Ref. product: RF31
1.Design,manufacture are according to standards of BSEN5163-86 Type B[Gate Valve For Waterworks Purpose].
2.The flange of the butterfly valve is according to PN1.6MPa and drilling to PN1.6MPa flange of BSEN1092-2 for the integral ductile iron flanges.
3.Inspection is according to standard BSEN6755 PART1 RATE A