circle seal单向阀 232s-4pp carbon steel viton? 1/2 in female npt 0.5 to 1 psig
circle seal单向阀 232s-3pp carbon steel viton? 3/8 in female npt 0.5 to 1 psig
circle seal单向阀 232s-2pp carbon steel viton? 1/4 in female npt 0.5 to 1 psig
circle seal单向阀 232s-1pp carbon steel viton? 1/8 in female npt 0.5 to 1 psig
circle seal单向阀 262t1-2pp-0.15 316不锈钢 ethylene propylene 1/4 in female npt 0.15 psig
circle seal单向阀 262t1-16pp 316不锈钢 ethylene propylene 2 in female npt 2 to 4 psig
circle seal单向阀 262t1-12pp 316不锈钢 ethylene propylene 1 1/2 in female npt 2 to 4 psig
circle seal单向阀 262t1-10pp 316不锈钢 ethylene propylene 1 1/4 in female npt 2 to 4 psig
circle seal单向阀 262t1-8pp 316不锈钢 ethylene propylene 1 in female npt 2 to 4 psig
circle seal单向阀 262t1-6pp 316不锈钢 ethylene propylene 3/4 in female npt 2 to 4 psig
