70-0.87 cal/cm² | The two ends of the pipes are closed with plastic plugs |
Elongation A% | A% = min 45% | |
Internal Surface | Glossy, perfectly clean conforming ASTM B-280 and EN12735-1 legislation |
Values are listed, as obtained under standard laboratory conditions and may be amended, without prior notice.
Outer Diameter | Wall Thickness (mm) | Nominal Copper Weight (kg/m) | Coil Weight (kg) | ||||
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inch. | mm | Min. | Max. | Min. | Max. | Min. | Max. |
3/16 | 4.76 | 0.35 | 0.76 | 0.045 | 0.086 | 90 | 300 |
1/4 | 6.35 | 0.35 | 1 | 0.06 | 0.152 | 90 | 300 |
5/16 | 7.94 | 0.35 | 1 | 0.075 | 0.237 | 90 | 300 |
3/8 | 9.35 | 0.35 | 1 | 0.09 | 0.256 | 90 | 300 |
1/2 | 12.7 | 0.35 | 1 | 0.123 | 0.398 | 90 | 300 |
5/8 | 15.88 | 0.4 | 1 | 0.176 | 0.423 | 90 | 300 |
3/4 | 19.05 | 0.6 | 1 | 0.315 | 0.513 | 90 | 300 |