Industrial valves. Multi-turn valve actuator attachments1 Scope This document specifies the requirements for the attachment of multi turn actuators to valves. Throughout this document, actuator may 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

with the exception of the use of grinders in potentially explosive atmospheres

Identification

2 – Specification for 35 mm film sprockets about

BS 4857-1 is the first part of the BS 4857 series that describes methods of thermal and aerodynamic testing and rating for high pressure terminal reheat units with or without flow rate controllers

Some of them can additionally compensate the pre-existing harmonic distortion of a given supply side voltage

Recommendations for the design of lighting for urban centres and public amenity areas

specifies methods of test for the classification of soil and for the determination of basic physical properties

Who is ISO 14920 for

recover and interpret the results as appropriate for the particular sterilization process used

conservators and project managers to assess the correct lighting that can assure the safeguarding of the exhibits

and management of information throughout the operational and end-of-life phases of assets where building information modelling is used

design flexibility