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CPX, CPXR, CPXN and CPXP USER INSTRUCTIONS  ENGLISH  71569117  02-10 

Page 4 of 44 

flowserve.com

 

1  INTRODUCTION AND SAFETY 

 

1.1  General 

 These instructions must always be kept 

close to the product's operating location or 
directly with the product.
 
 
Flowserve products are designed, developed and 
manufactured with state-of-the-art technologies in 
modern facilities.  The unit is produced with great 
care and commitment to continuous quality control, 
utilising sophisticated quality techniques and safety 
requirements. 
 
Flowserve is committed to continuous quality 
improvement and being at service for any further 
information about the product in its installation and 
operation or about its support products, repair and 
diagnostic services. 
 
These instructions are intended to facilitate 
familiarization with the product and its permitted use.  
Operating the product in compliance with these 
instructions is important to help ensure reliability in 
service and avoid risks.  The instructions may not 
take into account local regulations; ensure such 
regulations are observed by all, including those 
installing the product.  Always coordinate repair 
activity with operations personnel, and follow all plant 
safety requirements and applicable safety and health 
laws and regulations. 

 These instructions must be read prior to 

installing, operating, using and maintaining the 
equipment in any region worldwide.  The 
equipment must not be put into service until all 
the conditions relating to safety, noted in the 
instructions, have been met.  Failure to follow and 
apply the present user instructions is considered 
to be misuse.  Personal injury, product damage, 
delay or failure caused by misuse are not covered 
by the Flowserve warranty. 
 

1.2  CE marking and approvals 

It is a legal requirement that machinery and equipment 
put into service within certain regions of the world shall 
conform with the applicable CE Marking Directives 
covering Machinery and, where applicable, Low Voltage 
Equipment, Electromagnetic Compatibility (EMC), 
Pressure Equipment Directive (PED) and Equipment for 
Potentially Explosive Atmospheres (ATEX). 
 

Where applicable, the Directives and any additional 
Approvals, cover important safety aspects relating to 
machinery and equipment and the satisfactory provision 
of technical documents and safety instructions.  Where 
applicable this document incorporates information 
relevant to these Directives and Approvals. 
 
To confirm the Approvals applying and if the product is 
CE marked, check the serial number plate markings 
and the Certification.  (See section 9, Certification.) 
 

1.3  Disclaimer 

Information in these User Instructions is believed 
to be reliable.  In spite of all the efforts of 
Flowserve Corporation to provide sound and all 
necessary information the content of this manual 
may appear insufficient and is not guaranteed by 
Flowserve as to its completeness or accuracy
. 
 
Flowserve manufactures products to exacting 
International Quality Management System Standards 
as certified and audited by external Quality 
Assurance organisations.  Genuine parts and 
accessories have been designed, tested and 
incorporated into the products to help ensure their 
continued product quality and performance in use.  
As Flowserve cannot test parts and accessories 
sourced from other vendors the incorrect 
incorporation of such parts and accessories may 
adversely affect the performance and safety features 
of the products.  The failure to properly select, install 
or use authorised Flowserve parts and accessories is 
considered to be misuse.  Damage or failure caused 
by misuse is not covered by the Flowserve warranty.  
In addition, any modification of Flowserve products or 
removal of original components may impair the safety 
of these products in their use. 

 

1.4  Copyright 

All rights reserved.  No part of these instructions may 
be reproduced, stored in a retrieval system or 
transmitted in any form or by any means without prior 
permission of Flowserve Pump Division. 
 

1.5  Duty conditions 

This product has been selected to meet the 
specifications of your purchaser order.  The 
acknowledgement of these conditions has been sent 
separately to the Purchaser.  A copy should be kept 
with these instructions. 

 The product must not be operated beyond 

the parameters specified for the application. 
If there is any doubt as to the suitability of the 
product for the application intended, contact 
Flowserve for advice, quoting the serial number.
 

Содержание CPX

Страница 1: ...n centrifugal chemical process pumps PCN 71569117 02 10 E Based on C937KH013 C937KH054 C961KH001 and C937KH067 Original instructions Installation Operation Maintenance These instructions must be read prior to installing operating using and maintaining this equipment ...

Страница 2: ...ems 16 5 COMMISSIONING START UP OPERATION AND SHUTDOWN 16 5 1 Pre commissioning procedure 16 5 2 Pump lubricants 17 5 3 Open impeller clearance 18 5 4 Direction of rotation 18 5 5 Guarding 18 5 6 Priming and auxiliary supplies 18 5 7 Starting the pump 19 5 8 Running the pump 19 5 9 Stopping and shutdown 20 5 10 Hydraulic mechanical and electrical duty 20 Page 6 MAINTENANCE 21 6 1 General 21 6 2 Ma...

Страница 3: ...5 2 5 17 Maintenance 6 21 Maintenance schedule 6 2 22 Name nomenclature 3 2 11 Nameplate 1 7 1 8 Operating limits 3 4 1 11 Ordering spare parts 6 3 1 22 Part assemblies 4 2 12 Parts interchangeability 8 5 39 Parts lists 8 33 Performance 3 4 11 Piping 4 6 13 Pre commissioning 5 1 16 Priming and auxiliary supplies 5 6 18 Protection systems 4 9 16 Page Reassembly 6 10 Assembly 26 Receipt and unpackin...

Страница 4: ...pplicable the Directives and any additional Approvals cover important safety aspects relating to machinery and equipment and the satisfactory provision of technical documents and safety instructions Where applicable this document incorporates information relevant to these Directives and Approvals To confirm the Approvals applying and if the product is CE marked check the serial number plate markin...

Страница 5: ...iate training and instruction must be provided If required the operator may commission the manufacturer supplier to provide applicable training Always coordinate repair activity with operations and health and safety personnel and follow all plant safety requirements and applicable safety and health laws and regulations 1 6 3 Safety action This is a summary of conditions and actions to help prevent...

Страница 6: ...cal seal DO NOT RUN THE PUMP AT ABNORMALLY HIGH OR LOW FLOW RATES Operating at a flow rate higher than normal or at a flow rate with no back pressure on the pump may overload the motor and cause cavitation Low flow rates may cause a reduction in pump bearing life overheating of the pump instability and cavitation vibration 1 6 4 Products used in potentially explosive atmospheres Measures are requi...

Страница 7: ...lity for compliance with the specified maximum liquid temperature is with the plant operator Temperature classification Tx is used when the liquid temperature varies and when the pump is required to be used in differently classified potentially explosive atmospheres In this case the user is responsible for ensuring that the pump surface temperature does not exceed that permitted in its actual inst...

Страница 8: ...ed to have the correct corrosion resistance Avoid entrapment of liquid in the pump and associated piping due to closing of suction and discharge valves which could cause dangerous excessive pressures to occur if there is heat input to the liquid This can occur if the pump is stationary or running Bursting of liquid containing parts due to freezing must be avoided by draining or protecting the pump...

Страница 9: ...mp only noise levels in the table should be combined with the level for the driver obtained from the supplier Consult Flowserve or a noise specialist if assistance is required in combining the values It is recommended that where exposure approaches the prescribed limit then site noise measurements should be made The values are in sound pressure level LpA at 1 m 3 3 ft from the machine for free fie...

Страница 10: ...d steel there are no specific lifting points provided for this complete machine set unless so identified Any lifting points that can be seen are provided only for dismantling parts for servicing Slings ropes and other lifting gear should be positioned where they cannot slip and where a balanced lift is obtained Before lifting the driver alone refer to the manufacturer s instructions 2 4 Storage St...

Страница 11: ...ng enables adjustment of impeller face clearance via the bearing carrier jacking screws 3 3 5 Pump bearings and lubrication The pump is fitted with ball and or roller type bearings which may be configured differently dependent on use The bearings may be oil or grease lubricated 3 3 6 Cover The cover has spigots between the pump casing and bearing housing for optimum concentricity A fully confined ...

Страница 12: ...f pump and motor half coupling must be checked If this is incorrect it indicates that the baseplate has become twisted and should be corrected by re shimming e If not supplied guarding shall be fitted as necessary to meet the requirements of ISO 12100 and EN953 4 4 Grouting Where applicable grout in the foundation bolts After adding pipework connections and rechecking the coupling alignment the ba...

Страница 13: ...and including section 5 Commissioning startup operation and shutdown before connecting driver and checking actual rotation 4 6 Piping Protective covers are fitted to the pipe connections to prevent foreign bodies entering during transportation and installation Ensure that these covers are removed from the pump before connecting any pipes 4 6 1 Suction and discharge pipework Never use pump as a sup...

Страница 14: ... b It is recommended that the pump inlet pipe is no larger than the pump inlet bore or such that the suction velocity is in the range of 3 to 5 m sec 10 to 16 ft sec The piping should slope down towards the pump casing suction flange c Allow a minimum of two pipe diameters of straight section between the elbow and inlet flange d Fitting an isolation valve will allow easier maintenance e Never thro...

Страница 15: ...oid seal damage it is recommended that any external flush cooling supply be continued after stopping the pump 4 6 4 3 Pumps fitted with heating cooling jackets Connect the heating cooling pipes from the site supply The top connection should be used as the outlet to ensure complete filling venting of the annulus with heating cooling liquids steam is usually in at the top out at the bottom 4 6 5 Fin...

Страница 16: ...stalled To prevent excessive surface temperatures at bearings it is recommended that temperature or vibration monitoring is carried out 5 COMMISSIONING START UP OPERATION AND SHUTDOWN These operations must be carried out by fully qualified personnel 5 1 Pre commissioning procedure 5 1 1 Lubrication Determine the mode of lubrication of the pump set eg grease oil etc For oil lubricated pumps fill th...

Страница 17: ...311 Z C3 3313 Z C3 6207 Z C3 6309 Z C3 6311 Z C3 6313 Z C3 7306 pair back to back 7309 pair back to back 7311 pair back to back 7313 pair back to back 6 0 2 13 0 5 18 0 6 20 0 7 14 0 5 25 0 9 35 1 2 46 1 6 Nilos ring fitted into bearing locknut 3712 2 Oil lubricated medium duty bearings Oil lubricated heavy duty bearings Oil lubricated optional heavy duty bearings Frame size Pump end Drive end Pum...

Страница 18: ...ing element removed Ensure the direction of rotation of the motor is correct before fitting the coupling element Direction of rotation must correspond to the direction arrow If maintenance work has been carried out to the site s electricity supply the direction of rotation should be re checked as above in case the supply phasing has been altered 5 5 Guarding Guarding is supplied fitted to the pump...

Страница 19: ...ing time is noted Priming times in excess of 5 minutes will indicate a pump or system fault Any noticeable increases in priming time on subsequent starts will also indicate a fault Irregular use could lead to the risk of evaporation of the priming fluid k Do not run the pump with the outlet valve closed for a period longer than 30 seconds l If the pump has to fill the system it may take a short ti...

Страница 20: ...elocity unfiltered r m s Motor 15 kW mm sec in sec Motor 15 kW mm sec in sec Normal N 3 0 0 12 4 5 0 18 Alarm N x 1 25 3 8 0 15 5 6 0 22 Shutdown trip N x 2 0 6 0 0 24 9 0 0 35 Where a grease lubricated unit is utilized in a vertical shaft configuration with a duck foot bend onto the pump suction the following apply Vibration velocity unfiltered r m s Vertical configurations mm sec in sec Normal N...

Страница 21: ...NANCE 6 1 General It is the plant operator s responsibility to ensure that all maintenance inspection and assembly work is carried out by authorized and qualified personnel who have adequately familiarized themselves with the subject matter by studying this manual in detail See also section 1 6 Any work on the machine must be performed when it is at a standstill It is imperative that the procedure...

Страница 22: ...c seals and that any sealant systems if fitted are full and operating normally c Check that shaft seal leaks are within acceptable limits d Check the level and condition of oil lubricant On grease lubricated pumps check running hours since last recharge of grease or complete grease change e Check any auxiliary supplies eg heating cooling if fitted are functioning correctly Refer to the manuals of ...

Страница 23: ...pendent on pump size Open ended spanners wrenches to suit up to M 24 screws nuts Socket spanners wrenches up to M 24 screws Allen keys up to 10 mm A F Range of screwdrivers Soft mallet More specialized equipment Bearing pullers Bearing induction heater Dial test indicator C spanner wrench for removing shaft nut If difficulties in sourcing are encountered consult Flowserve Coupling grip shaft spann...

Страница 24: ... is obtained This is the zero clearance position e Set a dial indicator to zero on the shaft end or measure the bearing carrier to bearing housing gap and record the measurement f Slacken the jacking screws 6570 3 g Tighten bearing carrier screws 6570 2 evenly about one flat at a time until the dial indicator or feeler gauge shows the correct impeller clearance from the zero clearance position Thi...

Страница 25: ...e cover screws d Loosen the grub screws used in most mechanical seals e Carefully pull off the gland and mechanical seal rotating element s f Remove the seal cover 1220 g Remove shaft sleeve 2400 if fitted h On non cartridge seals the stationary seat remains in the cover with its sealing member Remove only if damaged or worn out i On pumps fitted with gland packing the packing and lantern ring sho...

Страница 26: ...and grip the shaft It is important that the temperature is not raised above 100 ºC 212 ºF Method 2 Press the bearing onto the shaft using equipment that can provide a steady even load to the inner race Take care to avoid damaging the bearing and shaft d Fit the thrust ball bearing 3013 on to shaft 2100 e The double row thrust bearing will not normally have a single filling slot as such bearings ar...

Страница 27: ...ards the bearing housing and set with its clearance 0 5 to 2 mm 0 02 to 0 08 in 6 10 2 Cover and seal assembly a Extreme cleanliness is required The sealing faces and shaft or sleeve surface must be free from scratches or other damage b Refer to section 6 11 Seal arrangements for seal diagrams c Carefully press the stationary seat into the cover 1220 ensuring that the seating ring is not deformed ...

Страница 28: ...the distance ring 2510 2 b Install the bearing housing assembly into the pump casing Coat the screws 6570 1 with anti galling compound and tighten into casing c Check impeller front clearance against original setting or process requirement and adjust as necessary See section 6 7 Setting impeller clearance d Ensure that all other items have been re attached and all fasteners tightened then follow t...

Страница 29: ...12 5 0 160 12 5 0 5 5 9 5 200 17 5 5 0 5 5 9 5 250 10 6 4 4 18 3 4 3 315 10 6 4 4 18 3 4 3 4 7 32 3 400 27 0 4 3 3 5 24 0 500 10 6 4 4 18 3 4 3 4 7 32 3 6 11 2 Cartridge seal types 6 11 2a Cartridge seal in conical cover 6 11 2b Hooked sleeve cartridge seal For S see seal supplier s instructions 6 11 3 Tandem seal types 6 11 3a Tandem seal with Flowserve eccentric pumping annulus circulation BI Rp...

Страница 30: ...irculation Setting dimension X mm Pump size Frame 1 Frame 2 Frame 3 Frame 4 125 11 0 160 11 0 17 5 200 6 0 17 5 250 12 4 14 4 315 12 4 14 3 32 3 400 5 7 24 0 500 12 4 14 3 32 3 6 11 5 External seal types 6 11 5a External seal D drain 6 11 6 Packed gland seal types 6 11 6a Packed gland with fibre packing 4120 4130 4134 F Rp in flush BI Rp in barrier liquid inlet BO Rp in barrier liquid outlet ...

Страница 31: ...e Check suction pipe is airtight Air leaks into pump through mechanical seal sleeve joints casing joint or pipe lugs Check and replace faulty parts CONSULT FLOWSERVE Foot valve too small Investigate replacing the foot valve Foot valve partially clogged Clean foot valve Inlet of suction pipe insufficiently submerged Check out system design Speed too low CONSULT FLOWSERVE Speed too high CONSULT FLOW...

Страница 32: ...tory check bearings for excessive wear Impeller out of balance resulting in vibration Abrasive solids in liquid pumped Internal misalignment of parts preventing seal ring and seat from mating properly Check and CONSULT FLOWSERVE Mechanical seal was run dry Check mechanical seal condition and source of dry running and repair Internal misalignment due to improper repairs causing impeller to rub Chec...

Страница 33: ... ring 2540 1 Flinger liquid 2540 2 Flinger liquid 3011 Radial ball bearing 3013 Thrust ball bearing 3134 Support foot 3200 Bearing housing 3240 Bearing carrier 3712 1 Bearing locknut 3712 2 Bearing locknut 3855 Constant level oiler 3856 Oil sight gauge 4200 Mechanical seal 4330 Labyrinth ring 4590 1 Gasket 4590 2 Gasket 4610 1 O ring 4610 2 O ring 6544 Circlip 6569 1 Plug filler 6569 2 Plug 6569 3...

Страница 34: ...d 3011 Radial ball bearing 3013 Thrust ball bearing 3134 Support foot 3200 Bearing housing 3240 Bearing carrier 3712 1 Bearing locknut 3712 2 Bearing locknut 3855 Constant level oiler 3856 Oil sight gauge 4200 Mechanical seal 4330 Labyrinth ring 4590 Gasket 4610 1 O ring 4610 2 O ring 6544 Circlip 6569 1 Plug filler 6569 2 Plug magnetic 6570 1 Screw 6570 2 Screw 6570 3 Screw 6570 4 Screw 6572 Stud...

Страница 35: ...liquid 2540 2 Flinger liquid 3011 Radial ball bearing 3013 Thrust ball bearing 3134 Support foot 3200 Bearing housing 3240 Bearing carrier 3712 1 Bearing locknut 3712 2 Bearing locknut 3855 Constant level oiler oil lubrication only 3856 Oil sight gauge 4200 Mechanical seal 4330 Labyrinth ring 4590 1 Gasket 4590 2 Gasket 4610 1 O ring 4610 2 O ring 6544 Circlip 6569 1 Plug filler 6569 2 Plug 6569 3...

Страница 36: ... 1 Flinger liquid 2540 2 Flinger liquid 3011 Radial ball bearing 3013 Thrust ball bearing 3134 Support foot 3200 Bearing housing 3240 Bearing carrier 3712 Bearing locknut 3855 Constant level oiler 3856 Oil sight gauge 4200 Mechanical seal 4330 Labyrinth ring 4590 1 Gasket 4590 2 Gasket 4610 1 O ring 4610 2 O ring 6544 Circlip 6569 1 Plug filler 6569 2 Plug 6569 3 Plug magnetic 6569 4 Plug filler 6...

Страница 37: ...casing 1100 4590 3 6570 5 1410 6570 1 4590 1 4610 3 6569 2 4590 2 6569 4 Drawing taken from C665 001 sheet 9 rev C 8 3 4 CPXP diffuser casing parts list Item Description 1100 Casing 1410 Diffuser 4590 1 Gasket 4590 2 Gasket 4590 3 Gasket 4610 3 O ring 6569 2 Plug 6569 4 Plug filler 6570 1 Screw 6570 5 Screw Standard option ...

Страница 38: ... key drive impeller option 2100 2400 6700 2 2200 4610 5 2912 1 4590 4 6570 6 2912 2 4610 4 includes heli coil 6589 SOLID SHAFT SHOWN BELOW CENTRE LINE SLEEVED SHAFT SHOWN ABOVE CENTRE LINE Key drive design for 304 316 stainless steel and above secure screw with PTFE sealant Loctite 577 Item Description 2100 Shaft 2200 Impeller 2400 Sleeve if fitted 2912 1 Impeller nut 2912 2 Impeller nut 4590 4 Ga...

Страница 39: ...CPX CPXR CPXN and CPXP USER INSTRUCTIONS ENGLISH 71569117 02 10 Page 39 of 44 flowserve com 8 5 Parts interchangeability 8 5 1 CPX parts interchangeability ...

Страница 40: ...ypical general arrangement drawing and any specific drawings required by the contract will be sent to the Purchaser separately unless the contract specifically calls for these to be included into the User Instructions If required copies of other drawings sent separately to the Purchaser should be obtained from the Purchaser and retained with these User Instructions ...

Страница 41: ... obtained from the purchaser for retention with these User Instructions Where any pre printed set of User Instructions are used and satisfactory quality can be maintained only by avoiding copying these they are included at the end of these User Instructions such as within a standard clear polymer software protection envelope 10 2 Change notes If any changes agreed with Flowserve Pump Division are ...

Страница 42: ...USER INSTRUCTIONS CPX CPXR CPXN and CPXP ENGLISH 71569117 10 09 Page 42 of 44 flowserve com Notes ...

Страница 43: ...USER INSTRUCTIONS CPX CPXR CPXN and CPXP ENGLISH 71569117 10 09 Page 43 of 44 flowserve com Notes ...

Страница 44: ... Service Fax 33 43 40 58 17 To find your local Flowserve representative please use the Sales Support Locator System found at www flowserve com FLOWSERVE REGIONAL SALES OFFICES USA and Canada Flowserve Corporation 5215 North O Connor Blvd Suite 2300 Irving Texas 75039 5421 USA Telephone 1 972 443 6500 Fax 1 972 443 6800 Europe Middle East Africa Worthing S P A Flowserve Corporation Via Rossini 90 9...

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