An anti-wear additive found in many types of hydraulic and lubricating fluids. Zinc dialkyldithiophosphate.


Related Terms

MATCHED-METALMOLDING

Formingofreinforced-plastic articles between two close-fitting metal molds mounted in a hydraulic press.

MASTER CYLINDER

The container for the fluid and the piston, forming part of a device such as a hydraulic brake or clutch.

KAPLAN TURBINE

A propeller-type hydraulic turbine in which the positions of the runner blades and the wicket gates are adjustable for load change with sustained efficiency.

JET BIT

A modification of a drag bit or a roller bit that utilizes the hydraulic jet principle to increase drilling rate.

INVERT LEVEL

The level of the lowest portion at any given section of a liquid-carrying conduit, such as a drain or a sewer, and which determines the hydraulic gradient available for moving the contained liquid.

HYDROSTATIC PRESSING

Compacting ceramic or metal powders by packing them in a rubber bag which is subjected to pressure from a hydraulic press.

HYDROSEPARATOR

A separator in which solids in suspension are agitated by hydraulic pressure or stirring devices.

HYDROELECTRIC GENERATOR

1. An electric rotating machine that transforms mechanical power from a hydraulic turbine or water wheel.

HYDRAULIC JACK

A jack in which force is applied through the mechanism of a hydraulic press.

HYDRAULIC EXCAVATOR DIGGER

An excavation machine which employs hydraulic pistons to actuate mechanical digging elements.

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