Components of common function.

  • Note: 1 to entry: Pipes, prime connections, flanges, reducers, tees and elbows are examples of different component types.

Source: ISO 14692-1:2017, Petroleum and natural gas industries — Glass-reinforced plastics (GRP) piping — Part 1: Vocabulary, symbols, applications and materials, Second Edition, August 2017. Global Standards


A product with unique characteristics or functionality, which differentiates it from other equipment.

Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards


SSSV equipment with unique characteristics which differentiate it from other functionally similar SSSV equipment.

  • EXAMPLES: SCSSV, velocity-type SSCSV and low-tubing-pressure-type SSCSV are types of SSSV.

Source: API SPEC 14A, Specification for Subsurface Safety Valve Equipment, Eleventh Edition, October 2005 (Reaffirmed June 2012). Global Standards



Type, in relation to the design of a lifeboat release and retrieval system, means an identical lifeboat release and retrieval system of given safe working load, make and model (thus any change to the materials of construction, design arrangement or dimensions constitutes a change of type).

Source: IMO MSC.1/Circ.1392, Guidelines for evaluation and replacement of lifeboat release and retrieval systems, 27 May 2011, International Maritime Organization. Regulatory Guidance

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