LSB german_french_english 771076129 - Water Solutions

Installation, Operation and Maintenance InstructionModel LSBInstallation Manual - Single mech. seal with quench without shaft sleeve(Design code S4..2)1. Safety InstructionsEvery person, who is responsible for theinstallation, removal, operation, start-up andmaintenance of the shaft seal, must also haveread and understood the Installation, Operationand Maintenance Instruction of the particularpump and especially chapter 8.1 "Generalremarks" and chapter 8.2 "General", and followthe instructions under any circumstances!For pumps which are designed in conformitywith the Directive 94/9/EG (Atex95) forenvironment endangered to explosion, theadditional Operating Instruction for explosionprotection of the mech. seal must be noticed.The following descriptions are only valid commonly, asfar as they refer to the inner design of the mech. seal.For possible particularities refer to the data sheet ofthe mech. seal or instruction of the mech. sealmanufacturer.2. DescriptionThis shaft seal is a single mech. seal with installationdimensions acc. EN 12756 (DIN 24960) design "K",form "U". API plan 62 / ISO plan 09. The resistance ofthe materials in the mech. seal chamber (especially ofelastomeres) against the quench liquid has to benoticed.The quench chamber must be flown through by thequench liquid without pressure. For connection refer tothe following sectional drawing.The liquid of the quench must be selected insuch way that there can not occur anydangerous reactions with the handled fluid. Theliquid of the quench can be contaminated due tothe handled fluid, therefore the operator mustcare for an adequate disposal.Because of the patented Cyclone Seal Chamber noadditional flushing of the seal chamber is necessary.For description of materials and operational range ofthe mech. seals supplied please refer to the datasheet in the Operation Instruction resp. orderconfirmation.QI ... Quench suction (471Q)Q0 ... Quench discharge (471Q)LSB 100-english page 92 Revision 02Artikel Nr. 771076129 Ausgabe 01/2010