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
circle seal单向阀 h253t1-2pp 316不锈钢 neoprene 1/4 in female npt 0.5 to 1 psig
circle seal单向阀 h233t1-2pp 316不锈钢 neoprene 1/4 in female npt 2 to 4 psig
circle seal单向阀 h280t1-6pp 316不锈钢 teflon? 3/4 in female npt 8 psig
circle seal单向阀 h220t1-6pp 316不锈钢 teflon? 3/4 in female npt 8 psig
circle seal单向阀 h280t1-4pp 316不锈钢 teflon? 1/2 in female npt 8 psig
circle seal单向阀 h220t1-4pp 316不锈钢 teflon? 1/2 in female npt 8 psig
circle seal单向阀 h280t1-2pp 316不锈钢 teflon? 1/4 in female npt 8 psig
circle seal单向阀 h220t1-2pp 316不锈钢 teflon? 1/4 in female npt 8 psig
