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.
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.