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04
Buttweld

Fantastic Four

Standard:
-10 °C up to +450 °C (-14 °F up to 842 °F)
With special materials:
-270 °C up to +800 °C (-454 °F up to 1472 °F)

 

Key data

Butterfly valve: 4-offset
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 above ground pipeline construction. This version without flange connections significantly reduces the risk of undetected leaks.

TECHNICAL SPECIFICATIONS - PDF 0,60 MBTECHNICAL SPECIFICATIONS (IMPERIAL) - PDF 0,60 MB

Materials

Housing materials

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

Seat materials

Inconel
Others upon request
 

Sealing materials

Graphite / stainless steel, Inconel,
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 (-14 °F up to 842 °F)
with special materials -270 °C to +800 °C (-454 °F up to 1472 °F)
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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