EN 15714-3 PDF

EN “Industrial valves – Actuators – Part 3: pneumatic part-turn actuators for industrial valves – Basic requirements” • EN “ Industrial. CSN EN – Industrial valves – Actuators – Part 3: Pneumatic part-turn actuators for industrial valves – Basic requirements, Category: Find the most up-to-date version of DIN EN at Engineering

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External actuator leakage rates at room temperature shall be measured and recorded at the beginning and at the end of the test, at both end of travel positions. Operating time in both directions.

Valve actuator family of standards EN 15714 -1,-2,-3 and -4

The minimum duration for the leakage detection test shall be: It is incorporated by Royal Charter. See manufacturer’s drawings, materials 4.

Unheated buildings where sn may occur, e. General introduction and designation system ISO CopyrightCopyright subsists in all BSI publications. Coastal areas with low salinity. Protective paint systems ISO The relationship between air volume V and dimensions of connections “2” and “4” are given as guidelines. Mating dimensions between differential pressure type measuring instruments and flanged-on shut-off devices up to bar 41,3 MPa IEC The mounting of positioners and signal devices to part-turn actuators is also possible with a bracket with dimensions according to the Table 7 and Figure 5.

When pressurised, direction of movement shall be in accordance with Table 3 below, unless otherwise specified. Calculation method for steel valve shells. A list of organizations represented on ej committee can be obtained onrequest to its secretary. Connections shall be clearly identified with numbers 2 and 4in accordance with ISO For undated references, the latest edition of the referenced document including any amendments applies.

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The actuator manufacturer’s technical documentation shall specify the corrosion protection category according to Table 2.

It is the constant aim of BSI to improve the quality of our products and services. Valve manufacturer, type, size, function and operating characteristics. Immersed in water a Im 1 Immersed in fresh water River installations, hydro-electric power plants.

It shall be possible to adjust the indicator when necessary. Protective paint systems ISO The shaft shall have a slot and a threaded hole according to Figure 4.

If the slot is used as a position indicator it shall be parallel to the pipe axis when the valve is open. It is incorporated by Royal Charter. Classification of environments ISO Pneumatic part-turn actuatorsfor industrial valves — BasicrequirementsICS It is therefore essential that the correct size of actuator is selected together with any associated ancillary equipment.

This publication does not purport to include all the necessary provisionsof a contract. Key a 5,5 for M5 or 6,5 for M6 1 level 1 2 level 2 Figure 5 — Dimensions of optional ancillaries bracket 4. The manual operating forces shall be in accordance with EN C5-M very high — marine Coastal and offshore areas with high Buildings or areas with almost salinity.

Key a 5,5 for M5 or 6,5 for M6 1 level 1 2 level 2 Figure 5 — Dimensions of optional ancillaries bracket 4. Tests, test procedures and acceptance criteria – Supplementary requirements.

CSN EN 15714-3

The following is optional: Copyright Copyright subsists in all BSI publications. For detailsof these and other benefits contact Membership Administration. Im 2 Immersed in sea or brackish water Harbour areas and offshore structures. A list of organizations represented on this committee can be obtained on request to its secretary. Maximum allowable stem torque limitation MAST.

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At the maximum supply pressure, the maximum output torque of the selected actuator shall not exceed the maximum allowable valve stem torque limitation MAST. The minimum test pressure for pressurised parts shall be 1,43 times the maximum allowable pressure. RevisionsBritish Standards are updated by amendment or revision. The maximum allowable pressure shall be at least 0,8 MPa 8 ennunless otherwise specified.

The aim of these guidelines is to provide a clear understanding 1574-3 the torque requirements and what parameters affect the correct actuator selection. Chemical plants, swimming pools, coastal shipyards. The relationship between air volume V and dimensions of connections “2” and “4” are given as guidelines.

BS EN 工业阀门.执行器.第3部分:工业阀门用部分回转气压执行器.基本要求 – MBA智库文档

Pneumatic part-turn actuators for industrial valves — Basic requirements www. The type tests to be performed shall be those given in Table 8. Classification of environments ISO When pressurised, direction of movement shall be in accordance with Table 3 below, unless otherwise specified. The shaft shall have a slot and a threaded hole according to Figure 4. Classification system and qualification procedures for type testing of valves.