circle seal单向阀 2232b-8mm brass viton? 1 in male npt 2 psig
circle seal单向阀 2232b-6mm brass viton? 3/4 in male npt 2 psig
circle seal单向阀 2232b-4mm brass viton? 1/2 in male npt 2 psig
circle seal单向阀 2232b-3mm brass viton? 3/8 in male npt 2 psig
circle seal单向阀 2232b-2mm brass viton? 1/4 in male npt 2 psig
circle seal单向阀 2232b-1mm brass viton? 1/8 in male npt 2 psig
circle seal单向阀 h265t1-6pp 316不锈钢 kalrez? 3/4 in female npt 0.5 to 1 psig
circle seal单向阀 h265t1-4pp 316不锈钢 kalrez? 1/2 in female npt 0.5 to 1 psig
circle seal单向阀 h265t1-2pp 316不锈钢 kalrez? 1/4 in female npt 0.5 to 1 psig
circle seal单向阀 h264t1-6pp 316不锈钢 fluorosilicone 3/4 in female npt 0.5 to 1 psig
