Definox DPX EBC, Maintenance Manual, Page: 5 / 15

MAINTENANCE MANUAL
NM-283 Index 1
Page 5/15 April 2022
EBC MANUAL BUTTERFLY VALVE MAINTENANCE INSTRUCTIONS
(right or left opening, with IO-LINK detection)
3
INTRODUCTION
CAUTION:
Before any intervention, it is necessary to check with the person in charge that
the installation is stopped and drained (empty and unpressurised pipes, pumps stopped,
tanks isolated or empty).
4
DISASSEMBLY AND REASSEMBLY OF EBC BUTTERFLY VALVE
SUB-ASSEMBLY
For disassembly, reassembly, and maintenance of DPX EBC sub-assemblies, refer to the
maintenance manual:
NM-222 for DPX EBC.
5
DISASSEMBLING THE MANUAL SYSTEM
5.1
SEPARATING THE MANUAL SYSTEM:
Remove the handle assembly [1] and [4] from the hub [2a] or [2b] and recover the spring
[3].
Rep DESCRIPTION Nb DN 25 to 80 DN 100 to 150
1 Handle (With or without sleeve) 1 7030748 7030769
2a Hub for MVQ detection (Right hand opening) 1 7818991 7819065
2b Hub for MVQ detection (Left hand opening) 1 7819064 7819067
3 Spring 1 7380305 7007750
4 Sleeve 1 Depending on configuration
CAUTION!
1
4
2a
3
2b
or