circle seal单向阀 262t1-4pp 316不锈钢 ethylene propylene 1/2 in female npt 2 to 4 psig
circle seal单向阀 262t1-3pp 316不锈钢 ethylene propylene 3/8 in female npt 2 to 4 psig
circle seal单向阀 262t1-2pp 316不锈钢 ethylene propylene 1/4 in female npt 2 to 4 psig
circle seal单向阀 262t1-1pp 316不锈钢 ethylene propylene 1/8 in female npt 2 to 4 psig
circle seal单向阀 253t1-16pp 316不锈钢 neoprene 2 in female npt 0.5 to 1 psig
circle seal单向阀 233t1-16pp 316不锈钢 neoprene 2 in female npt 2 to 4 psig
circle seal单向阀 253t1-12pp 316不锈钢 neoprene 1 1/2 in female npt 0.5 to 1 psig
circle seal单向阀 233t1-12pp 316不锈钢 neoprene 1 1/2 in female npt 2 to 4 psig
circle seal单向阀 253t1-10pp 316不锈钢 neoprene 1 1/4 in female npt 0.5 to 1 psig
circle seal单向阀 233t1-10pp 316不锈钢 neoprene 1 1/4 in female npt 2 to 4 psig
