Rotating head definition

Rotating head means a rotating, pressure sealing device used in drilling operations utilizing air, gas, foam, or any other drilling fluid whose hydrostatic pressure is less than the formation pressure.

Examples of Rotating head in a sentence

  • The Chairman of the APPG, Bob Neil MP addressed the gathering and provided an update on the current Brexit bill in the Commons and the Lords.

  • Rotating head sprinkler systems should operate no more than thirty minutes per zone.

  • Figure 10: Drip Irrigation Rotating head system: Here small sized nozzles are placed on riser pipes fixed at uniform intervals along the length of the lateral pipe .

  • The spay emanating from the perforations are directed on both sides of the pipe and can cover a strip of land 6 m to 15 m wide.Figure 7-1 Type of sprinkler irrigation system Rotating head systemPerforated pipe system Based on the installations of the system, sprinklers are grouped into portable, semi-portable and permanent types.

  • Rotating head with hawser allows for export tanker to weathervan freely.

  • Specifications- Rotating head- 260 GPM at 100 PSI- Weighs 3-1/2 pounds- 2-1/2" female swivel inlet Uses- Shipfires- Basement fires Maintenance- Lubricate moving parts Safety- The nozzle does not have a shutoff.

  • Mr. Martin Douglas, brother of Mr. Thomas Douglas, stated that “I was a civil servant in the British Government for 28 years, and files do not just go missing.

Related to Rotating head

  • PVC means Price variation clause

  • Freeboard height means for vapor degreasers the distance from the top of the vapor zone to the top of the degreaser tank. For cold cleaners, freeboard height means the distance from liquid solvent level in the degreaser tank to the top of the tank.

  • Disinfectant means any oxidant, including but not limited to chlorine, chlorine dioxide, chloramines, and ozone added to water in any part of the treatment or distribution process, that is intended to kill or inactivate pathogenic microorganisms.

  • Winter Season means the period commencing on November 1 of any year and ending on the next succeeding March 31.

  • Pot or "Trap" means any stationary bottom-fishing contrivance or device made of wood, wire mesh, or plastic mesh, fished individually or linked by a common line and generally baited; used to catch finfish, crabs, conchs, or lobsters that enter through a conical or rectangular opening where escape is difficult.

  • water meter means any apparatus for measuring or showing the volume of water supplied to, or of effluent discharged from any premises;

  • Unit operating hour or "hour of unit operation" means an hour in which a unit combusts any fuel.

  • Skateboard means a board with small wheels that is usually ridden by a person. For purposes of these rules, a nonmotorized scooter (a board with a handle) is considered a skateboard.

  • Taximeter means any device for calculating the fare to be charged in respect of any journey in a hackney carriage or private hire vehicle by reference to the distance travelled or time elapsed since the start of the journey, or a combination of both; and

  • Maximum residual disinfectant level or “MRDL” means a level of a disinfectant added for water treatment that may not be exceeded at the consumer’s tap without an unacceptable possibility of adverse health effects.

  • Yard trimmings means grass clippings, leaves, wood chips from tree parts, and brush.

  • Green building strategies means those strategies that minimize the impact of development on the environment, and enhance the health, safety and well-being of residents by producing durable, low-maintenance, resource-efficient housing while making optimum use of existing infrastructure and community services.

  • mean high water springs or “MHWS” means the highest level which spring tides reach on average over a period of time;

  • Operating Hours means the hours listed in an early learning program parent handbook when the program is open and providing care and services to children.

  • Freeboard means a factor of safety usually expressed in feet above a flood level for purposes of floodplain management. "Freeboard" tends to compensate for the many unknown factors that could contribute to flood heights greater than the height calculated for a selected size flood and floodway conditions, such as wave action, blockage of bridge or culvert openings, and the hydrological effect of urbanization of the watershed.

  • interval meter means a meter that measures and records electricity use on an hourly or sub-hourly basis;

  • Water Surface Elevation (WSE means the height, in relation to mean sea level, of floods of various magnitudes and frequencies in the floodplains of coastal or riverine areas.

  • Historic building means a building, including its structural components, that is located in this state and that is either individually listed on the national register of historic places under 16 U.S.C. 470a, located in a registered historic district, and certified by the state historic preservation officer as being of historic significance to the district, or is individually listed as an historic landmark designated by a local government certified under 16 U.S.C. 470a(c).

  • Flexible vinyl adhesive means an aerosol adhesive designed to bond flexible vinyl to substrates. Flexible vinyl means a nonrigid polyvinyl chloride plastic with at least five percent, by weight, of plasticizer content. A plasticizer is a material, such as a high boiling point organic solvent, that is incorporated into a vinyl to increase its flexibility, workability, or distensibility, and may be determined using ASTM Method E260-91 or from product formulation data.

  • Modular building means, but shall not be limited to, single and multifamily houses, apartment

  • Residual disinfectant concentration means the concentration of disinfectant measured in mg/L in a representative sample of water.

  • Water surface elevation means the height, in relation to the National Geodetic Vertical Datum (NGVD) of 1929, the North American Vertical Datum (NAVD) of 1988, or other datum, where specified, of floods of various magnitudes and frequencies in the floodplains of riverine areas.

  • Stormwater management basin means an excavation or embankment and related areas designed to retain stormwater runoff. A stormwater management basin may either be normally dry (that is, a detention basin or infiltration basin), retain water in a permanent pool (a retention basin), or be planted mainly with wetland vegetation (most constructed stormwater wetlands).

  • Weather Normalized Site EUI means the amount of Energy that would have been used by a property under 30-year average temperatures, accounting for the difference between average temperatures and yearly fluctuations.

  • Ordinary high water mark (NR 115.03(6)) means the point on the bank or shore up to which the presence and action of surface water is so continuous as to leave a distinctive mark such as by erosion, destruction or prevention of terrestrial vegetation, predominance of aquatic vegetation, or other easily recognized characteristics.

  • Stormwater management BMP means an excavation or embankment and related areas designed to retain stormwater runoff. A stormwater management BMP may either be normally dry (that is, a detention basin or infiltration system), retain water in a permanent pool (a retention basin), or be planted mainly with wetland vegetation (most constructed stormwater wetlands).