Lamellar seal butterfly valve


Lamellar seal butterfly valve 404

Our lamellar seal butterfly valve :

For frequent operation ; single, double or triple eccentric design

Optimal tightness for non abrasive fluids. Shut off or regulating valve

DN 80 to DN 1700
3" à 68"
PN 10 to PN 50
150 to 300 acc. to DN

Type: 404

Functions – Lamellar seal butterfly valve

♦ In-line on/off valve
♦ In-line regulating valve

Construction – Lamellar seal 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 – Lamellar seal butterfly valve

Features & Options

Lamellar seal butterfly valve 404

DN 80 to DN 1700
3" à 68"
PN 10 to PN 50
150 to 300 acc. to DN


♦ easily renewable disc seal
♦ two-piece shaft mounted with bushings
♦ removable seat
♦ bolted stuffing-box, self-adjusted with spring washers
♦ wafer type
♦ PED/97/23/EC compliant


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

Closing device


Options – Lamellar seal butterfly valve

– adaptation to any type of connection
– dry air actuator
– manual override for pneumatic actuator
– stainless steel pneumatic actuator
– actuator locking system (safety)
– extended stem for thermal insulation for use at very high or very low temperatures
– heating jacket
– FDA grade packings
– leak detector at stuffing box
– inside and/or outside polishing
– stroke limit or proximity switches
– manual operator with locking mechanism
– extended manual operator, optionally with cardans
CAUTION : some options are not compatible