pressure differential valve

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• pressure differential valve — Senses unbalanced hydraulic pressure between two halves of the split brake system …   Dictionary of automotive terms

• pressure differential switch — A hydraulic pressure operated switch (often included in a combination valve) which activates the brake failure warning light when one of the brake circuits (in a dual circuit system) falls due to a system leak and associated pressure drop …   Dictionary of automotive terms

• Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… …   Wikipedia

• Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …   Wikipedia

• Pressure vessel — Vertical pressure vessels installed in a structure A pressure vessel is a closed container designed to hold gases or liquids at a pressure substantially different from the ambient pressure. The pressure differential is dangerous and many fatal… …   Wikipedia

• combination valve — [1] A brake system hydraulic control device includes a pressure differential valve, metering valve, and proportioning valve [2] A hydraulic valve usually incorporating a pressure differential warning switch, a metering valve and a proportioning… …   Dictionary of automotive terms

• differential pressure — The pressure difference between two systems or volumes. Normally, it refers to cabin pressurization, and the gauge shows the differential pressure in addition to the cabin altitude. Once the differential pressure exceeds a specified figure, the… …   Aviation dictionary

• Pressure — This article is about pressure in the physical sciences. For other uses, see Pressure (disambiguation). Pressure as exerted by particle collisions inside a closed container …   Wikipedia

• pressure — 1. A stress or force acting in any direction against resistance. 2. (P, frequently followed by a subscript indicating location)In physics and physiology, the force per unit area exerted by a gas or liquid against the walls of its container or… …   Medical dictionary

• differential-pressure valve — Inside the Bosch CIS fuel distributor, these valves (there is one for each cylinder) maintain a constant pressure drop at each of the control plunger slits, regardless of changes in the quantity of fuel flow …   Dictionary of automotive terms

• Reduced pressure zone device — A Reduced Pressure Zone Device (RPZD, RPZ or RPZ valve) is a type of backflow prevention device used to protect water supplies from contamination. An RPZD is considered suitable for high hazard applications, that is, where the consequence of… …   Wikipedia