16:35 Oct 21, 2017 |
English to Polish translations [PRO] Tech/Engineering - Petroleum Eng/Sci | |||||||
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3 | między sieciami z maksymalnymi ciśnieniami roboczymi (MOP) 80 i 54 bar |
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mop=80bar/54bar networks między sieciami z maksymalnymi ciśnieniami roboczymi (MOP) 80 i 54 bar Explanation: There are two networks with mismatched MOPs: one with the MOP of 80 bars and the other with the MOP of 54 bars, hence the need for pressure control. cccccc This tool clarifies the requirements of Canadian Standards Association (CSA) Z662-03: Oill and Gas Pipeline Systems, Clause 4.14.1, which states that if a pipeline may be subjected to pressures greater than its maximum operating pressure (MOP) from any source, there must be both pressure control and overpressure protection for the line. The intent is that if the pressure control were to fail, overpressure protection equipment would prevent the lower MOP pipeline pressure from being exceeded by more than 10 per cent or 35 kilopascals (kPa), whichever is greater. The design must be based on maximum licensed operating pressure, regardless of normal operating pressure. Pressure control can be set to no higher than the maximum of the lower MOP. Overpressure protection can be set to a maximum of 10 per cent or 35 kPa (whichever is greater) above the lower MOP. Overpressure protection may consist of pressure-limiting or pressure-relieving systems or both, as long as they continuously and automatically protect the pipeline from being pressured above the predetermined value. If pipelines have mismatched MOPs, the Pipeline Regulation (Section 22[2]) allows for a mismatch of up to 5 per cent of the lower MOP without requiring pressure control and overpressure protection. https://www.aer.ca/documents/directives/Directive056_Referen... |
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