Download Centrifugal Pumps for Petroleum, Petrochemical and Natural by ISO/TC 67/SC 6 PDF

By ISO/TC 67/SC 6

ISO 13709:2003 specifies standards for centrifugal pumps, together with pumps working in opposite as hydraulic energy restoration generators, to be used in petroleum, petrochemical and fuel procedure companies. ISO 13709:2003 is appropriate to overhung pumps, between-bearings pumps and vertically-suspended pumps. Clause eight offers requisites appropriate to precise forms of pump. All different clauses of ISO 13709:2003 are acceptable to all pump varieties. Illustrations are supplied of a number of the particular pump kinds and the designations assigned to every particular style. ISO 13709:2003 isn't appropriate to sealless pumps.

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Extra resources for Centrifugal Pumps for Petroleum, Petrochemical and Natural Gas Industries

Sample text

2 During the performance test, overall vibration measurements over a range of 5 Hz to 1 000 Hz and a Fast Fourier Transform (FFT) spectrum shall be made at each test point except shutoff. The vibration measurements shall be made at the following locations: z a) on the bearing housing(s) or equivalent location(s) of all pumps, at the positions shown on Figure 27 and Figure 28; b) on the shaft of pumps with hydrodynamic bearings with proximity probes, if the pump has provisions for proximity probes.

1 General The topics of critical speed and lateral analysis are covered in the subclause dealing with each specific pump type. 1 Unless otherwise specified, a torsional analysis shall be performed by the manufacturer having unit responsibility if the driver is one of the following: a) electric motor, or turbine, through gear rated 1 500 kW (2 000 hp) or higher; b) internal combustion engine rated 250 kW (335 hp) or higher; c) synchronous motor rated 500 kW (670 hp) or higher; d) electric motor with variable-frequency drive (VFD) rated 1 000 kW (1 350 hp) or higher.

For future designs, it is considered desirable that the case MAWP match the pressure capabilities of the adjacent flanges. 2. 12 O-ring sealing surfaces, including all grooves and bores, shall have a maximum surface roughness average value (Ra) of 1,6 µm (63 micro-inches) for static O-rings and 0,8 µm (32 micro-inches) for the surface against which dynamic O-rings slide. Bores shall have a minimum 3 mm (0,12 in) radius or a minimum 1,5 mm (0,06 in) chamfered lead-in for static O-rings and a minimum 2 mm (0,08 in) chamfered lead-in for dynamic O-rings.

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