Summary Of Modifications; Atex Marking; Key - Watson Marlow Pumps 620RA Serie Manual Del Usuario

20

Summary of modifications

ATEX features of 620RA pumpheads
Conductive The material used for the rotor body and arms includes stainless fibres in order to
Rotor make the rotor conductive and dissipate any electrostatic charge on the stainless rollers
Earth strap
This is a requirement of the Directive and includes the ATEX rating for the pumphead (II
ATEX label
ATEX This manual has been produced specifically for this ATEX product and contains
manual
21

ATEX marking

21.1

Key

II
2G
Ex h
IIB
T4
Gb
Special conditions of use for safe operation - See section 12 "Special conditions of use for
X
safe operation - Tube materials suitable for use with this equipment" on page 22
PB0347:m-620atex-en-03
An earthing bond links the pumphead guard and the track
2G Ex h IIB T4 Gb X)
information for safe use.
Equipment Group II for above ground areas (surface)
Equipment Category 2G (Gas) - Zone 1
Ignition protection labelling for mechanical devices
Group IIB – typical gas: Ethylene
Temperature classification (Gas) ≤ 135°C
Group II (Gas); protection Level: High
Watson-Marlow Ltd
TR11 4RU, United Kingdom
II 2G Ex h IIB T4 Gb X
Tech. File Ref. ATEX-WM
38