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船用蝶阀密封圈 阀令seat ringKeystoneButterfly Valve Seat ring蝶阀密封圈 / 蝶阀阀令 / 蝶阀阀座: 中心对夹 / 中心双法兰 / 偏心对夹 / 偏心双法兰 Seat Ring for Wafer Type Butterfly Valve with Manual Lever Handle Seat Ring for Wafer Type Butterfly Valve with Hydraulic Actuator Seat Ring for Lug Type Butterfly Valve with Hydraulic Actuator Seat Ring for Flange Type Butterfly Valve with Manual Worm Gear Operator Seat Ring for Lug Type Butterfly Valve with Manual Lever Handel Seat Ring for Lug Type Butterfly Valve with HYD. Transmitter operator Makers厂家: Keystone Valve Ltd. Material材质: NBR EPDM VITON Size/Press.尺寸/ 压力: 5K 10K 16K Model & Code No.型号和编号: Keystone Valve Seat FAR1 Keystone Valve Seat FIG1 Keystone Valve Seat FAR2 Keystone Valve Seat F990 Keystone Valve Seat V10 Keystone Valve Seat V11 |