circle seal单向阀 c259s-6q carbon steel buna n 1.625 in 0.5 to 1 psig -65 to 275 ?f
circle seal单向阀 c249s-6q carbon steel buna n 1.625 in 2 to 4 psig -65 to 250 ?f
circle seal单向阀 c259s-4q carbon steel buna n 1.437 in 0.5 to 1 psig -65 to 275 ?f
circle seal单向阀 c249s-4q carbon steel buna n 1.437 in 2 to 4 psig -65 to 250 ?f
circle seal单向阀 c259s-2q carbon steel buna n 1 in 0.5 to 1 psig -65 to 275 ?f
circle seal单向阀 c249s-2q carbon steel buna n 1 in 2 to 4 psig -65 to 250 ?f
circle seal单向阀 c259s-1q carbon steel buna n 0.75 in 0.5 to 1 psig -65 to 275 ?f
circle seal单向阀 c249s-1q carbon steel buna n 0.75 in 2 to 4 psig -65 to 250 ?f
circle seal单向阀 c232s-6q carbon steel viton? 1.625 in 0.5 to 1 psig -20 to 400 ?f
circle seal单向阀 c232s-4q carbon steel viton? 1.437 in 0.5 to 1 psig -20 to 400 ?f
