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

Key data

Butterfly valve: Bare shaft
Pressure range: PN 0-160 bar
Nominal diameter: DN 50-1800 mm
Connection: flange

Description of double flange type

This type has a flange on both sides and is connected to the pipeline via a screw-nut connection. It is the shortest overall length after the lug type.

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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 / 100 / 160
ANSI 150 / 300 / 600 / 900
Function NC / NO / DA depending upon actuator
Pressure range body pressure 0 to 160 bar
△p standard shaft 52 bar in both directions
△p optional shaft 100 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.

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Quadax®-lug type

Quadax®-gate valve replacement


Quadax®-top entry