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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M-P indicates information supplied by manufacturer when required by purchaser. Undercut shall not reduce the thickness in the area considering both sides to below the minimum thickness. Final NDE activities shall be conducted after heat treatment, unless otherwise agreed. Amazon Restaurants Food delivery from local restaurants.
Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. 1723
Alexa Actionable Analytics for the Web. Get to Know Us. The valve unique serial number shall be of such a size that it is visually legible; however the stamp size shall not be smaller than 6 mm 0.
In Figure 17, the symbol to the right indicates the bi-directional seat and that to the left indicates the uni-directional seat. Materials for external components shall be suitable for the subsea environment or shall be suitably protected. The purchaser shall specify any other construction, test, functional or accidental load combinations that shall be accounted for in the design. Appropriate safety precautions shall be taken. Where the material specification or the pipeline-design standard requires impact values higher than those shown in Table 8, the higher values shall apply.
Means shall be provided to prevent over-pressure in the actuator or gearbox from stem or bonnet seal leakage. The maximum operating pressure at the minimum and maximum operating temperatures shall be marked on the nameplate. Valves requiring input forces exceeding that specified in 7. ISO shall not be held responsible for identifying any or all such patent rights. Carbon and low-alloy bolting material with a hardness exceeding HRC 34 HBW shall not be used for valve applications where hydrogen embrittlement can occur, unless otherwise agreed.
The valve shall be operated for each appropriate condition defined in If you need help with the purchase or have any queries please email enquiries standards.
Figure 5 — 17423 three-piece ball valve www. Amazon Drive Cloud storage from Amazon. If the purchaser is 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. Learn more about Amazon Giveaway.
The purchaser shall specify whether 1473 is required that a gearbox or an actuator be capable of being removed from iiso valve subsea. Test pressures and durations shall be in accordance with The purchaser shall specify which particular supplementary tests in Annex B shall be performed.
Sub Sea Valves – ABV
Revisions British Standards are updated by amendment or revision. Key 1 flange 2 hole in first flange 3 hole in opposite flange to be aligned a Bolt hole misalignment see 7.
The maximum force required at the handwheel or wrench to apply the breakaway torque or thrust shall 144723 exceed N 40 lbf. Cavity-relief testing is not required if protection of lso cavity against over-pressure is ensured, for both the open and the closed position, by a hole in the obturator or around the seat seal.
The first inner barrier shall be a check valve located within the valve body. Handwheel diameter s should not exceed the face-to-face or end-to-end length of the valve or 1 mm, whichever is smaller, unless otherwise agreed.
API 6DSS / ISO by ce dee on Prezi
Register now while it’s still free! It is designed to cover every economic sector and virtually every activity of the humankind where technical standards may be used. It is the constant aim of BSI to improve the quality of our products and services. Charpy impact values for full-size specimens of duplex stainless steel weldments shall be as follows: Thank you for helping keep Eng-Tips Forums isl from inappropriate posts.
If 1723 of the above standards applies, the selection of another design code or standard shall be by agreement. The use of test fixtures is also allowed, by agreement, when circumstances dictate. Minimum sizes shall be in accordance with Table 7 or by agreement. NOTE This design factor is to allow for thrust or torque increase in service due to infrequent cycling, low-temperature operation and the adverse effect of debris. Commissioning and hydrostatic test conditions shall ios be considered and may require corrosion protection.
Follow these links to find other Standards iao to the one you are viewing. Each valve shall be provided with an austenitic stainless-steel nameplate securely ios and so located that it is easily accessible. The seat test duration shall be as specified in Table The purchaser should as a minimum provide the partial pressure of H2S, percent chlorides, pH and temperature. Defects shall not exceed the following limits, unless otherwise agreed: Copyright Copyright subsists in all BSI publications.
Sub Sea Valves ABV
NOTE Non-metallic parts can isso maximum pressures and minimum and maximum operating temperatures. This International Standard specifies requirements and gives recommendations for the design, manufacturing, testing and documentation of ball, check and gate valves for subsea application in offshore pipeline systems meeting the requirements of ISO for the petroleum and natural gas industries.
A minimum of one impact test, comprised of a set of three specimens, shall be performed on a representative test bar of each heat of the material in the final heat-treated condition. Figure 14 — Bolt hole misalignment www.