Watson-Marlow 620DuN and 620Du User Manual 3
1 Declaration of conformity
This declaration was issued for Watson-Marlow 620DuN and 620Du pumps
on September 19, 2005. When this pump unit is used as a stand-alone
pump it complies with: Machinery Directive 98/37/EC, Low Voltage
Directive 73/23/EC, EMC Directive 89/336/EC.
This pump is ETL listed: ETL control number 3050250. Cert to CAN/CSA
std C22.2 No 61010-1. Conforms to UL std 61010A-1.
See 8 Pump specifications.
2 Declaration of incorporation
When this pump unit is to be installed into a machine or is to be assembled with
other machines for installations, it must not be put into service until the relevant
machinery has been declared in conformity with the Machinery Directive 98/37/EC
BS EN 60204-1.
Responsible person: Christopher Gadsden, Managing Director, Watson-Marlow
Limited, Falmouth, Cornwall TR11 4RU, England. Telephone +44 (0) 1326 370370
Fax +44 (0) 1326 376009.
The information in this user guide is believed to be correct at the time of publica-
tion. However, Watson-Marlow Limited accepts no liability for errors or omissions.
Watson-Marlow Bredel has a policy of continuous product improvement, and
reserves the right to alter specifications without notice. This manual is intended for
use only with the pump it was issued with. Earlier or later models may differ. The
most up-to-date manuals appear on the Watson-Marlow website:
http://www.watson-marlow.com
3 Five-year warranty

520 cased pumps, 620 cased pumps and 720 cased pumps

For any 520, 620 or 720 cased pump purchased after 1 January 2007, Watson-
Marlow Limited (“Watson-Marlow”) warrants, subject to the conditions and excep-
tions below, through either Watson-Marlow, its subsidiaries, or its authorised distrib-
utors, to repair or replace free of charge, any part of the product which fails within
five years of the day of manufacture of the product. Such failure must have occurred
because of defect in material or workmanship and not as a result of operation of the
product other than in normal operation as defined in this pump manual.
Watson-Marlow shall not be liable for any loss, damage, or expense directly or indi-
rectly related to or arising out of the use of its products, including damage or injury
caused to other products, machinery, buildings, or property, and Watson-Marlow
shall not be liable for consequential damages, including, without limitation, lost prof-
its, loss of time, inconvenience, loss of product being pumped, and loss of produc-
tion. This warranty does not obligate Watson-Marlow to bear any costs of removal,
installation, transportation, or other charges which may arise in connection with a
warranty claim.
DuN, Du
DuN, Du
DuN, Du