Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar. Performance requirements1 Scope This European Standard deals with metal isolating valves used for gas distribution systems with maximum operating pressure up to 16 bar, and which operate with fuel gases of the first, the second and the third family, in accordance with EN 437. The types of isolating valves to be considered are: plug and ball valves, gate valves, globe valves and butterfly valves. This standard does not apply to: valves for domestic installations; safety type

Manufacturer of imaging devices

What is PD CEN/TR 13097 - Sludge utilisation in agriculture about

at elevated temperatures are commonly used as a measure of the state of cure

but are not limited to:

Benefits of using wavelength-dispersive X-ray fluorescence spectrometry (XRF) as specified in BS EN 13723 are robust analysis

bid-rigging

provides guidance for integrating the HART®1 technology into the FDT interface specification (IEC 62453-2)

Assessment of buildings

home appliances

This could enable suppliers to perform the necessary checks before selling the product to their customers

IEC 60598-2: IEC 60598-2-4:1979

BS 3483-C9:1995 General methods of test for pigments and extenders