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