circle seal单向阀 h233t-6pp 303 stainless steel neoprene 3/4 in female npt 2 to 4 psig
circle seal单向阀 h253t-4pp 303 stainless steel neoprene 1/2 in female npt 0.5 to 1 psig
circle seal单向阀 h233t-4pp 303 stainless steel neoprene 1/2 in female npt 2 to 4 psig
circle seal单向阀 h253t-2pp 303 stainless steel neoprene 1/4 in female npt 0.5 to 1 psig
circle seal单向阀 h233t-2pp 303 stainless steel neoprene 1/4 in female npt 2 to 4 psig
circle seal单向阀 h280t-6pp 303 stainless steel teflon? 3/4 in female npt 8 psig
circle seal单向阀 h220t-6pp 303 stainless steel teflon? 3/4 in female npt 8 psig
circle seal单向阀 h280t-4pp 303 stainless steel teflon? 1/2 in female npt 8 psig
circle seal单向阀 h220t-4pp 303 stainless steel teflon? 1/2 in female npt 8 psig
circle seal单向阀 h280t-2pp 303 stainless steel teflon? 1/4 in female npt 8 psig
