circle seal单向阀 2320b-2mp brass teflon? 1/4 in male / female npt 5 psig
circle seal单向阀 2320b-2mm brass teflon? 1/4 in male / male npt 5 psig
circle seal单向阀 2320b-2pp brass teflon? 1/4 in female / female npt 5 psig
circle seal单向阀 2320b-1mp brass teflon? 1/8 in male / female npt 5 psig
circle seal单向阀 2320b-1pp brass teflon? 1/8 in female / female npt 5 psig
circle seal单向阀 2359b-6pp brass buna n 3/4 in female / female npt 0.5 to 1.5 psig
circle seal单向阀 2349b-6pp brass buna n 3/4 in female / female npt 2 to 5 psig
circle seal单向阀 2359b-4pp brass buna n 1/2 in female / female npt 0.5 to 1.5 psig
circle seal单向阀 2349b-4pp brass buna n 1/2 in female / female npt 2 to 5 psig
circle seal单向阀 2359b-3mp brass buna n 3/8 in male / female npt 0.5 to 1.5 psig
