Please see below for detail data:
Triple eccentric butterfly valve. Size DN1100, pressure rate PN10, double flange type, flange dimensions according to EN1092-1.The butterfly valve is used for high temperature with radiator design. Body material cast steel A216 WCB,disc material cast steel A216 WCB, stem is for stainless steel 410, disc sealing ring SS304+graphite.
The technical standards as below:
EN593 for design and manufactured , face to face dimension as per EN 558, end flanges drilling as per EN1092-1, test and inspection as per EN 12266-1.
The valve applied painting for high temperature as per request : prime coating and finishing coating,outside surface body coating color with silver. Coating dry film thickness as per MFR’s STD.
The valve was carried out hydro testing as per international standard strictly, no visual leakage found during testing.
The detail testing pressure and duration as below :
1.5Mpa by water for shell testing, duration 120s.
1.1Mpa by water for high pressure seat testing, duration 120s.
0.6Mpa by air for low pressure seat testing, duration 120s.
The valve can be open and close smoothly under pressure, valve function is excellent.