ISO 14723 PDF

ISO. First edition. Petroleum and natural gas industries —. Pipeline transportation systems — Subsea pipeline valves. Industries du pétrole . ISO (E). PDF disclaimer. This PDF file may contain embedded typefaces. In accordance with Adobe’s licensing policy, this file may. Dear all, I am looking for this spec, ISO / API 6DSS Petroleum and natural gas industries — Pipeline transportation systems — Subsea pipeline valves.

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Standards Catalogue

For valves larger than DN NPS 4the maximum total allowable misalignment from face-to-face shall be no greater than 3 mm 0. The manufacturer shall state the maximum permissible input torque or thrust for the valve operator. Corrosion-resistant valves shall be blast-cleaned with sand or other non-ferrous medium prior to shipment and shall not be coated, unless otherwise agreed. Pressure shall then be applied whilst monitoring leakage through each seat at both ends of the valve.

The test duration shall be in accordance with Table B. Ieo stainless steel used isl pressure-containing and pressure-controlling parts shall include a microstructure examination in accordance with the ASTM E point-count method. Charpy impact values for other materials shall be by agreement.

NOTE 1 Venturi or reduced-bore valves are not suitable for most pigging operations, including intelligent pigging, but can allow the passage of foam pigs. Resources Digital Transformation may be defined in a number of different ways by analysts or enterprise software vendors.

The travel stops shall not affect the sealing capability of the valve.

Commissioning and hydrostatic test conditions shall also be considered and may require corrosion protection. Use of other materials shall be by agreement. Learn more about Amazon Giveaway. Figure 3 — Typical plug valve www. East Dane Designer Men’s Fashion.


Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework. If the purchaser iao responsible for the supply of the operator assembly, the purchaser shall provide adequate information to enable the manufacturer to verify the suitability of the lifting points for the complete assembly.

The frequency of testing shall also be specified by the purchaser, if not defined in this annex. The hardness of ferrous and non-ferrous materials that are subject to cathodic protection shall not exceed 34 HRC HBW.

The test duration shall be in accordance with Table The manufacturer shall be responsible for complying with all of the applicable requirements of this International Standard. Defense manufacturing is all about project manufacturing and project accounting.

Face-to-face and end-to-end dimensions for valve sizes not specified in Tables 2 to 6 shall be in accordance 144723 ASME B This second edition cancels and replaces the first edition ISO There is no restriction on isk upper limit of valve bore sizes.

Diferences Between API 6D SS and ISO – Marine/Ocean engineering other topics – Eng-Tips

Graphite should not be used 1423 stem packing, seals or gaskets that can come into contact with sea water. Functionality of exposed stems and shafts shall take into account the possibility of calcareous growth isl a result of cathodic protection. The purchaser shall specify which particular supplementary tests in Annex B shall be performed. Welding-end valves can require a smaller bore at the welding end to mate with the pipe.

BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards.

International Classification for Standards ICS is an international classification system for technical standards. Thereafter, each seat shall be tested as a downstream seat.


Be the first to review this item Would you like to tell us about a lower price? It shall be permissible for the purchaser to make any investigation necessary in order to be assured of compliance by uso manufacturer and to reject any material that does not comply. Tests specified with the valve half-open may also be performed with the valve fully open, provided the body cavity is simultaneously filled and pressurized through a cavity connection.

If the purchaser specifies that the functionality for the valve be that of double-isolation-and-bleed DIB-1both seats bi-directional, the test described in Clause B.

Sub Sea Valves – ABV

A list of organizations represented on this committee can be obtained on request to 41723 secretary. Amazon Drive Cloud storage from Amazon. The manufacturer shall provide the following data to the purchaser, if requested: NOTE Loose wrenches are not considered part of the valve and are not required to meet the maximum length requirements.

Seat tightness shall be monitored via overflow through the valve cavity connection.

Sub Sea Valves ABV

Valves with a non-circular opening through the obturator shall not be considered full opening. Reduced-opening valves with a non-circular opening through the obturator shall be supplied with a minimum opening by agreement. This can be particularly applicable where there is innovative or developing technology.

The drive train shall be designed such that the weakest component is outside the pressure boundary.