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Bürkert Air-operated valve 146390 2012 G 1/4 Nominal width (details) 20 mm OFF (spring shut) 1 pc(s)
Datasheet (PDF)
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Highlights & Details
2/2-way straight seat valve for media up to +180 °C, stainless steel casing
- For media up to +180 °C
- Long service life
- Visual position indicator as standard
- Rotating drive head to align the control air connections
- Minimum Control Air consumption through full body
- Extensive drive size selection enables optimum economic drive combinations
- Schliessschlagarm at liquid flow under seat
- Compact rectangular seat valve
- Housing Material cast 316L
- PPS-head for hot environments
Technical specifications
- Nominal diameter 20 mm
- Drive Size Ø 63 mm
- Kv-Wert 8.1 m³/h
- Control pressure of 4.5 to 10 bar.
- 16 bar max. operating pressure of up to +180 °C
- Medium temperature -10 to +180 °C
- Ambient temperature +5 °C to +140 °C
- Product type
Air-operated valve
- Max. operating pressure
16 bar
- Enclosure material
Stainless steel
- Connection
G 1/4
- Operating temperature
-10 °C (min)
- Media temperature (range)
-10 up to +180 °C
- Manufacturer part #
146390
- Operating pressure (min.)
0 bar
- Min. operating temperature
-10 °C
- Sealant
PTFE
- Function
2/2-way
- Weight
3.840 kg
- Max. media temperature
+180 °C
- Media temperature (min.)
-10 °C
- Medium
Inert substances
- Nominal width
20 mm
- Features
Flange
- Height
247 mm
- Length
150 mm
- Control pressure (max.)
10 bar
- Control pressure (min.)
4.5 bar
- Max. ambient temperature
+140 °C
- Min. ambient temperature
5 °C
- Operating principle
OFF (spring shut)
- KV value
135 l/min
Documents & Downloads
Datasheet
Datasheet 624222 Bürkert Air-operated valve 146390 2012 G 1/4 Nominal width (details) 20 mm OFF (spring shut) 1 pc(s)
User & Safety Instructions
User & Safety Instructions 624222 Bürkert Air-operated valve 146390 2012 G 1/4 Nominal width (details) 20 mm OFF (spring shut) 1 pc(s)
Description
The externally controlled straight seat valve consists of a pneumatic actuated piston drive and a 2-way valve housing. The proven even after resetting and maintenance-free stopfbuchspackung ensures high resistance and durability.
This text is machine translated.
This text is machine translated.
Features
- 2/2-Wege-Geradsitzventill with airflow under seat
- Flange connection according to DIN EN 1092-1
- Spring power closed
- Housing Material cast stainless steel 316L
- Nominal pressure PN25 (Case Pressure stage)
- Drive Material PPS
- Sealing material PTFE
- Can be used universally for liquids, gases and steam
- Viscosity max. 600 mm²/s
- Gland PTFE V-rings with spring compensation
- Any installation position, preferably drive upwards
- Control medium air and neutral gases
- Control air connection G 1/4"
Hints
The kv factor indicates the volume flow through a valve, measured in litres/min at 1 bar and at a water temperature between 5 and 30°C. The QNn factor indicates the gas volume flow, measured in litres/min