circle seal单向阀 224s-4pp carbon steel silicone 1/2 in female npt 0.5 to 1 psig
circle seal单向阀 224s-3pp carbon steel silicone 3/8 in female npt 0.5 to 1 psig
circle seal单向阀 224s-2pp carbon steel silicone 1/4 in female npt 0.5 to 1 psig
circle seal单向阀 224s-1pp carbon steel silicone 1/8 in female npt 0.5 to 1 psig
circle seal单向阀 224t1-2pp-1 316不锈钢 silicone 1/4 in female npt 1 psig
circle seal单向阀 224t1-16pp 316不锈钢 silicone 2 in female npt 0.5 to 1 psig
circle seal单向阀 224t1-12pp 316不锈钢 silicone 1 1/2 in female npt 0.5 to 1 psig
circle seal单向阀 224t1-10pp 316不锈钢 silicone 1 1/4 in female npt 0.5 to 1 psig
circle seal单向阀 224t1-8pp 316不锈钢 silicone 1 in female npt 0.5 to 1 psig
circle seal单向阀 224t1-6pp 316不锈钢 silicone 3/4 in female npt 0.5 to 1 psig
