Watson-Marlow 620RA, 620REA and 620RE4A ATEX Pumphead User
Manual
PB0347:m-620atex-en-03 1
1 Declaration of conformity 3
2 Introduction 4
3 Pumphead types 5
3.1 Pumphead description 5
4 Warranty 6
5 Information for returning pumps 7
6 Safety notes 7
7 Potential pump hazards 9
8 Pumphead assembly and installation 10
8.1 Installation 10
8.2 Assembly 12
8.3 Pump installation 17
9 Pumphead specification 18
10 Operating parameters 19
11 Tube life 21
12 Special conditions of use for safe operation - Tube materials suitable for use with
this equipment 22
12.1 Permissible tube sizes for IIB rating: 23
12.2 Permissible LoadSure elements for IIB rating: 24
EN