Bar-stock Service Valve

ref. Bar-stock Service Valve

Bar-stock service valves can be used in split air conditioners to connect indoor unit and outdoor unit, which can close the inner passage of the valve by operating the valve stem; it can be used as service valve during maintenance for the purpose of vacuum pumping and refrigerant injection. It can also be used in other refrigerating systems.

Air conditioning Commercial Refrigeration Heat Pump


  • Cost-effective: unique metal capture structure, ensure high quality
  • Various square shapes to meet special installation mode and flow requirements of equipment
  • Good consistency: simultaneous welding of multiple spots by tunnel furnace
  • High testing precision: products are 100% H/He inspected

General specifications

  • Applicable refrigerant: R22, R134a, R407C, R410A
  • Applicable medium temperature: -30ºC (-22ºF) ~ +120ºC (248ºF)
  • Maximum working pressure: 4.2MPa, 4.83 MPa for special square body v
  • Certification: UL