F51, F53 and F54 – Cast Iron Streamlined Bellows Valve with Internal Screw

The VPGV category includes the family of started flow valves, globe and gate valves for industrial plants, where they are used in systems with liquids, hot and superheated water, steam and diathermic oil.
VPGV series started flow valves, internal screw version with bellows seal.
Figure F51 grey cast iron EN-GJL-250 flanged connections according to EN1092-2 PN 16
Figure F53 spheroidal cast iron EN-GJS-400 flanged connections according to EN1092-2 PN 25
Figure F54 spheroidal cast iron EN-GJS-400 flanged connections according to EN1092-2 PN 16
Fields of use and general characteristics:
– Standard metal/metal seal between seat and shutter
– Compliance according to the PED 2014/68/EU directive
Optional construction variants:
– /T interchangeable soft-sealing shutter in PTFE (180°)
– /R shutter with parabolic adjustment profile
– /RT shutter with parabolic adjustment profile + PTFE (180 °)
– /EQ balanced shutter for high pressures on large DN