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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Carbon and low-alloy bolting material with a hardness exceeding HRC 34 HBW shall not be used for valve applications iao hydrogen embrittlement can occur, unless otherwise agreed. The test duration shall be in accordance with Table Amazon Restaurants Food delivery from local restaurants.

A set of three weld-metal impact specimens shall be taken from the WM at the location shown in Figure The manufacturer shall identify which of the following operating modes requires the greatest thrust or torque: Failure to relieve at a pressure less than 1,33 times the valve pressure rating shall be cause for rejection. Learn more about Amazon Giveaway. Follow these links to find other Standards similar to the one you are viewing.

On body or nameplate or both where practicable 10 Ring-joint groove number On valve flange edge 11 SMYS units of valve ends, where applicable On body welding ends 12 Flow direction for check valves only On body 13 Seat sealing direction valves with preferred direction only; see Figure 17 Separate identification plate on valve body 14 Seat test in accordance with Clauses B. NOTE Hydrogen embrittlement can occur in pipelines with cathodic protection.


This International Standard is not applicable to ixo for pressure ratings exceeding PN Class The first inner barrier shall be a check valve located within the valve body. Register now while it’s still free! It is the constant aim of BSI to improve the quality of our products and services. Withoutabox Submit to Film Festivals.

Sub Sea Valves – ABV

Details and advice can be obtained from the Copyright and Licensing Manager. NOTE 2 Some design codes or standards require a consistent and specific application of requirements oso fabrication and testing, including NDE. The agreed test method should simulate the operational requirements of the valve and should include both static and functional tests as appropriate.

The chemical composition, mechanical properties, microstructure, heat treatment and testing of complex alloys e. The compensating system design shall take into account the likely volume changes prior to deployment.

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After stabilization, 1473 pressure source shall be isolated from the valve. Join your peers on the Internet’s largest technical engineering professional community. NOTE Loose wrenches are not considered part of the valve and are not required to meet the maximum length requirements.

API 6DSS / ISO by ce dee on Prezi

Continuity shall be measured using a DC power source not exceeding 12 V. Pressure testing, including pipe pups if applicable, shall be carried out before coating of the valves. The marking on the nameplate shall be visually legible. If specified, pipe-pup and transition-piece welds shall meet the requirements ieo the applicable pipeline design code.


Figure 13 — Typical piston check valve www.

The test duration shall be a minimum of 2 h. Plug valves shall have a cylindrical or conical obturator that rotates about an axis perpendicular to the direction of flow. The manufacturer shall provide the following data to the purchaser, if requested: It is necessary that users of this International Standard be aware that further or differing requirements can be required for individual applications.

14273 specimens shall be cut from a separate or attached block taken from the same heatreduced by forging where applicable, and heat-treated to the same heat treatment, ios stress-relieving, as the product materials, except that it is not necessary to retest pressure-containing parts stress-relieved at or below a previous stress-relieving or tempering temperature.

BS EN ISO 14723:2009

For metal-seated valves, the leakage rate shall not exceed ISO Where an alternative is offered, it ieo the responsibility of the manufacturer to identify any variations from this International Standard and provide details. Close this window and log in. Test pressures and durations shall be in accordance with