CONTENT
www.sera-web.com 5
TRANSPORT & STORAGE ...........................................................................................................6
General ................................................................................................................................................................... 6
Storage ..................................................................................................................................................................... 6
PRODUCT DESCRIPTION ............................................................................................................ 7
Type key ................................................................................................................................................................... 7
Type plate ................................................................................................................................................................. 8
Notes attached to the product ...................................................................................................................................... 8
Materials .................................................................................................................................................................. 8
Components ...409.2 KM / ...410.2 KM ..................................................................................................................... 9
Components C409.2 KM .......................................................................................................................................... 10
PUMP DATA ........................................................................................................................................................... 18
TECHNICAL DATA .................................................................................................................... 18
ELECTRICAL DATA ................................................................................................................................................... 20
NOISE MEASUREMENT ........................................................................................................................................... 21
VISCOSITY, PUMPED MEDIUM .................................................................................................................................. 21
TEMPERATURE DATA ................................................................................................................................................ 21
AMBIENT CONDITIONS .......................................................................................................................................... 21
Characteristics ......................................................................................................................................................... 22
Dimensions RF409.2 standard ................................................................................................................................... 24
Dimensions ...409.2 options ..................................................................................................................................... 26
Dimensions C409.2 standard .................................................................................................................................... 28
Dimensions C409.2 options ...................................................................................................................................... 30
Dimensions RF410.2 standard ................................................................................................................................... 32
Dimensions ...410.2 options ..................................................................................................................................... 34
ASSEMBLY / INSTALLATION .....................................................................................................36
OPERATION / EXPLOSION-HAZARDOUS AREAS ........................................................................42
Operation in Ex-zone C409.2 ................................................................................................................................... 42
Operation in Ex-zone R409.2 / R410.2 ..................................................................................................................... 42
START-UP .................................................................................................................................44
ELECTRICAL CONNECTIONS ...................................................................................................45
MAINTENANCE ......................................................................................................................46
Drive motor ............................................................................................................................................................. 46
Oil change .............................................................................................................................................................. 47
Overview of the tightening torques ............................................................................................................................. 47
Changing the Diaphragm .......................................................................................................................................... 48
Setting the hydraulic compensating valve .................................................................................................................... 52
When recommissioning please proceed as follows: ...................................................................................................... 54
Spare and wearing parts .......................................................................................................................................... 55
FAULT ANALYSIS / CORRECTIVE ACTION .................................................................................58
Shut-down ............................................................................................................................................................... 60
Disposal .................................................................................................................................................................. 60
SHUT-DOWN / DISPOSAL ........................................................................................................60
CLEARANCE CERTIFICATE ........................................................................................................ 61