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HPK/HPK-L – Heat Transfer Fluids/Hot Water Pumps in Back Pull-out Design
HPK
HPK-L
Pumps ■ Valves ■ Systems
Industry Water Waste Water Energy Building Services Mining
Applications:■ General industry■ Process engineering■ Hot water and heat transfer fl uid systems
Further information: www.ksb.com/products
1 Easy to serviceMaintenance made easy by back pull-out design and
small spare parts stocks (e.g. standard mechanical seals)
2 ReliableWell proven design used in over 200,000 units
manufactured to date
3 Long operating lifeRobust rolling element bearings and ceramic plain
bearing
4 HPK-L: no cooling water needed up to 350°C (for thermal engineering applications)Heat barrier, large cooling ribs and integrated cooling fan
5 Low operating costsHigh efficiency combined with long service life
HPK/HPK-L – Heat Transfer Fluids/Hot Water Pumps in Back Pull-out Design
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Materials HPK LS, LS4 LE LE4
Volute casing JS 1025 GP240GH+N 1.7706
Casing cover P250GH 1) P250GH 1) C 22.8 1)
Impeller JL 1040 JL 1040 JL 1040
Shaft 1.4021+QT700 1.4021+QT700 1.4021+QT700
Plain bearings SSiC SSiC SSiC
Bearing bracket JS 1025 JS 1025 JS 1025
Seat ring holder 1.4021+QT700 1.4021+QT700 1.4021+QT700
Casing wear ring JL 1040 – –
Shaft sleeve 1.4021+QT700 1.4021+QT700 1.4021+QT700
Impeller nut A4 A4 A4
Pressure class:LS, LE: PN25; LS4, LE4: PN401) Size 315: 1.7335; size 500: LP05/06 P355NL1
Technical data HPK HPK-L
Size 150 - 400 25 - 250 DN
Max. flow rate 4,150 1,330 m³/h
Max. head 185 155 m
Fluid temperature +400 +240 / +350 °C
Max. discharge pressure 40 40 p2 bar
1121
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