circle seal截止阀 449t-2ppp 303不锈钢 buna n 1/4 in -65 to 250 ?f
circle seal截止阀 433t-2ppp 303不锈钢 neoprene 1/4 in -40 to 240 ?f
circle seal截止阀 432t-2ppp 303不锈钢 viton 1/4 in -20 to 400 ?f
circle seal截止阀 452b-2ppp 黄铜 buna n 1/4 in -65 to 275 ?f
circle seal截止阀 449b-2ppp 黄铜 buna n 1/4 in -65 to 250 ?f
circle seal截止阀 433b-2ppp 黄铜 neoprene 1/4 in -40 to 240 ?f
circle seal截止阀 432b-2ppp 黄铜 viton 1/4 in -20 to 400 ?f
circle seal截止阀 t952t-2pp toggle actuated 303不锈钢 female npt 1/4 in
circle seal截止阀 t933t-2pp toggle actuated 303不锈钢 female npt 1/4 in
circle seal单向阀 3016c00t-0.5s in-line steel teflon? 1 in
