circle seal单向阀 280t1-8pp 316不锈钢 teflon? 1 in female npt up to 8 psig
circle seal单向阀 280t1-6pp 316不锈钢 teflon? 3/4 in female npt up to 8 psig
circle seal单向阀 280t1-4pp 316不锈钢 teflon? 1/2 in female npt up to 8 psig
circle seal单向阀 280t1-3pp 316不锈钢 teflon? 3/8 in female npt up to 8 psig
circle seal单向阀 280t1-2pp 316不锈钢 teflon? 1/4 in female npt up to 8 psig
circle seal单向阀 280t1-1pp 316不锈钢 teflon? 1/8 in female npt up to 8 psig
circle seal单向阀 280t-8pp 303 stainless steel teflon? 1 in female npt up to 8 psig
circle seal单向阀 280t-6pp 303 stainless steel teflon? 3/4 in female npt up to 8 psig
circle seal单向阀 280t-4pp 303 stainless steel teflon? 1/2 in female npt up to 8 psig
circle seal单向阀 280t-3pp 303 stainless steel teflon? 3/8 in female npt up to 8 psig
