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Dixon Sanitary 2014
800.789.1718
Technical
Glossary of Terms
Viscosity
Resistance to flow. Internal friction of a liquid tending to reduce flow.
FKM
A DuPont manufactured elastomer widely used in the sealing industry. FKM is the generic equivalent.
Volute (casing)
Casing surrounding the pump impeller. The volute converts velocity energy to pressure energy.
WOG
Water, Oil, Gas. Pressure rating for valves handling these products. This does not include steam.
WHP
Water Horse Power. The calculated horse power coming out of the pump.
WHP = head x gpm
3960
Washdown Duty
Motor enclosure that is suitable for a liquid washdown atmosphere.
Water Hammer
See
surge
Waviness
undulations or rippling of the surfaces.
Welding
Join two (or more) pieces of material by applying heat to produce a localized union through fusion across the
interface. For sanitary fittings, a ferrule is attached to the ends of a tube fitting by TIG welding without the addition of filler metal.
Tube fittings can then be joined with clamps and gaskets to form parts of a system.
Work (Strain) Hardening.
An increase in hardness and strength caused by plastic deformation at temperatures below
the annealing ranges.
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