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

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