The basis of the comprehensive pump range of the German pump manufacturer Rheinhütte Pumpen consists of three material groups Metal, Plastics and Ceramics. Rheinhütte Pumpen develops individual concepts for sophisticated applications providing flexible and economic solutions for special projects. Rheinhütte Pumpen also offers an extensive pump range for standardized applications.
Areas of Application:
Cathodic Dip Coating Process
Chlor-alkali Electrolysis
Concentrated Solar Power
Fertiliser Production
Flue Gas Cleaning in Waste Incineration Plants
Industrial Manufacture of Sulphuric Acid
Molten Salts
Molten Sulphur
Production of Titanium Dioxide
Steel and Stainless Steel Pickles
Materials:
Metal:
More than 30 types, cast iron, cast steel, silicon iron, high alloyed metals, nickel based metals, pure metals.
Plastic:
All common plastics available, PP, PE1000 (UHMWPE), PVDF, ETFE, PFA, PTFE.
Ceramics:
Will work if nothing else does, Frikorund®, Frikotherm®, SiSiC.
Plastic Materials: Polyolefins
Polypropylen PP
economical alternative to high grade metallic materials
suitable for pumping salt solutions, dilute alkalis and acids, hydrochloric acid pickling solutions
working temperatures between 0° C (32 °F) and 100° C (212 °F)
Polyethylene PE 1000 (UHMW-PE)
ultra high molecular low pressure PE is used
temperature range between -50° C (-58°F) and 80° C (176 °F)
general resistance to corrosion
high resistance to wear
Plastic Materials: fluoro-polymers I
Polyvinylidenfluorid PVDF
excellent general corrosion resistance
high resistance to stress cracks and ability to withstand UV
temperature range between -20° C (-4° F) and 130° C (266° F)
suitable for pumping hydrofluoric acid at all concentrations up to
boiling point, liquids containing halogens, nitric/hydrofluoric acid
pickling solutions, evaporation of waste hydrofluoric acid
Not useable in caustic fluids; pH >12 !!!!
Ethylenetetrafluoroethylene ETFE
is a fluoropolymer that provides an inexpensive alternative to PFA
temperature range between -20° C (-4°F) and 150° C (302 °F),
(in special cases up to max. 170 °C (338 °F)) in aggressive and corrosive media
Plastic Materials: fluoro-polymers II
Perfluoralkoxi PFA
PFA is a perfluorated alkyvinyl ether
centrifugal pumps with PFA-lining can be used up to 180° C (374° F)
nearly universal resistance to chemicals
Polytetrafluorethylen PTFE
tradename Teflon – but not extrudeable!
shows an exceptional resistance against nearly all organic and inorganic media over a wide temperature range.
Centrifugal pumps made of PTFE can be used between -50 °C (-58 °F) and 180 °C (356 °F)
Centrifugal Pumps in Solid Plastic and Plastic Lined Materials
Horizontal:
standardized chemical pumps: CPDR, RCNKu, FNP,RNP
magnetic drive pumps: FNPM
small capacities: RCKu(F)
free flow pumps: CPRF, RCFKu
self-priming pumps: RSKu, RSKuM
Vertical:
submerged chemical pumps: RVKu, RKuV(F), RKuVL
