Specifications

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INSTALLATION, OPERATION AND MAINTENANCE MANUAL
FOR DURALOBE
®
ROTARY LOBE PUMPS.
1.0 SAFETY INFORMATION. _______________________________________ 3
RISK ASSESSMENT RELATING TO THE USE OF VIKING PUMP DURALOBE ROTARY LOBE
PUMPS AND PUMP UNITS IN POTENTIALLY EXPLOSIVE ATMOSPHERES
. ______________ 6
2.0 INTRODUCTION. ______________________________________________ 7
2.1 GENERAL. ___________________________________________________ 7
2.2 VIKING PUMP DISTRIBUTORS. _____________________________________ 7
2.3 RECEIPT AND STORAGE._________________________________________ 7
2.4 CLEANING. __________________________________________________ 8
2.5 PUMP MODEL DESIGNATION. _____________________________________ 8
2.5.1 A
TEX INFORMATION PLATE _____________________________________ 9
2.5.2 E
QUIPMENT GROUPS & CATERGORIES_____________________________ 9
2.6 PUMP MODEL AND SERIAL NUMBER. _______________________________ 10
2.7 STANDARD PUMP COMPONENT TERMS._____________________________ 11
3.0 GENERAL. __________________________________________________ 12
3.1 DURALOBE
®
PUMPING PRINCIPLE._________________________________ 12
3.2 DURALOBE
®
PUMP OPERATING PARAMETERS. ________________________ 13
3.3 SYSTEM DESIGN. _____________________________________________ 14
3.3.1 SYSTEM DESIGN AND INSTALLATION. _____________________________ 14
3.3.2 INSTALLATIONS WITH CIP SYSTEMS. _____________________________ 16
3.4 START UP PROCEDURE.________________________________________ 16
3.6 ROUTINE MAINTENANCE. _______________________________________ 18
3.7 HEATING AND COOLING DEVICES _________________________________ 18
3.8 INTEGRAL PRESSURE RELIEF VALVES ______________________________ 21
3.8.1 SETTING AND OPERATING SPRING LOADED VALVES __________________ 22
3.8.2 SETTING AND OPERATING AIR LOADED VALVE ______________________ 23
4.0 DURALOBE
®
PUMP DISMANTLING AND ASSEMBLY. ______________ 30
4.1 DISASSEMBLY._______________________________________________ 31
4.1.2 C
ARTRIDGE REMOVAL _______________________________________ 33
4.1.3 CARTRIDGE DISASSEMBLY ____________________________________ 34
4.2 ASSEMBLY. _________________________________________________ 35
4.2.1 C
ARTRIDGE ASSEMBLY _______________________________________ 35
4.2.2 CARTRIDGE TO ROTORCASE ASSEMBLY___________________________ 39
4.2.3 ROTOR ASSEMBLY AND SETTING ROTOR CLEARANCES________________ 41
4.2.4 GEARBOX COVER ASSEMBLY __________________________________ 43
4.3 PRODUCT SEAL FITTING AND REMOVAL. ____________________________ 44
4.3.1 GENERAL PROCEDURES FOR FITTING MECHANICAL SEALS._____________ 44
4.3.2 SINGLE MECHANICAL SEAL ____________________________________ 45
4.3.3 SINGLE FLUSHED MECHANICAL SEAL_____________________________ 47
4.3.4 DOUBLE MECHANICAL SEAL ___________________________________ 49
4.3.5
SINGLE O-RING SEAL________________________________________ 51
4.3.6 D
OUBLE O-RING SEAL _______________________________________ 52
4.3.7 TRAPPED SLEEVE___________________________________________ 53
4.3.8 HYBRID DOUBLE MECHANICAL 2000 SEAL _________________________ 54