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projektai-lsd Lithuanian Standards Board
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prEN ISO 22109

Industrial valves - Gearbox for valves (ISO/DIS 22109:2025)

Draft Public enquiry
Comment end date 2025-04-29
Export comments Read draft and comment

Project stage codes

1. Prioritetinių darbo temų pažymėjimas ir ekspertų skyrimas
2. Projektas
3. Viešoji apklausa
From 2025-02-28 till 2025-04-29
4. Closure of enquiry
5. Submission to Formal Vote

Organisation

CEN Europos standartizacijos komitetas

ICS

23.060.01 - Valves in general

Technical Committee

TK 56 Equipment for petroleum industry

ForeignTC'S

CEN/TC 69

Number of comments

0

Comment start date

2025-02-28

Scope

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.