Control butterfly valve

Product

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

Butterfly valve 401

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

Features

♦ 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

Operation

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

Closing device

disc

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