circle seal单向阀 265b-1pp brass kalrez? 1/8 in female npt 0.5 to 1 psig
circle seal单向阀 k220t1-8pp 316不锈钢 teflon? 1 in female npt up to 8 psig
circle seal单向阀 k220t1-6pp 316不锈钢 teflon? 3/4 in female npt up to 8 psig
circle seal单向阀 k220t1-4pp 316不锈钢 teflon? 1/2 in female npt up to 8 psig
circle seal单向阀 k220t1-3pp 316不锈钢 teflon? 3/8 in female npt up to 8 psig
circle seal单向阀 k220t1-2pp 316不锈钢 teflon? 1/4 in female npt up to 8 psig
circle seal单向阀 k220t1-1pp 316不锈钢 teflon? 1/8 in female npt up to 8 psig
circle seal单向阀 k220t-8pp 303 stainless steel teflon? 1 in female npt up to 8 psig
circle seal单向阀 k220t-6pp 303 stainless steel teflon? 3/4 in female npt up to 8 psig
circle seal单向阀 k220t-4pp 303 stainless steel teflon? 1/2 in female npt up to 8 psig
