circle seal单向阀 c220s-2q carbon steel teflon? 1 in 8 psig -100 to 400 ?f
circle seal单向阀 c220s-1q carbon steel teflon? 0.75 in 8 psig -100 to 400 ?f
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
