circle seal单向阀 253s-8pp-0.25 carbon steel neoprene 1 in female npt 0.25 psig
circle seal单向阀 253s-16pp carbon steel neoprene 2 in female npt 0.5 to 1 psig
circle seal单向阀 233s-16pp carbon steel neoprene 2 in female npt 2 to 4 psig
circle seal单向阀 253s-12pp carbon steel neoprene 1 1/2 in female npt 0.5 to 1 psig
circle seal单向阀 233s-12pp carbon steel neoprene 1 1/2 in female npt 2 to 4 psig
circle seal单向阀 253s-10pp carbon steel neoprene 1 1/4 in female npt 0.5 to 1 psig
circle seal单向阀 233s-10pp carbon steel neoprene 1 1/4 in female npt 2 to 4 psig
circle seal单向阀 253s-8pp carbon steel neoprene 1 in female npt 0.5 to 1 psig
circle seal单向阀 233s-8pp carbon steel neoprene 1 in female npt 2 to 4 psig
circle seal单向阀 253s-6pp carbon steel neoprene 3/4 in female npt 0.5 to 1 psig
