circle seal单向阀 c259a-2q aluminum buna n 1 in 0.5 to 1 psig -65 to 275 ?f
circle seal单向阀 c249a-2q aluminum buna n 1 in 2 to 4 psig -65 to 250 ?f
circle seal单向阀 c259a-1q aluminum buna n 0.75 in 0.5 to 1 psig -65 to 275 ?f
circle seal单向阀 c249a-1q aluminum buna n 0.75 in 2 to 4 psig -65 to 250 ?f
circle seal单向阀 c232a-6q aluminum viton? 1.625 in 0.5 to 1 psig -20 to 400 ?f
circle seal单向阀 c232a-4q aluminum viton? 1.437 in 0.5 to 1 psig -20 to 400 ?f
circle seal单向阀 c232a-2q aluminum viton? 1 in 0.5 to 1 psig -20 to 400 ?f
circle seal单向阀 c232a-1q aluminum viton? 0.75 in 0.5 to 1 psig -20 to 400 ?f
circle seal单向阀 c220s-6q carbon steel teflon? 1.625 in 8 psig -100 to 400 ?f
circle seal单向阀 c220s-4q carbon steel teflon? 1.437 in 8 psig -100 to 400 ?f
