Girovac Ltd
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nXDS20i SCROLL PUMP 28.0M3/Hr

nXDS Scroll Pumps
nXDS improves on legacy XDS pumps by offering increased pumping speeds, combined with lower ultimate pressures, lower power consumption and lower noise. Gas ballast allows for pumping of condensable vapours including, water, solvents, dilute acids and bases. nXDS pumps also feature the latest in tip seal technology giving significantly longer life between tip seal changes. Integrated inverter drive with auto sensing voltage input delivers optimized pumping performance globally. nXDS pumps are designed to be completely field serviceable.

Description

• Lubricant-free within the vacuum envelope and hermetically sealed means a totally clean and dry vacuum to prevent cross contamination.
• Advanced scroll-form and tip-seal technologies deliver best-in-class vacuum performance and unrivalled ultimate vacuum levels.
• Unique tip seal design significantly reduces wear to minimise maintenance and extend service life.
• Quiet operation with typical noise during operation
• Advanced interface providing a variety of traditional and analogue and digital control methods enabling remote control/monitoring via RS232 or RS485.
• Integrated inverter drive with auto sensing input delivers optimised pumping performance globally.

Characteristics

Nominal rotational speed 1800 rpm
Displacement 28.0 m3h-1  /  16.5 ft3min-1
Peak pumping speed 22.0 m3h-1  /  13.0 ft3min-1
Ultimate vacuum (total pressure) 0.030 mbar  /  0.022 Torr
Minimum standby rotational speed 1200 rpm
Speed control resolution (percentage of full rotation speed) 1%
Pumping speed at minimum rotational speed 10
Maximum continuous inlet pressure 50 mbar
Motor power 1-ph 260 W
Power connector 1-ph IEC EN60320 C13
Recommended fuse 10A, 250Vac rms
Weight 25.6 kg  /  56 lb
Inlet flange NW25
Exhaust flange NW25
Noise level 52 dB(A)
Vibration at inlet flange < 4.5 mms-1   (rms)
Leak tightness (static) < 1x10-6 mbar ls-1
Operating temperature range 10 to 40 °C  /  41 to 104 °F

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