predictive maintenance for typical centrifugal pumps

... Shutdown considerations 18 Troubleshooting 18 4.5 Maintenance Preventive maintenance .22 Need for maintenance records .22 Need for cleanliness .22 Disassembly .22 Cleaning/inspection ... installation or start-up of the pump This is important for safety, for proper performance of the pump, and for maximum Mean Time Between Planned Maintenance (MTBPM) THE COMPANY Among Flowserve Corporation’s ... ±5% for frequency, ±10% for line voltage and ±10% for combined variation to avoid elevated temperatures and effects on the electromagnetic compatibility (IEC motors :±2% for frequency, ±5% for

Ngày tải lên: 06/03/2017, 13:56

... Practical centrifugal pumps: design, operation and maintenance Centrifugal pumps I Title II Moniz, Octo 621 6’7 Library of Congress Cataloguing in Publication Data A catalogue record for this ... Archimedes’ screw was used for the Roman water supply systems, highly advanced for that time The Romans also used screw pumps for irrigation and drainage work 106 Practical Centrifugal Pumps Water - 1cS1 ... 73 3.14 Performance calculation procedure 74 Forces in centrifugal pumps 76 4.1 Axial thrust 76 4.2 Radial loads 82 vi Contents Centrifugal pump

Ngày tải lên: 19/05/2017, 08:33

... preparation of a pump bid consumes time, effort, and money for the vendor and the user who reviews it 130 Practical Centrifugal Pumps Therefore, it is necessary to forward the bid request only to those ... Suction Specific Speed for the Performance and Reliability of Centrifugal Pumps Bernd Stoffel, Ralf Jaeger – 13th International Pump Users Symposium: –1996 [40] Centrifugal Pumps – Which Suction ... in any pump A blank data sheet or a format for centrifugal pumps is available in the API 610 standard This is attached at the end of this section Another typical data sheet is attached to depict

Ngày tải lên: 19/05/2017, 08:33

... chế độ làm việc danh nghĩa kích thước) ISO 3096, End-suction centrifugal pumps – Dimensions fo cavities for mechanical seals and for soft packing (Bơm hút ly tâm – Kích thước khoang lắp vịng ... 15000 r/min đo trường) [12] CEN-CR 13931:2000, Rotodynamic pumps – Forces and moments on flanges, centrifugal, mixed flow and axial flow pumps – Horizontal shaft and vertical shafts (Bơm rôto động ... 2010 ISO 5199 : 2002 ĐẶC TÍNH KỸ THUẬT CỦA BƠM LY TÂM – CẤP II Technical specifications for centrifugal pumps – Class II Lời nói đầu TCVN 8532:2010 hồn tồn tương đương với ISO 5199:2002 TCVN 8532:2010

Ngày tải lên: 24/12/2021, 22:25

... Model-based prognostic; Predictive maintenance; Structural airframe maintenance 15 16 17 18 19 20 21 Abstract Airframe maintenance is traditionally performed at scheduled maintenance stops The ... aviation industry for planning the structural maintenance.7–9 Predictive maintenance policies that aim to plan the maintenance activities taking into account the predicted information, or the ... 1263 1264 1265 for j ¼ 1; 2; ; N for j ¼ 1; 2; ; BI for j ¼ BI ỵ 1; ; Na 1267 The maintenance cost is a function of decision Our objective is to prove C(dn) > C(dn ) for any maintenance

Ngày tải lên: 19/11/2022, 11:36

... efficiency point Before the implementation of predictive maintenance, the pumps did not receive regular maintenance In the past, the organisation did reactive maintenance, and maintenance costs ... research question This study investigated whether predictive maintenance is the best maintenance strategy to minimise maintenance costs In predictive maintenance, decisions are made based on the data ... a maintenance technique used to monitor parameters like vibration, overheating, overcurrent of the system or machinery at an early stage of failure; to forecast on the need for maintenance before

Ngày tải lên: 26/07/2023, 07:37

... rotating forces that can be monitored and eval- uated with ease. Figure 5–5 shows a typical inline centrifugal compressor. 86 An Introduction to Predictive Maintenance Figure 5–5 Typical inline centrifugal ... viable predictive maintenance tool and should be included in all total-plant maintenance management programs 6.5 ULTRASONICS... be included in a full-capabilities predictive maintenance ... be broad enough to compensate for a variation in speed between full load and no load. 90 An Introduction to Predictive Maintenance The gear set should be monitored for axial thrusting. Because

Ngày tải lên: 08/08/2014, 11:21

... 0.43 196 An Introduction to Predictive Maintenance Material Oxidized Oxidized at 1100¡F Gray Oxidized... therefore maintenance costs As a predictive maintenance tool, lubricating ... bear- ings), and stator to end bell. Transformer—Oil-Filled Scan transformer, transformer fins, cable connections, bushings, and tap changer. On all transformers, the oil level should be inspected ... considerable annual reduction in maintenance costs Relatively inexpensive sampling and testing can show when the oil in a machine... and $60,000; therefore, most predictive maintenance programs rely

Ngày tải lên: 08/08/2014, 11:21

... properly. 222 An Introduction to Predictive Maintenance Reciprocating Table 10–3 lists the common failure modes for reciprocating positive-displacement pumps. Reciprocating pumps can generally withstand ... each. 10.4.1 Centrifugal The operating dynamics of centrifugal compressors are the same as for other cen- trifugal machine-trains. The dominant forces and vibration profiles are typically iden- ... the process. Rotary-Type Rotary-type positive-displacement pumps share many common failure modes with centrifugal pumps. Both types of pumps are subject to process-induced failures caused by demands

Ngày tải lên: 08/08/2014, 11:21

... adjust for these changes before the technology can be truly beneficial as either a maintenance scheduling or plant improvement tool. Because most predictive maintenance programs are established as maintenance ... of a comprehensive process performance analysis program. 13.1.2 Limitation to Maintenance Issues From its inception, predictive maintenance has been perceived as a maintenance improvement tool. ... boundaries and not be limited to the maintenance function. Every func- tion within the plant affects equipment reliability and performance, and the predictive maintenance program must address all

Ngày tải lên: 08/08/2014, 11:21

... predictive maintenance. .. 336 An Introduction to Predictive Maintenance vibration, process, and other data that will provide a viable predictive maintenance database Therefore, the ... Introduction to Predictive Maintenance program should not be structured so that all machines and equipment in the plant receive the same scrutiny Typical predictive maintenance programs ... against the maintenance organization Many are convinced that maintenance is the root-cause of the plant’s poor performance If your justification package and program plan are defined in maintenance

Ngày tải lên: 08/08/2014, 11:21

... this type of form is shown in Figure 16–4. A Total-Plant Predictive Maintenance Program 363 364 An Introduction to Predictive Maintenance If the forms are sorted every month, the cards for each instrument ... production plants Unfortunately, many plants do not have... workforce will constantly and consistently strive for effective day -to- day perfor- 380 An Introduction to Predictive Maintenance ... vibration. For very narrow rotors (e.g., disc-shaped pump impellers or pulleys), the distance between the centrifugal forces of each half may be very small. Nevertheless, a very high centrifugal force,

Ngày tải lên: 08/08/2014, 11:21

... Institute Licensed by Information Handling Services ~ A P I STDMblO 95 m 0732290 b l l O 43T m FOREWORD This standard covers the minimum requirements centrifugal pumps, including pumps for running in ... System for the Forces and Moments in Table 2.1A (2.1B): Vertical In-Line Pumps 2-5 2-34oordinate System for the Forces and Moments Table 2.1A (2.1B): in Vertical Double-Casing Pumps ... elevation is the shaft centerlinefor horizontal pumps, the suction nozzle centerline for vertical in-line pumps, and the top of the foundation for other vertical pumps 1.4.41 purchaser: Individual...

Ngày tải lên: 02/04/2014, 15:32

... Replacement for PID with Feedforward MPC Process (2X1) Measured Disturbance ©2006 Fisher-Rosemount Systems, Inc Slide 12 - 14 MPC – Small Applications MPC Replacement for PID with Feedforward ©2006 ... Advantages of Model Predictive Control – Automatically compensate for process interaction, measurable load disturbances and constraints using ... MPC Replacement for PID Overrride MPC Process (1X2) Constraint Unmeasured Disturbance ©2006 Fisher-Rosemount Systems, Inc Slide 12 - 16 MPC – Small Applications MPC Replacement for PID Overrride...

Ngày tải lên: 01/10/2013, 13:49

... systems 16 An Introduction to Predictive Maintenance Predictive Maintenance Is More Than Maintenance Traditionally, predictive maintenance is used solely as a maintenance management tool In ... maintenance organization 44 3.3 Designing a predictive maintenance program 50 Benefits of Predictive Maintenance 60 4.1 Primary uses of predictive maintenance 61 Machine-Train Monitoring ... daily maintenance This does not necessarily mean actually performing maintenance In many successful TPM programs, operators not have to actively perform maintenance They are involved in the maintenance...

Ngày tải lên: 05/03/2014, 17:20

... systems 16 An Introduction to Predictive Maintenance Predictive Maintenance Is More Than Maintenance Traditionally, predictive maintenance is used solely as a maintenance management tool In ... maintenance organization 44 3.3 Designing a predictive maintenance program 50 Benefits of Predictive Maintenance 60 4.1 Primary uses of predictive maintenance 61 Machine-Train Monitoring ... daily maintenance This does not necessarily mean actually performing maintenance In many successful TPM programs, operators not have to actively perform maintenance They are involved in the maintenance...

Ngày tải lên: 14/03/2014, 17:20

... systems 16 An Introduction to Predictive Maintenance Predictive Maintenance Is More Than Maintenance Traditionally, predictive maintenance is used solely as a maintenance management tool In ... maintenance organization 44 3.3 Designing a predictive maintenance program 50 Benefits of Predictive Maintenance 60 4.1 Primary uses of predictive maintenance 61 Machine-Train Monitoring ... daily maintenance This does not necessarily mean actually performing maintenance In many successful TPM programs, operators not have to actively perform maintenance They are involved in the maintenance...

Ngày tải lên: 22/03/2014, 12:20

... EBARA PUMPS EUROPE S.p.A CENTRIFUGAL PUMPS SELECTION CHART series - version 50 Hz Rev D For pump 50-125/2,2 only 3M-3LM version 206 EBARA PUMPS EUROPE S.p.A 3 series - version CENTRIFUGAL PUMPS ... [1] = Only for three phase [2] = Only for single phase 400 EBARA PUMPS EUROPE S.p.A 3series - version CENTRIFUGAL PUMPS DIMENSIONS 3M-3LM 50 Hz Rev D Pump type 50-200/15 401 EBARA PUMPS EUROPE ... PERFORMANCE CHART series - version 50-125/3.0 PERFORMANCE CHART series - version 50-125/4.0 PERFORMANCE CHART series - version 50-160/5.5 PERFORMANCE CHART series - version 50-160/7.5 PERFORMANCE...

Ngày tải lên: 30/03/2014, 11:20

... spring force K×∆r is equal to the centrifugal force m×ω2×rg The spring force that compels the mass to move along a circular path is directed radially inward; it is therefore called centripetal force ... Measurement of radial forces 525 9.3.3 Pumps with single volutes 526 9.3.4 Pumps with double volutes 531 9.3.5 Pumps with annular casings .532 9.3.6 Diffuser pumps ... dm is subjected to forces in the flow direction and perpendicular to the streamline Newton’s law F = m×dc/dt forms the basis for calculating these forces First consider the forces acting in the...

Ngày tải lên: 02/04/2014, 15:33