The valves like PE 4 way valves,But we have patent and supply to Carreri,York,DB,Harier,LS,Daikin,Midea.Also we can supply RANCO Product Introduction: The valves like PE 4 way valves,But we have patent and supply to Carreri,York,DB,Harier,LS,Daikin,Midea. Refrigerant apply:R134A,R22,R410a,R404,R12,R407C, 1 All connections are copper welded. 2 Available full-size porting maintains unrestricted gas ...