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prEN ISO 5210 Viešoji apklausa

Komentavimo iki data 2025-05-04

Pramoninės sklendės. Daugiasūkės sklendės pavaros prijungimas (ISO/DIS 5210:2025)

This document specifies the requirements for the attachment of multi-turn actuators to valves. Throughout this document, “actuator” can be understood as “actuator and/or gearbox” providing a multi-turn and/or linear output. It specifies: — flange dimensions necessary for the attachment of actuators to industrial valves [see Figure 1 a)] or to intermediate supports [see Figure 1 b)]; — those driving component dimensions of actuators which are necessary to attach them to the driven components; — reference values for torque and thrust for flanges having the dimensions specified in this document.

Skaityti, komentuoti projektą Peržiūrėti metaduomenis

prEN ISO 8739 Viešoji apklausa

Komentavimo iki data 2025-04-20

Tvirtinimo detalės. Kreipiamieji kaiščiai su tolygiais grioveliais. Viso kaiščio ilgio grioveliai rombiniais galais (ISO/DIS 8739:2023)

Skaityti, komentuoti projektą Peržiūrėti metaduomenis

prEN ISO 5211 Viešoji apklausa

Komentavimo iki data 2025-04-29

Pramoniniai uždarymo ir reguliavimo įtaisai. Pasukamosios pavaros prijungimas (ISO/DIS 5211:2025)

This document specifies requirements for the attachment of part-turn actuators, with or without gearboxes, to industrial valves. The attachment of part-turn actuators to control valves in accordance with the requirements of this document is subject to an agreement between the supplier and the purchaser. This document specifies: — flange dimensions necessary for the attachment of part-turn actuators to industrial valves [see Figures 1 a) and 1 c)] or to intermediate supports [see Figures 1 b) and 1 d)]; — driving component dimensions of part-turn actuators necessary to attach them to the driven components; — reference values for torques for interfaces and for couplings having the dimensions specified in this document. The attachment of the intermediate support to the valve is out of the scope of this document.

Skaityti, komentuoti projektą Peržiūrėti metaduomenis

prEN ISO 22109 Viešoji apklausa

Komentavimo iki data 2025-04-29

Pramoniniai uždarymo ir reguliavimo įtaisai. Uždarymo ir reguliavimo įtaisų pavarų dėžės (ISO/DIS 22109:2025)

This document provides basic requirements for gearboxes to operate industrial valves for manual and automated on/off and modulating duties, this includes manual override gearboxes. It includes guidelines for classification, design and methods for conformity assessment. It does not cover gear systems which are integral part in the design of valves and subsea gearboxes. Other requirements or conditions of use different from those indicated in this document are agreed between the purchaser and the manufacturer or supplier (first party), prior to order.

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