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R251
Dokumentation:
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Choose a version from the table underneath, please.
Choose a version from the table underneath, please.
Description:
Diaphragm vacuum regulator ensuring high precision in both vacuum and positive pressure range.
Media: compressed air or non-corrosive gases
Supply_pressure: max. 17 bar
Accuracy: response sensitivity = < 2.5 mbar
Adjustment: by handwheel with locknut
Air_consumption: without constant bleed
Flow_rate:
800 l/min*1 in vacuum range,
4200 l/min*2 in positive pressure range
Gauge_port: G1/4 on both sides of the body, screw plugs supplied
Mounting_position: any
Temperature_range: -40 °C to 90 °C / -40 °F to 194 °F
Body: aluminium die-cast
Inner_valve: stainless steel and brass
Elastomer: NBR/Buna-N
| part number | connection | supply pressure max. [bar] | flow rate air [Nl/min] | Kv [m³/h] | vacuum range [bar] | Price |
|---|---|---|---|---|---|---|
| R251-04A | G1/2 | 17 | 800 | 2,5 | -1...0,7 | 2181,60 € |
| R251-04B | G1/2 | 17 | 800 | 2,5 | -1...2,0 | 2181,60 € |
| R251-04D | G1/2 | 17 | 800 | 2,5 | -1...10 | 2181,60 € |
| R251-06A | G3/4 | 17 | 800 | 2,5 | -1...0,7 | 2181,60 € |
| R251-06B | G3/4 | 17 | 800 | 2,5 | -1...2,0 | 2181,60 € |
| R251-06D | G3/4 | 17 | 800 | 2,5 | -1...10 | 2181,60 € |
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