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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 overground 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

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 (-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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