circle seal单向阀 233s-1pp carbon steel neoprene 1/8 in female npt 2 to 4 psig
circle seal单向阀 220s-4pp-1 carbon steel teflon? 1/2 in female npt 1 psig
circle seal单向阀 220s-4pp-0.5 carbon steel teflon? 1/2 in female npt 0.5 psig
circle seal单向阀 220s-16pp carbon steel teflon? 2 in female npt up to 8 psig
circle seal单向阀 220s-12pp carbon steel teflon? 1 1/2 in female npt up to 8 psig
circle seal单向阀 220s-10pp carbon steel teflon? 1 1/4 in female npt up to 8 psig
circle seal单向阀 220s-8pp carbon steel teflon? 1 in female npt up to 8 psig
circle seal单向阀 220s-6pp carbon steel teflon? 3/4 in female npt up to 8 psig
circle seal单向阀 220s-4pp carbon steel teflon? 1/2 in female npt up to 8 psig
circle seal单向阀 220s-3pp carbon steel teflon? 3/8 in female npt up to 8 psig
