The unique design enables the stop valves to be properly and correctly coupled without the use of torque wrenches and prevents inadvertant uncoupling.Repeated coupling and decoupling without evacuation / refilling of components and without lengthy interruptions to the functions of the refrigerant and air conditioning systems.Reduction of effort in case of guarantee or warranty or at the replacement of components.Saving of time and technical equipment at installations of new facilities as well as at the maintenance.                                              

Currently we total have 4 generations of the self-closing companion valves for different system.                                         

GI: Particularly suitable for the efficient, safe, and environmentally conscious use of refrigerants in air conditioning systems and heat pumps with HFC, PFC.                                 

GII and GIII:particularly suitable for the efficient, safe and environment-ally conscious handling of refrigerants in refrigerated cabinets, vending machines and small refrigeration systems with HFC, PFC and Hydrocarbons.                                        GIV:universally suitable for the efficient, safe and environmentally conscious use of refri-gerants in refrigeration, air conditioning and heat pump technology with HFC, PFC