Sporlan thermal expansion valve : 1.high quality 2.competitve price Refrigerant:R12,R22,R134A,R410A,R407C,R502,R507 TypeCapacity(tons) Inlet connectionOut connectionNorminalR12 Internal equalizerFF-1/4-C0.291/4"x1/2"SAEFF-1/2-C0.51/4"x1/2"SAEFF-1-C13/8"x1/2"SAEFF-1 1/2-C1.593/8"x1/2"SAEExternal equalizerFFE-1/2-C0.51/4"x1/2"SAEFFE-1-C13/8"x1/2"SAEFFE-1 1/2-C1.593/8"x1/2"SAEFFE-2-C1.993/8"x1/2" ...