For the first time in Russia GOST R 56233-2014: "Condition monitoring and diagnostics of machines. Hazardous equipment monitoring. Vibration generated by land-based reciprocating compressors" would be put into effect as a National Standard of the Russian Federation on the 1st of December, 2015. The standard was approved by the order №1581-st of the Federal Agency on Technical Regulating and Metrology on the 11th of November, 2014.
The Standard regulates the vibration norms of the stationary piston compressors . The document is developed by SPC “Dynamics”. It’s based on the long-term theoretical and experimental research results after 25 years of operation experience of the real-time diagnostics and monitoring systems used on more than 70 electric-driven piston compressors with unit power from 0,02 MW to 2 MW operating on petrochemical complexes and manufactures of Omsk, Angarsk, Astrakhan, Achinsk, Bourgas, Volgograd, Saratov, Syzran, Ukhta and many others.
The standard applies to the stationary piston compressors for Т2-Т6 explosive gas groups according to the classification TR CU 012/2011 as well as for the stationary piston compressors using the harmful gases, 1–2 class of hazard according to GOST 12.1.007. Also, the standard sets guidance on the assessment of their vibration state during operation and acceptance tests after mounting and repair.
In accordance with the standard recommendations, the assessment of the equipment vibration state is based on the joint measurements of the displacement, velocity and acceleration of the unit casing as well as compressor mechanism or the compressor case in the direction of the vibration vector maximum.
The vibration measurements in the range from 2 to 3000 Hz are used for an assessment of the vibration state. For the in-depth study to find out the fault condition or the diagnostics, the carrying out of the vibration measurement in the range up to 10000 Hz and higher is recommended.
The standard's requirements may be used in conjunction with recommendation for assessments of vibration state of the general-purpose stationary piston compressors, for example API 670, including the assessment of the monitored vibration parameter value changes criteria.