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