Butterfly Valve DF DN450 PN10

Double flange type - bare stem
Item No.
Nodular Cast Iron body, vulcanized liner double flange type butterfly valve with Aluminium Bronze disc. Centric free stem with standardized pattern for actuator mounting. Can handle negative pressure (vacuum), due to the meticulous vulcanization process.
More Information
More Information
Product Group 731701
Category Valve
Item Number M34715
Sub Category BUTTERFLY
End Type Double flange
Pressure Rating PN10
Material Body Nodular Cast Iron, GGG40
Material Disc Aluminium Bronze
Material Seat EPDM
Size 450
Variant Bare stem
Application Boiler feedwater, Condensate, Sea water, Water
Standard DIN
Design Code EN 593
End Standard EN 1092-2
Face To Face Standard EN 558, series 13
Inspection Standard EN 12266
Remark Connection: PN10
Top Flange Standard ISO 5211 - F14
Min temperature -20°C
Max temperature +100°C
Partslist and details
No Part Material Code
1 Body Nodular Cast Iron GGG40
2 Disc Aluminium Bronze
3 Seat EPDM max working temp. 100°C
4 Stem Stainless Steel 1.4057
5 Pin Duplex Stainless Steel 1.4462

DN Pressure Rating Id nxdd Hcd Ø D L Kg H1 Ø D2 H2 S H3
450 10 20x28 565 615 222 123 335 175 375 36 38