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centrifugal pumps

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001689
EISBN: 978-1-62708-233-4
...Abstract Abstract The drive shaft on a centrifugal pump fractured after five months of operation. The fracture occurred at a packing gland inside a sleeve against which the packing material sealed. The shaft and sleeve were of duplex stainless steel. In contrast to a previous conclusion...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003569
EISBN: 978-1-62708-180-1
... of CETIM Fig. 12 Cavitation erosion on side surface of a gear pump subjected to vibrations. Courtesy of CETIM Fig. 9 Wear on suction surface of centrifugal pump impeller by cavitation and solid particle erosion. Courtesy of CETIM Fig. 10 Wear on pressure surface of centrifugal...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001478
EISBN: 978-1-62708-220-4
...Abstract Abstract The broken end of a shaft from a centrifugal pump had a smooth fracture surface characteristic of failure from fatigue. Failure occurred in the plane of the keyway end and followed a slightly helical path, indicating that combined bending and torsional stresses were...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001819
EISBN: 978-1-62708-241-9
...Abstract Abstract The shafts on two centrifugal pumps failed during use in a petroleum refinery. Light optical microscopy and scanning electron microscopy were used to analyze the damaged materials to determine the cause of failure. The results showed that one shaft, made of duplex stainless...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001779
EISBN: 978-1-62708-241-9
... ( 2007 ) 10.1002/9780470024546 9. Sulzer Pumps Ltd: Centrifugal Pump Handbook , 3rd edn. Elsevier Ltd. , Houston ( 2010 ) 10. Ariely S. , Khentov A. : Erosion corrosion of pump impeller of cyclic cooling water system . Eng. Fail. Anal. 13 , 925 – 932 ( 2006 ) 10.1016...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001399
EISBN: 978-1-62708-220-4
... Pumps Fe-0.36C-0.58Mn-1.15Cr-1.0Ni-0.15Mo Stress-corrosion cracking Intergranular fracture The Air Compressor with which this case is concerned was installed at a chemical plant in which nitric acid was produced by burning ammonia with air. It was a 5000 hp, 5-stage centrifugal machine running...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001482
EISBN: 978-1-62708-229-7
... prior to welding. Subsequently, it was ascertained that trouble had been experienced with the centrifugal feed pumps, resulting in scuffing of some bronze rings. The presumption is that bronze particles had been carried in mechanical suspension in the feed water and deposited in the economizer tubes...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001370
EISBN: 978-1-62708-215-0
... portion of the sleeve nut on the drive-end side of the shaft. Applications Pertinent Specifications Specimen Selection Examination of the centrifugal pump revealed extensive rusting of the inside portion of the casing. Stagnant water was also found in the casing. Only the drive-end side...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003570
EISBN: 978-1-62708-180-1
... worldwide. Materials selection for hydraulic machines, especially massive ones, is dictated, in large part, by economics and fabricability. Thus, most large hydroturbines and many large centrifugal pumps are constructed of carbon-manganese steels, typically 0.2% C and 1% Mn. The most common...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001828
EISBN: 978-1-62708-241-9
... proven to meet the highest standards [ 6 ]. Fig. 2 Heat transport system—layout A CANDU-6 reactor has four vertical centrifugal HT pumps. The HT pump has a single stage with single suction, double-volute double-discharge arrangement ( Fig. 3 ). The HT pumps are designed and manufactured...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
...-moving machines; tillage tools; machine parts subjected to grinding operations; conveyors of mineral particles; sliding systems with hard particles in between Solid particle/droplet erosion Slurry pipelines; centrifugal pumps for slurry; turbine blades; nozzles for sand blasters Cavitation erosion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001470
EISBN: 978-1-62708-220-4
...Abstract Abstract One 49-in. impeller of a two-stage centrifugal air compressor disrupted without warning, causing extensive damage to the casings, the second impeller, and the driving gear box. Prior to the mishap, the machine had run normally, with no indications of abnormal vibration...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
...Abstract Abstract This article focuses on the general root causes of failure attributed to the casting process, casting material, and design with examples. The casting processes discussed include gravity die casting, pressure die casting, semisolid casting, squeeze casting, and centrifugal...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001578
EISBN: 978-1-62708-233-4
... Steam Generator Feed Pump Turbine Case #9: Resonance Destroys Generator Case #10: Oil Whip in a 500 Megawatt Turbine Case #11: Oil Whirl in a Chiller Unit Case #12: Centrifugal Air Compressor with 4× Bull Gear Vibration on 1st Stage Compressor Wheel Case #13: Coupling Unbalance in High...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001084
EISBN: 978-1-62708-214-3
...Abstract Abstract Failure analysis was performed on a fractured impeller from a boiler feed pump of a fossil fuel power plant. The impeller was a 12% Cr martensitic stainless steel casting. The failure occurred near the outside diameter of the shroud in the vicinity of a section change...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003567
EISBN: 978-1-62708-180-1
.... , Test Approach for Dense Slurry Erosion , Slurry, Erosion: Uses, Applications, and Test Methods , STP 946, Miller J.E. and Schmidt F.E. Jr. , Ed., ASTM , 1987 , p 185 – 210 38. Roco M.C. , “Wear Patterns in Centrifugal Slurry Pumps,” Paper 244, Corrosion 88 (Houston...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
.... The shaft may then fail by another means, such as by fracture, or may cease to perform its designed function. Foreign particles, such as sand, dirt and other debris, in the lubricant can cause wear of a shaft. Example 3: Wear Failure of a Fuel-Pump Drive Shaft Caused by the Presence of Sand, Metallic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001724
EISBN: 978-1-62708-234-1
... of the windings at either end of the rotor shaft as shown in the cross section of Fig. 1 and the photograph, Fig. 2 . Fig. 1 Sketch of End of Rotor Shaft in 100,000-Kw. Generator Showing End Bell Whose Function Is to Hold in Place Against Centrifugal Force the End Turns of the Rotor Windings Fig...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006795
EISBN: 978-1-62708-295-2
... Wear Testing ,” Measurement Good Practice Guide 56, National Physical Laboratory , ISSN 1368–6550 95. Deng T. , Bingley M.S. , Bradley M.S. , and De Silva S.R. , A Comparison of the Gasblast and Centrifugal-Accelerator Erosion Testers: The Influence of Particle Dynamics...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2