Effective Length of Rod - The
distance between the load application point and the cylinder resistance
point.
Efficiency, Hydraulic - This efficiency is defined as the actual
head produced by a centrifugal pump to its ideal head.
Elastance Loads - A load analogous to that produced by a spring —
when stretched, it tries to contract, and vice versa as given by Hooke's
law.
Elastomer - An elastic, rubber-like material (such as rubber or
plastic) having elastic properties. At room temperature, it can be stretched
to twice its original length and will snap back to its original length upon
release. Used for seals, hoses and special enclosures.
Electro-hydraulic - A component which converts an electric signal
into a hydraulic signal.
EnBloc Manifold - It is a manifold machined from a solid block of
metal and often contains a large number of control elements interconnected
by drilled passages.
Equation of State - A mathematical expression defining the physical
state of a substance (gas, liquid, or solid) by relating volume to pressure
and to absolute temperature for a given mass of the substance.
Equivalent Length - An expression for pressure loss of fittings and
conduit interruptions in terms of equivalent length of a straight conduit of
specified diameter.
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