circle seal单向阀 h262t1-6pp 316不锈钢 ethylene propylene 3/4 in female npt 2 to 4 psig
circle seal单向阀 h262t1-4pp 316不锈钢 ethylene propylene 1/2 in female npt 2 to 4 psig
circle seal单向阀 h262t1-2pp 316不锈钢 ethylene propylene 1/4 in female npt 2 to 4 psig
circle seal单向阀 h224t1-6pp 316不锈钢 silicone 3/4 in female npt 0.5 to 1 psig
circle seal单向阀 h224t1-4pp 316不锈钢 silicone 1/2 in female npt 0.5 to 1 psig
circle seal单向阀 h224t1-2pp 316不锈钢 silicone 1/4 in female npt 0.5 to 1 psig
circle seal单向阀 h253t1-6pp 316不锈钢 neoprene 3/4 in female npt 0.5 to 1 psig
circle seal单向阀 h233t1-6pp 316不锈钢 neoprene 3/4 in female npt 2 to 4 psig
circle seal单向阀 h253t1-4pp 316不锈钢 neoprene 1/2 in female npt 0.5 to 1 psig
circle seal单向阀 h233t1-4pp 316不锈钢 neoprene 1/2 in female npt 2 to 4 psig
