Valvụ urukurubụba concentric nke a na-akpụ akpụ
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DL Series flanged concentric urukurubụba valvụ
DL Series bụ ụdị flange okpukpu abụọ nke nwere concentric ma nwee eriri vulcanized zuru oke.
Nha:DN50~DN 2400
Nrụgide: PN10/PN16
