circle seal单向阀 c2962s-4q carbon steel ethylene propylene 0.501 in 2 to 4 psig -65 to 300 ?f
circle seal单向阀 c2949s-12q carbon steel buna n 1.219 in 2 to 4 psig -65 to 250 ?f
circle seal单向阀 c2949s-10q carbon steel buna n 1.001 in 2 to 4 psig -65 to 250 ?f
circle seal单向阀 c2949s-8q carbon steel buna n 0.813 in 2 to 4 psig -65 to 250 ?f
circle seal单向阀 c2949s-6q carbon steel buna n 0.657 in 2 to 4 psig -65 to 250 ?f
circle seal单向阀 c2949s-4q carbon steel buna n 0.501 in 2 to 4 psig -65 to 250 ?f
circle seal单向阀 c2952s-12q carbon steel viton? 1.219 in 2 to 4 psig -20 to 300 ?f
circle seal单向阀 c2952s-10q carbon steel viton? 1.001 in 2 to 4 psig -20 to 300 ?f
circle seal单向阀 c2952s-8q carbon steel viton? 0.813 in 2 to 4 psig -20 to 300 ?f
circle seal单向阀 c2952s-6q carbon steel viton? 0.657 in 2 to 4 psig -20 to 300 ?f
