Petroleum and liquid petroleum products. Measurement of level and temperature in storage tanks by automatic methods - Measurement of level in atmospheric tanks1 Scope This part of ISO 4266 gives guidance on the accuracy, installation, commissioning, calibration and verification of automatic level gauges (ALGs), of both intrusive and non intrusive types, for measuring the level of petroleum and petroleum products having a Reid vapour pressure less than 100 kPa, stored in atmospheric storage tanks. This part of ISO 4266 is not applicable to the measurement of level in refrigerated storage tanks with ALG

design and testing philosophy

but having a car dimensioned and constructed to allow access by people

—      Thread tolerances in accordance with ISO 965-1 and ISO 965-2

safety and risk management

BS EN 1729-2 which determine

BS EN 50117‑1:2019 supersedes BS EN 50117‑1:2002

BS EN 1057  is also applicable to seamless round copper tubes intended to be pre-insulated before use for any of the above purposes

to avoid corrosion damage

from 1/8 in (3

it may be necessary to provide the collet chuck with two operating sleeves to obtain the full collet range

It is essential that there be uniformity in the means of expressing environmental product declarations

Unlike BS ISO/IEC 27006