SMFBD671F/P-16P气动防爆对夹四氟不锈钢板蝶阀D671F/P-16C

SMFBD671F-16Q防爆气动对夹蝶阀SMFBD671F-16C

SMFBD671F-16P防爆气动流量控制阀FBD671X-16P

SMFBD671F美标防爆型气动对夹蝶阀