ACR Pipe MASS Korea – 1 3/8” Copper Tube
1 3/8” ACR copper pipe is a very large refrigeration-grade suction line, used in commercial HVAC systems, VRF networks, chillers, and industrial refrigeration plants. MASS Korea ACR tubing is typically supplied as ASTM B280 hard-drawn copper, nitrogen charged and sealed to keep the inside clean and dry.
Key Specifications
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Outside Diameter: 1 3/8” (34.92 mm)
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Material: C12200 seamless refrigeration copper
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Standard: ASTM B280 (ACR grade)
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Condition: Hard-drawn, nitrogen charged, capped ends
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Typical wall thickness: ~0.050” – 0.065” (varies by brand)
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Application: Large capacity HVAC / chiller suction lines
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Refrigerants: R22, R410A, R134a (system dependent)