Control butterfly valve


Control butterfly valve  401

Our control butterfly valve :

For frequent operation ; single, double or triple eccentric design

For flow regulating or flow control

DN 50 to DN 300
2" à 12"
PN 10 to PN 50
150 to 300 acc. to DN

Type: 401

Functions – Control butterfly valve

♦ flow regulating or flow control valve, in-line installation

Construction – Control butterfly valve

  • Construction materials: Carbon Steel (CS), Stainless Steel (SS), Duplex & Super Duplex, Inconel & Incoloy®, Titanium, Zirconium, Uranus® B6, Tantalum, Nickel, Hastelloy®, Monel
  • Construction methods: Fabricated (Welded), Cast, Solid

Uses – Control butterfly valve

  • Service conditions: High temperature, Low temperature, Corrosion, High viscosity
  • Types of fluids: Liquids, Liquids with solid particles – Slurry, Gas, High viscosity fluids
  • Applications: Fine chemicals, Petrochemicals, Other applications

Features & Options

Control butterfly valve  401

DN 50 to DN 300
2" à 12"
PN 10 to PN 50
150 to 300 acc. to DN


♦ Class II tightness
♦ bolted stuffing-box, self-adjusted with spring washers
♦ one piece shaft mounted with bushings
♦ wafer type body
♦ PED/97/23/EC compliant


Handwheel (for regulating function only) ,single acting pneumatic actuator (limited by size/pressure class and/or stroke),electric motor

Closing device


Options – Control butterfly valve

– leakage class III (type 402)
– adaptation to any type of connection
– dry air actuator
– pneumatic actuator with manual override
– stainless steel pneumatic actuator
– actuator locking in closed position (safety)
– stem isolation extension for high temperature service
– heating jacket
– FDA grade packings
– leak detector at stuffing box
– inside and/or outside polishing
– stroke limit or proximity switches
– extended manual operator, optionally with cardans
CAUTION, some options are not compatible