NANYA Air-conditioner Service valve is used to cut off and connect the pipe line between indoor machine and outdoor machine of a separately set air conditioner. It may vacumize the system and fill in cold-producing medium. Nanya Service Valves permit testing the condition of the air conditioning system and permit removal, replacement, or additions to the refrigerant in the system. Suitable nominal pressure is 3Mpa,service temperature ranges from -20℃ to 120℃ It has a good airtightness. At present, the company is supplying nearly 1 million valves in the air conditioner industry in India. Products include 2way and 3way type, connection dimension from 1/4\" to 7/8\" .