Technical Data Performance Characteristics Leybold D4B
Nominal pumping speed 50 / 60 Hz, DIN 28 400 m3/h 4.8 / 5.8
Pumping speed 50/60 Hz according to DIN 28 400 m3/h 4.2 / 5
Ultimate partial pressure without gas ballast DIN 28 400 mbar 1E-4
Ultimate total pressure without gas ballast DIN 28 400 mbar < 2E-3
Ultimate total pressure with gas ballast DIN 28 400 mbar < 5E-3
Water vapor tolerance DIN 28 400 mbar 30
Water vapor capacity g/h 93
Oil filling, min. / max. l 0.3 / 0.8
Noise level DIN 45 635 without – with gas ballast dB(A) 50 / 52
Admissible ambient temperature Â°C 12 – 40
Nominal speed 50/60 Hz 1/min 1500 / 1800
Motor protection IP 54
Weight kg 18,7
Connections exhaust and intake Inch DN 16 KF
Please note: Queen City Semiconductors has thousands of machines in stock and the photo of the item taken at our facility is for reference. There may be multiple models of this item in stock. Queen City Semiconductors will email a video of any machine purchased under payment terms agreed, demonstrating operation (prior to shipment) at your request.
Queen City Semiconductors has been selling refurbished semiconductor manufacturing equipment for over 40 years. Experienced technicians and a vast inventory of machines and parts enables Queen City Semiconductors to offer support on the majority of tools we sell….for many years after the Original equipment manufacturer (OEM) does not.
Many tools are also listed on ebay if you prefer to purchase online immediately.
To avoid Ebay commissions, you can also place most machines on hold immediately by calling or texting J on his cell phone (978) 771-0481.