艾默生阀门 fig320蝶阀 FIG.320-116 FIG.320-112

F79U180 F79U090 F79U065气缸维修包KIT

阀座 EPDM seal for OptiSeal butterfly valve

Keystone namur VDI F89U气缸

Keystone GRW 0400-D0S1S2E0M1K蝶阀

F89U-009 SR10气缸

F89U-009DA F89E-009DA F89D-009DA气缸

Keystone 206.025.014.021 Seat 990730

FIG.320-116 DN125蝶阀

F79E180 F79E090 F79E065气缸维修包KIT