Check Valve, Ball Valve & Globe Valve for Refrigeration Pipeline

Check Valve, Ball Valve & Globe Valve for Refrigeration Pipeline

Check valve (one-way valve): allows refrigerant flow only in one direction, prevents reverse flow when pressure reverses. Typical application: hot gas defrost return line, parallel compressor discharge manifold, avoid high pressure gas backflow. Spring check valve is used for refrigeration system; low cracking pressure type for low flow circuit. Ball valve: full bore, small flow resistance, used as maintenance isolation valve, for refrigerant circuit cut-off during overhaul. Globe valve: fine throttling capability, big flow resistance, used for manual balance adjustment of oil return or hot gas branch. Xiteliduo rack system configures ball valve at inlet/outlet of each circuit for convenient single-circuit maintenance. Check valve cannot be installed horizontally in some low-temperature oil circuit; wrong orientation leads to oil accumulation. Ball valve is not designed for flow regulation; long-term half-open position will damage sealing ball seat. All refrigeration valves must match refrigerant and pressure grade; ordinary water valve cannot replace refrigeration dedicated valve. Refrigeration maintenance & repair company uses ball valve to isolate faulty circuit, keep other cold room circuits running.

FAQ

1. What is check valve? One-way valve, block reverse refrigerant flow.
2. Where is check valve widely used? Hot gas defrost pipeline and parallel compressor discharge.
3. What is ball valve mainly used for? Isolation cut-off for maintenance.
4. Can ball valve be used for long-term flow throttling? Not suggested, easy to damage sealing seat.
5. What valve is suitable for fine manual flow adjustment? Globe valve.
6. What spring check valve parameter matters for low temp circuit? Low cracking pressure.
7. Can water pipeline valve replace refrigeration valve? Forbidden, pressure and medium mismatch.
8. What benefit of independent ball valve per circuit? Isolate fault circuit without shutting down whole rack.