Centrifugal pumps for petroleum, heavy duty chemical, and by American Petroleum Institute.; American National Standards

By American Petroleum Institute.; American National Standards Institute

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The report shall include the following: a. A description of the method used to calculate the natural frequencies. b. A diagram of the mass elastic system. c. A table of the mass moment and torsional stiffness each of element of the mass elastic system. d. ACampbell diagram. e. A modeshape diagram with peakstresses shown for each resonant frequency. 12. The allowable operating region shall be stated in the proposal. When the allowable operating regionis limited by a factorother than vibration, that factor shall also be stated in the proposal.

Cooling water. d. Lubricating oil. Auxiliary systems shall comply with the requirements of Table 3-4. 2. 2 Piping systems shall include piping, pipe fittings, isolating valves, control valves, relief valves, pressure reducers, orifices, temperature gauges and thermowells, pressure gauges, sight flow indicators, and related vents and drains as shown in the appropriate plan in Appendix D. 3 Unless otherwise specified, the piping systems shall be fully assembled andinstalled. 4 When specified, for Plans 52 and 53 (see Appendix D), barrierhuffer fluid reservoirs shall be designed for mounting off the pump baseplate and shall be shipped separately.

Pumps shall have solid shafts. When the pump thrust bearj. Temperature detectors, vibration sensors, and heaters if ings are in, the motor, the motors shall meet the shaft and these are required. base tolerances shown inFigure 3- l . k. Vibration acceptance criteria. 9 Unless otherwise specified, steam turbine drivers 1. Applicability of API Standard 541 or IEEE 841. shall conformto IS0 10436 (API Standard 611). SteamturTable 3-1-Power Ratings for Motor Drives bine drivers shall be sized to deliver continuously 110 percent of the maximum power required for the purchaser’s Motor Nameplate Rating Percentage of specified conditions while operating at corresponding speed Rated Pump Power kW with specified steamconditions.

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