P

179 Results
  • Preheat

    Preheat is used primarily to slow the cooling rate of a welded component in order to reduce the shrinkage stresses...

  • Preoutfitting

    The installation of both outfit and machinery items in large structural assembly units prior to these units being...

  • Pressure

    The intensity of force or force per unit area. A unit of pressure exists where a unit of force acts on a unit of...

  • Pressure chambers

    Pressure chambers are installed on board diving support vessels. Divers are accommodated inside, observed, medically...

  • Pressure charging

    Increasing the density of the air charge usually accomplished on diesel engines by the use of exhaust gas turborcharging.

  • Pressure surge

    A sudden increase in the pressure of the liquid in a pipeline brought about by an abrupt change in flow velocity...

  • Pressure swing absorption (PSA)

    The technology of inert gas production by the removal of oxygen from air used on LNG tankers.

  • Pressure-vacuum valve (P/V valve)

    A valve which keeps the tank over pressure or under pressure within approved, limits. P/V valve provides for the...

  • Pressurised hold system

    MacGREGOR’s patented ‘hold overpressure system’ is a way of maximising the weathertightness of hatch covers.

  • Prewash

    The mandatory wash of the cargo tanks prior to loading cargo.

  • Primary barrier of membrane containment system, primary membrane

    The inner element designed to contain the cargo when the cargo containment system includes two barriers, (IGC CODE).

  • Primary bridge navigational equipment/systems

    Equipment/systems essential for performance of primary bridge navigational functions: log, echo sounder, gyrocompass...

  • Primary members of the hull structure

    Floors and bottom girders, side stringers and web frames, deck transverses and deck girders, vertical webs and...

  • Prime movers

    All machines that convert primary energy to mechanical energy for use in propulsion or electric supply systems...

  • Primer coat or ground coat (painting)

    The first coat of the coating system applied in the shipyard after shop primer application.

  • Produced fluids

    Fluids coming out of completed wells which may consist of oil, water, gas, and condensable vapour.

  • Product tanker ANGELINA AMORETTI

    ANGELINA AMORETTI was built by Chinese shipyard Jiangsu Yangzijiang according to design from Kiel-based consultancy...

  • Product tanker STENA PARIS

    Claimed to be the safest and most efficient medium-range tanker, STENA PARIS is the first unit of a new series...

  • Product tanker, product carrier

    An oil tanker for carrying oil other than crude oil.

  • Product tanker; Tank cleaning

    Tank cleaning may be required for one or more of the following reasons: 1. To carry clean ballast. 2. To gas free...

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