Weight Transducers, Non-Load Lever in Pressure Vessels for Transportation Means

14:54, 11/07/2024

This is a notable content of Circular 32/2017/TT-BGTVT promulgating the National Technical Regulation on pressure equipment on transportation vehicles and equipment, and devices for exploration and exploitation at sea.

Circular 32 stipulates that weight and lever type valves are not to be used on pressure vessels on transportation vehicles, and the following valves must be used:

- Spring-loaded valves;- Counter-weight valves may be used for stationary vessels by special agreement between the concerned parties.

Additionally, Circular 32 also provides that control by automatic valves or indirect control safety valves is not allowed as part of the exhaust valve system, except when:

- The design is accepted by the customer and the inspector;- The discharged medium is clean steam;- The design ensures that the main valve will automatically open at a pressure not exceeding the set pressure and will discharge its full capacity if some essential parts of the automation system or auxiliary equipment fail.

Refer to the related regulations in Circular 32/2017/TT-BGTVT which took effect from April 1, 2018.

- Thanh Lam -

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