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Evidenziare: | valvola a farfalla duttile del ferro,valvola a farfalla dell'tri eccentrico |
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Double Eccentric Flanged Resilient Sealing Butterfly Valve , Tri-Eccentric Mail part & material Body, Disc: GGG50 with internal and external epoxy resin coating Stems: 1Cr17Ni12Mo2Ti, Stainless steel min.13%Cr Bushing :Bronze CuAI10Fe3 Seal ring, O-ring: NBR, EPDM or FPM Technical Specification -Nominal diameter:150~2600mm -Nominal pressure:1.0/1.6/2.5Mpa -Strength testing pressure:1.5/2.4/3.75Mpa -Sealing testing pressure:1.1/1.76/2.75Mpa Executive standard Brief introductio