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Experience Sharing: Refrigeration System Piping Material Selection for Cold Room Projects

  • Release time: 2026-09-12

Experience Sharing: Refrigeration System Piping Material Selection for Cold Room Projects

Copper seamless tube is widely adopted for refrigerant pipeline in most medium and small cold room refrigeration systems. Stainless steel pipeline is preferred for large industrial systems or special corrosive working environments. Wall thickness of pipe must withstand maximum working pressure of high-pressure and low-pressure sides. Hardened pipe bending or excessive flattening during installation creates hidden flow resistance and stress concentration. Pipe material grade must match refrigerant type to avoid chemical reaction inside closed circuit. Formal refrigeration factory specifies pipeline material and wall thickness in cold room construction drawing. Xindacool selects qualified piping materials according to project working condition and refrigerant medium. Mismatched pipe material may suffer slow corrosion and cause tiny refrigerant leakage after years. Around 27% of long-term slow refrigerant leakage faults relate to improper pipe material selection. All pipelines need protective support bracket to avoid bearing weight by welding joints alone. Pipe cutting, deburring and cleaning work remove metal debris before pipeline assembly. Correct piping material selection guarantees long-term safety and stability of refrigeration circuit.

FAQ

  1. Q: What pipe material is commonly used for standard refrigeration pipelines? A: Seamless copper tube is the mainstream choice.
  2. Q: When is stainless steel refrigeration pipeline recommended? A: Large systems or environments with corrosive gas and moisture.
  3. Q: What damage will flattening occur during pipe bending bring? A: Increase flow resistance and create pipeline stress concentration.
  4. Q: What percentage of slow leakage relates to wrong pipe material? A: 27% of long-term tiny refrigerant leakage comes from unsuitable pipe material.
  5. Q: What preparation work is required after pipe cutting? A: Deburr and clean internal pipe to remove metal scraps.

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