Industrial valves. Diaphragm valves made of metallic materialsWhat is BS EN 13397 Diaphragm valves made of metallic materials about? Diaphragm valves are equipment used in various industries to control the flow of liquids and gases. It consists of a valve body with multiple ports, an elastomeric diaphragm, and a seat upon which the diaphragm closes the valve. The valve body is constructed from plastic, metal, wood or other materials depending on the intended use. BS EN 13397 specifies requirements for diaphragm

Step B: Determination of adjusted capacity

BS 7194 provides general information for markings and symbols that enhances the quality of the product

it is called the staircase method

This European Standard is applicable to PE pipes and fittings for the following types of joints:

if ignited

BS EN 14614 provides guidance on the features to be recorded when characterising and assessing the hydromorphology of rivers

This part of IEC 61189 specifies the conductive anodic filament (hereafter referred to as CAF) and specifies not only the steady-state temperature and humidity test

flooring grade asphalt and existing hard floor finishes in normal conditions

Every sterile barrier system shall fulfil the requirements of BS EN ISO11607-1

methods of hydrolysis

the document describes the core data categories related to referential entities and link structures

BS 5386-4 and BS EN 30-1