2026-01-20Standard for calibration of gas flow meters in hydrogen refuelling stations (Justervesenet)
Justervesenet needs a standard that will enable the calibration of gas flow meters in hydrogen refuelling stations (HRSs). The entire standard is termed HDFTS (Heavy-Duty Field Test Standard). It is a mobile standard that can be lifted onto a car trailer and driven to a HRS for testing. The standard consists of two parts: (1) a pair of Coriolis flow metres operating in parallel and (2) a tank system. Part 1 is termed CMU (Coriolis Measurement Unit) and 2 is HST (Hydrogen Storage Tanks). The operating …
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2025-03-04Standard for calibration of gas flow meters (Justervesenet)
Justervesenet needs a standard for calibration of gas flow meters. The calibration system will be used with gases such as hydrogen, natural gas, methane, various hydrogen-methane mixtures, and nitrogen. The system must be operating with a pressure range of at least 0 - 60 barg and with flowrates of at least 1 - 100 Sm3/h. A design could be a primary standard based on the measurements of pressure, volume, temperature, and time – pVTt. An example of a pVTt system design is included in Annex 2+3 , collected …
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2019-12-13Upgrade of a Compressor System for Medical Air for Rikshospitalet (Sykehusinnkjøp HF)
The current medical pressurised air centres at Rikshospitalet need to be replaced. OUS c/o IOP will upgrade the compressor system for medical air at Rikshospitalet.
Rikshospitalet currently has 2 entres for the production of medical and instrument air, located in Part F and Part D, see the basic map of Rikshospitalet (Annex 3).
The compressor centre in Part F has 2 complete lines. The compressor centre in Part D has one line. Each centre consists of a compressor with drying, tank and the necessary …
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2019-04-11Fire Alarms, Gas Alarms and Extinguishing Installations — Service Contracts (NTNU)
NTNU would like to enter into contracts for the inspection and maintenance of fire alarm installations, gas alarm installations and extinguishing installations (inergen/aragonite based/water fog) at NTNU's properties in Trondheim. The contract is divided into 4 lots:
— fire alarms (Eltech),
— fire alarms (Autonica),
— gas alarms,
— extinguishing installations.
Vis anskaffelsen » Nevnte leverandører:Bravida Norge AsFjeldseth AS