Standard: -10 °C bis +450 °C
With special materials: -270 °C bis +800 °C

Key data

Butterfly valve: Bare shaft
Pressure range: PN 0-63 bar
Nominal diameter: DN 50-1800 mm
Connection: flange

Descriptionof lug type

In the lug type with threaded flange holes, the valve is bolted directly onto the pipe flanges on both sides. It has the shortest overall length and can thus be installed in the pipeline, saving a lot of space.

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Housing materials

Steel, stainless steel,
Special materials:
(Duplex, Inconel, Bronze)

Seat Materials

Others on request

Sealing materials

Graphit / stainless steel, Inconell,
stainless steel, PTFE

Technical data

Ports flange PN 10 / 16 / 25 / 40 / 63
ANSI 150 / 300 / 600
Function NC / NO / DA depending upon actuator
Pressure range body pressure 0 to 63 bar
△p standard shaft 52 bar in both directions
Kv value m³/h see table
Leakage rate 1 DIN 3230
A DIN EN 12266
BS 6364
Fire safe
Flow direction A → B as marked
Switching time s DN/100
process- and outside temperature standard -10 °C to +450 °C
with special materials -270 °C to +800 °C
Limit switches option
Approvals PED / Fire safe / BAM / TA Luft / ATEX ect.
Weight kg see table
Additional equipment upon request

For detailed product information, the technical data sheet is available for download.

Click to see theother 4 heroes!

Quadax®-double flange

Quadax®-lug type


Quadax®-top entry