Edwards nEXT730D User Manual

4.3 Pumping media
WARNING: HAZARDOUS SUBSTANCES
Pumped process g
ases may escape from the exhaust and leaks in the vacuum system.
During servicing, toxic deposits may be present in the pump. The gases, vapours and
substances may be hazardous to health.
The pumping of toxic / explosive / ammable / pyrophoric / radioacve / oxidizing /
corrosive gases or gas mixtures, as well as oxygen of more than atmospheric
concentraon (21 %) is generally prohibited. The operator is responsible for assessing
the hazard potenal of the process media or mixtures.
WARNING:
Ven
t dangerous gases and gas mixtures safely. Do not expose people to these gases.
If pumping hazardous gases or vapours, observe the safety recommendaons of the
supplier of the gas/vapour.
WARNING:
Do not use the pump to pump mer
cury vapour and do not allow mercury (for
example, from a McLeod gauge) to come into contact with the pump. This may result
in corrosion and failure of the pump rotor.
CAUTION:
Do not use the pump to pump parcula
tes or condensable media. Deposion may
occur within the pump which will degrade pump performance and reduce the pump
life.
Note:
Concen
traons of gases may be modied by the compression of the pump.
The pump is designed to pump the gases listed below. To pump a gas not listed, contact
the supplier for advice. Failure to contact the supplier may invalidate the warranty of the
pump. The pump is not suitable for pumping aggressive or corrosive gases.
Refer to the Edwards Vacuum Pump and Vacuum Safety manual P40040100 for safety
informaon associated with the specicaon, design and operaon of vacuum pumps
and vacuum systems.
▪ Air
▪ Carbon monoxide
▪ Neon
▪ Nitrogen
▪ Krypton
▪ Argon
▪ Carbon dioxide
▪ Helium
▪ Hydrogen
08/2021 - ©Edwards Limited
Page 29B8J200880_D
300812671_002_C3
B8J200880_D - Technical data

Edwards nEXT730D Specifications

General

Brand	Edwards
Model	nEXT730D
Category	Water Pump
Language	English