SCA
  • ZENGO INTERNATIONAL LTD.
  • product brand:CONTROA
  • رقم الكشك:W4B20
  • product specification:R717 R744
  • product category:制冷设备-制冷系统设备和配件-阀
  • product introduction:RefrigerantsApplicable to HCFC, HFC, R717 (Ammonia).R744 (CO,), Propane, Butane, lso-Butane andEthane. R717 Heat Pump and Propylene applicationswith replaced O-ring.