Positive displacement definition

Positive displacement means the mechanical displacement of a volume of fluid.

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Positive displacement means the way the energy of a working fluid is transformed into mechanical energy, in which variations of volume created by the working fluid in a working chamber produce equivalent displacements of the mechanical member transmitting the energy, the dynamic effect of the fluid being of minor importance, and vice versa;

Positive displacement means a procedure whereby a material such as grout is first introduced at the bottom of an interval and is pumped or placed upward through the interval, displacing fluids within the interval.

Examples of Positive displacement in a sentence

Positive displacement meters shall be installed and Gas volumes computed in accordance with generally accepted industry practices.
Positive displacement screw pumps may be used when handling fuel and lubricate oils, and reciprocating pumps will be accepted for chemical dosing and metering purposes.
Positive displacement and rotary metering must be performed in accordance with the latest version ANSI B 109.1, B109.2 or B109.3. Turbine metering must be performed in accordance with the latest version of Report No. 7.
Positive displacement meters shall be used to measure those flows where a highly accurate integrated flowing quantity is desired.
Positive displacement roots type rotary air blower model, MX – 6 HP/Capacity: About 170 CFM/Max.
BUSINESS PROFILE ▇▇▇▇▇▇ ▇▇▇▇ Manufacturing Liquid Controls Micropump Product Positive displacement Vacuum pumps, air motors, Positive displacement, Small, precision-engineered, offerings rotary vane pumps, single and multi-stage regenerative turbine vacuum generators, regenerative blowers and fractional horsepower turbine and electromagnetic flowmeters.
Positive displacement and turbine metering will be done in accordance with the latest version of ANSI B 109.1, B 109.2, or B 109.3. Turbine metering will be done in accordance with the latest version of A.G.A. Report No. 7.
Positive displacement or turbine meters installed in such Metering Facilities shall be constructed and operated in accordance with the provisions of AGA Measurement Committee Report No. 6 (AGA Report No. 6) dated January 1971, when positive meters are employed, and AGA Measurement Committee Report No. 7 (AGA Report No. 7), First Revision, dated November 1984, when turbine meters are used, with any subsequent amendments or revisions of either report, as mutually agreed upon.
Positive displacement meters used for measuring hereunder shall be calibrated in a manner consistent with normal industry practice.

More Definitions of Positive displacement

Positive displacement means the mechanical displacement of a volume of fluid. "PRECIPITATE" means a solid material that:

Positive displacement means a procedure whereby grout is first introduced at the bottom of an interval and is pumped or forced with other applications of pressure upward through the interval, displacing fluids or air within the annulus.

Positive displacement means the way the energy of a working fluid is transformed into mechanical energy, in which variations of volume created