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 80-1800 mm
Connection: welding ends

Description of buttweld type

The buttweld type is mainly used in overground pipeline construction. This version without flange connections significantly reduces the risk of undetected leaks.

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Materials

Housing materials

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

Seat Materials

Inconell
Andere auf Anfrage
 

Sealing materials

Graphit / stainless steel, Inconell,
stainless steel, PTFE
 

Technical data

Ports buttweld ends
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 in further
weight kg see table
additional equipment upon request

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

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