1.Refrigerant:HCFC&HFC 2.Suitable medium temperature: -25 to 120aa 3.Maximum working pressure:3 Mpa 4.Reliable performance Product parameters:1, Charge valve is an one-way troubleshooting valve with valve inside.2, Charge valve is used for each part of freezing refrigeration and air control equipment.Characteristics:1, Adopt import valve inside, with reliable performance.2, ouble seel is ...