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End suction centrifugal pumps designed so that the pump bearings and pump shaft are independent of the motor. This type of pump requires a coupling between the pump and the motor in order to transfer energy from the motor to the pump.

Related Terms

BEARING

A support or guide by means of which a moving part such as a shaft or axle is positioned with respect to the other parts of a mechanism.

CAM

Eccentric shaft used in most internal combustion engines to open and close valves.

END CAP

A ported or closed cover for the end of a filter element.

ENVIRONMENTAL CONTAMINANT

All material and energy present in and around an operating system, such as dust, air moisture, chemicals, and thermal energy.

FILTER HEAD

An end closure for the filter case or bowl that contains one or more ports.

ATOMIC ABSORPTION SPECTROSCOPY

Measures the radiation absorbed by chemically unbound atoms by analyzing the transmitted energy relative to the incident energy at each frequency. The procedure consists of diluting the fluid sample with methyl isobutyl ketone (MIBK) and directly aspirating the solution. The actual process of atomization involves reducing the solution to a fine spray, dissolving it, and finally vaporizing it with a flame. The vaporization of the metal particles depends upon their time in the flame, the flame temperature, and the composition of the flame gas. The spectrum occurs because atoms in the vapor state can absorb radiation at certain well-defined characteristic wave lengths. The wave length bands absorbed are very narrow and differ for each element. In addition, the absorption of radiant energy by electronic transitions from ground to excited state is essentially and absolute measure of the number of atoms in the flame and is, therefore, the concentration of the element in a sample.

FILTER HEAD

An end closure for the filter case or bowl which contains one or more ports.

INTERFACIAL TENSION (IFT)

The energy per unit area present at the boundary of two immiscible liquids. It is usually expressed in dynes/cm (ASTM Designation D 971.)

STEALER

A single wide plate that is butt-connected to two narrow plates, usually near the ends of a ship.

JOURNAL

That part of a shaft or axle that rotates or angularly oscillates in or against a bearing or about which a bearing rotates or angularly oscillates.
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