Air Conditioner Valve is a important element of the split air conditioning, which connect, open or close the refrigerant liquid line, vacuumize and charge refrigerant between the outdoor unit and indoor unit.Features: @ Applicable for R22, R407C, R410A, R134A etc @ Applicabel for the compressor power from 0.75-5HP @ Operating temperature: -30º C--+120º C @ Maximum operating pressure: 4.2Mpa TYPETube(in)RemarkSV-021/4"with two nutsSV-033/8"SV-041/2"SV-055/8"SV-063/4"