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A rivet with a head shaped like a truncated cone.



Related Terms

COUNTERSUNK RIVET

A rivet head seated flush with the plate surface

RIVET

A metal pin pushed through matching holes drilled through two or more plates that is hammered into a domed head at each end in order to squeeze the plates together.

FLATHEAD RIVET

A small rivet with a flat manufactured head used for general-purpose riveting.

TOTAL DYNAMIC HEAD

The velocity head plus all frictional losses and the static head.

DYNAMIC SUCTION HEAD

Positive static suction head minus friction head and minus velocity head.

HEAD

The measure of the pressure expressed in feet of height of water: 1 psi = 2.31 feet of water.

NPSH

This is the abbreviation for Net Positive Suction Head. This is an expression used in cargo pumping calculations. It is the pressure at the pump inlet and is the combination of the liquid head plus the pressure in the vapor space.

HEADSTICK

The spar laced to the head of the topsail.

TAFFRAIL

The rail at the stern of the boat that covers the head of the counter timbers.

SUCTION LIFT

The combination of static suction lift and friction head in the suction piping when the source of liquid is below the pump centerline.

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