Hastelloy« centrifugal pumps
Hastelloy for outstanding corrosion resistance
Hastelloy is known as a 'superalloy'
or 'high-performance alloy'.
MDM has manufactured
pumps in Hastelloy C-22«, which is a versatile
nickel-chromium-molybdenum-tungsten alloy, with outstanding resistance
to pitting, crevice corrosion, and stress corrosion cracking.
Hastelloy centrifugal pump
for hygienic applications
All wetted metal parts of the
centrifugal pump are machined from Hastelloy solid bar (ie
pump cover, impeller, impeller locknut, impeller key, pump stub-shaft, and housing
plate). The pump is fitted with a mechanical seal with Hastelloy wetted
The non-wetted metal parts
of the pump head are manufactured from stainless steel 316L.
As an option the pump
can be supplied with an internal surface finish of 0.5ÁmRa (including the
wetted metal parts of the mechanical seal).
« Hastelloy and C-22 are the registered trade marks of
Haynes International, Inc. www.haynesintl.com/cralloys.htm