Ehrler & Beck Vakuum- und Drucklufttechnik GmbH
Ehrler und Beck

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ECODRY 65 plus with external frequency converter

The Leybold ECODRY 65 plus is an oil-free, air-cooled multi-stage Roots vacuum pump with 55 m³/h maximum pumping speed, an ultimate pressure below 0.03 mbar and less than 52 dB(A). Ehrler & Beck supplies the ECODRY 65 plus in four variants with matching accessories and service.

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  • Pumping speed 55 m³/h 50 Hz 55 m³/h 60 Hz
  • Ultimate pressure 0.03 mbar
  • Rated motor power 1.2 kW 50 Hz 1.2 kW 60 Hz
Available variants
Variant Part number
1Ph 200-240 V 50/60 Hz 161065V22
1Ph 100-120 V 50/60 Hz 161065V21
1Ph 200-240 V 50/60 Hz, permanent purge gas 161065V62
with external frequency converter (selected) 161065V9001

Leybold ECODRY 65 plus – the largest model of the ECODRY plus series

The ECODRY 65 plus delivers 55 m³/h maximum pumping speed for air (52 m³/h for helium) with an ultimate pressure below 0.03 mbar; with gas ballast it reaches below 0.1 mbar and handles 500 g/h of water vapour. With the same external dimensions as the ECODRY 40 plus (623 × 320 × 298 mm, around 43 kg), it has the larger DN 40 ISO-KF inlet flange; the exhaust is DN 16 ISO-KF.

Flexible control

It can be operated manually via the integrated switch, remotely via the digital I/O interface or by computer via RS485/MODBUS; the LEYASSIST software supports monitoring, remote control and data logging. Thanks to low EMC emission and low leakage current, the pump can be operated from normal wall sockets.

Typical applications

Cryopump regeneration with high water vapour load, fore vacuum for several turbomolecular pumps, mass spectrometry, UHV systems and accelerators. According to Leybold, it uses the pump in its own production test stands.

Variants of the ECODRY 65 plus

The ECODRY 65 plus is available from Ehrler & Beck in four variants (part numbers 161065V22, 161065V21, 161065V62, 161065V9001). The rated power is 1.2 kW for all variants (0.6 kW at ultimate pressure); the mains voltage ranges from 100–120 V to 200–240 V (50/60 Hz, 1-phase). The weight is around 43 kg.

Features of the ECODRY plus series

  • Oil-free and clean: no oil, no particles, no dust in the pumping chamber; no odours
  • Quiet: 52 dB(A) – below the level of a conversation
  • Low maintenance: according to Leybold, up to five years without oil change or seal replacement
  • Energy-efficient: 600 W power consumption at ultimate pressure, little waste heat
  • Compact and mobile: small footprint, 1-phase mains connection
  • Networkable: X104 interface (RS485) for monitoring and remote control
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