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NAF - Torex High Performance Butterfly Valve H.P.B.V.

NAF-Torex, High-Performance butterfly valves are ideal for isolation, on-off and control applications. With its modular design it can easily be converted in the field from a shut-off valve to a control valve by fitting the direct mounting NAF-Turnex double acting or single acting control actuator. When fitted with the V&A iCon® 270991 intelligent valve positioner calibration is simple and fast. Advanced / Premium diagnostics ensure you can monitor valve performance. With options of metal-to-metal or soft seats as well as wafer or lugged versions it is well suited for applications within the process industry. Metaloplast upper and lower bearings ensure extended operational life in control applications. Due to its unique design with a patented disc profile, when fitted with metal seats it provides shutoff class to IEC 534-4, Class V.

Series
Torex
Design
High Performance Butterfly
Features
  • Modular design / no brackets
  • One piece leak proof body
  • Triple offset design
  • Small offset – low torques
  • Metaloplast bearings
Size Range
80mm to 600mm 3” to 24”
Pressure Rating
PN10 - 40 ANSI 150 - 300
Temperatures
Up to 350°C
End Connections
Wafer / Lug
Body Materials
Stainless Steel (Std) Other materials on request
Seat MaterialsInconnel / PTFE / EPDM / FPM
Options & accessories
  • Graphite packing for steam
  • Fire safe
  • Degreased for oxygen
  • Stem sealing for vacuum
  • O-ring for stem sealing
ApplicationsIsolation, on/off and control for liquids, gases and steam throughout the p&p, chemical and process industries