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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API 6DSS / ISO by ce dee on Prezi

If the use of parallel threads is specified, the connection shall have a head section for trapping and retaining a sealing member suitable for the specified valve service. Figure 13 — Typical piston check valve www. Cavity-relief testing is not required if protection of the cavity against over-pressure 1423 ensured, for both the open and the closed position, by a hole in the obturator or around the seat seal.

NOTE Loose wrenches are not considered part of the valve io are not required to meet the maximum length requirements.

For valves with one seat uni-directional and one seat bi-directional, the directions of both seats shall be specified on a separate identification plate as illustrated in Figure In the case of external pressure, vacuum condition shall be assumed to apply inside the valve. The first inner barrier shall be a check valve located within the valve body. The output of the actuator shall not exceed the stress limits of the valve drive train permitted by 7.


There’s a problem loading this menu right now. Join your peers on the Internet’s largest technical engineering professional community. The maximum force required at the handwheel or wrench to apply the breakaway torque or thrust shall not exceed N 40 lbf. If necessary for assembly, a lubricant with a viscosity not 144723 that of SAE 10W motor oil or equivalent 147223 be used.

Each valve shall be provided with an austenitic stainless-steel nameplate securely affixed and so located that it is easily accessible.

Sub Sea Valves – ABV

Care shall be taken to avoid galvanic couples. Write a customer review. Torque or thrust iwo shall be measured with seats free of sealant, except where the sealant is the primary means of sealing.

The manufacturing method shall ensure flange alignment in accordance with 7. By joining you are opting in to receive e-mail. P indicates information supplied by purchaser. ISOPipe threads where pressure-tight joints are made on isoo threads — Part 1: The direction of closing shall be clockwise, unless otherwise specified. Full-opening through-conduit valves shall have a circular bore in the obturator that allows a sphere to pass with a nominal size not less than that specified in Table 1.

Isk 14 — Bolt hole misalignment www. The test duration shall be in accordance with Table In Figure 17, the symbol to the right indicates iiso bi-directional seat and that to the left indicates the uni-directional seat. The chemical composition of carbon steel welding ends shall meet the following requirements, unless otherwise agreed.


Where an alternative is offered, it is the responsibility of the manufacturer to identify any variations from this International Standard and provide details.

Valves shall be tested with the seating and sealing surfaces free from sealant, except where the sealant is the primary means of sealing. Amazon Drive Cloud storage from Amazon.

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

Follow these links to find other Standards similar to the one you are viewing. Tabulation method for steel valve shells [8] ENUnfired pressure vessels — Part 3: Parallel threads shall comply 1472 ISO This International Standard is not applicable to valves for pressure ratings exceeding PN Class If provided, all sealant injection ports oso have a double barrier.

The valve shall then be closed and the test pressure applied to the appropriate end of the valve. It is important to us that you purchase the right document.

It can be necessary to provide full weld test rings, in the same heat treatment condition as the finished valve, for weld procedure qualification. Amazon Advertising Find, attract, and engage customers. Compliance with a British Standard cannot confer immunity from legal obligations.

Figure 5 — Typical three-piece ball valve www.