DV4 DN 50 – DN 300

Product characteristics

Butterfly valves for fumes and high temperatures

Metal/metal seat

Tightness class III according to ANSI B 16.104

Low pressure drops

Maintenance operations are limited to the traditional packing of the stem with an adjustable stubbing box

Standard series DN 50 – DN 300

Suitable for flanges EN 1092-1:2001 PN 6, PN 10,PN 16, ANSI 150 RF.

Materials: carbon steel, SS316, SS304

Max temperature: 400°C

Shaft seat: P.T.F.E. or graphite plate

The shaft is connected to the disc by pins

Top flange according to ISO 5211

Product Applications:

Fumes and high temperatures