Items tagged with GAS Files

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Filters: Adsorptive gas filters (NT VVS 109)

NT VVS 109

  • The aim of this method is to measure the filter efficiency and the adsorption capacity of adsorptive filters for different gases of low concentration in air.

File size: 1.60 MB Download

Hydrogen monitoring in geothermal plants and oil and gas refineries (NT TR 474)

NT TR 474

  • The effluent hydrogen flux from a pressure vessel or pipe in hydrogenating service is a measure of the diffusible hydrogen concentration in the steel, and hence also of the possible hydrogenation reactions on the inside and the propensity to hydrogen induced disintegration of the steel wall.

Nordtest

Nordtest is a trademark of Nordic cooperation in conformity assessment. The emphasis of Nordtest is to develop, promote and innovate Nordic test methods and pre-normative activity. Nordtest endeavours to remove technical barriers to trade and promotes the concept: “Approved once, accepted everywhere”.