Technical and requirement
Design, manufacture are according to standard of BSEN593-98〔Butterfly Valves For Waterworks Purpose〕.
The flange of the butterfly valve is according to PN1.6 Mpa flange of BSEN1092-2 for internal ductile iron flanges.
Inspection is according to standard PrEN12266-3.(No Visible Leakage).
The valves for PN1.0 MPa and PN2.5 MPa are also can be designed and manufactured.