... expansion valve : 1.high quality 2.competitve price Refrigerant:R12,R22,R134A,R410A,R407C,R502,R507 TypeCapacity(tons) Inlet connectionOut connectionNorminalR12 Internal equalizerFF-1 ... -C0.491/4"x3/8"(or 1/2")SAEFV-1-C1.093/8"x1/2"SAEFV-1 1/2-C1.743/8"x1/2 ... .57/8"x1 1/8"ODFOVE-15-C15.57/8"x1 1/8"ODFOVE-20-C237/8"x1 3/8"ODF Sporlan expansion valve