circle seal单向阀 224b-16pp brass silicone 2 in female npt 0.5 to 1 psig
circle seal单向阀 224b-12pp brass silicone 1 1/2 in female npt 0.5 to 1 psig
circle seal单向阀 224b-10pp brass silicone 1 1/4 in female npt 0.5 to 1 psig
circle seal单向阀 224b-8pp brass silicone 1 in female npt 0.5 to 1 psig
circle seal单向阀 224b-6pp brass silicone 3/4 in female npt 0.5 to 1 psig
circle seal单向阀 224b-4pp brass silicone 1/2 in female npt 0.5 to 1 psig
circle seal单向阀 224b-3pp brass silicone 3/8 in female npt 0.5 to 1 psig
circle seal单向阀 224b-2pp brass silicone 1/4 in female npt 0.5 to 1 psig
circle seal单向阀 224b-1pp brass silicone 1/8 in female npt 0.5 to 1 psig
circle seal单向阀 280t1-16pp 316不锈钢 teflon? 2 in female npt up to 8 psig
