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WSP™ 

DATA SHEET

 

WSP™ SELF-PRIMER PUMPS 

WSP-D300_10 

Rev. 3 

 

01/09/20 

 

 

© 2019 The Factory 

46 

 

Figure 13

 

 

 

F.  DISCHARGE LINES 

 

1.  Siphoning 

 

Avoid ending the discharge line lower than the liquid being pumped 

unless a siphon breaker is in use.  Without a siphon breaker installed, 

siphoning may damage the pump. 

 

2.  Valves 

 

When using a discharge line throttling valve, it 

must 

be the same size 

as the largest pipe to reduce friction loss.  Do 

not

 install a throttling 

value in the suction line. 

 

If using high discharge heads, Weir Specialty Pumps suggests a 

throttling valve coupled with a system check valve in the discharge 

line. When the pump is stopped, this helps ensure the pump is safe 

from reverse rotation and extreme shock pressure. 

 

Содержание 10-WSP

Страница 1: ...Self Priming Pumps Installation Operation Maintenance Instructions Model 10 WSP WSP D300_10 Trillium Flow Technologies Tel 801 359 8731 Fax 801 530 7531 Copyright 2019 The Factory All rights reserved ...

Страница 2: ...TALLING THE MECHANICAL SEAL 29 1 Mechanical Seal Installation 31 2 Cartridge Seal Installation 32 K INSTALLING ADJUSTING THE IMPELLER 33 L INSTALLING THE ROTATING ASSEMBLY 34 M INSTALLING THE SUCTION CHECK VALVE 34 N IMPELLER FRONT WEARPLATE CLEARANCE ADJUSTMENT 35 V MAINTAINING THE PRESSURE RELIEF VALVE 35 A Final Pump Assembly 35 VI LUBRICATION 36 A Seal Cavity 36 B Bearing Cavity 36 C Power Sou...

Страница 3: ...Type Couplings 53 4 V Belt Drives 54 IX OPERATION 54 A Priming 55 B START UP 56 1 Rotation 56 C OPERATION 56 1 Lines with a Bypass 56 2 Lines Without a Bypass 57 3 Leaking 57 4 Liquid Temperature and Overheating 57 5 Strainer Check 58 6 Checking the Pump Vacuum 58 D STOPPING 59 1 General Information for Pump Storage 59 2 Preserving the Pump in Cold Weather 60 E CHECKING THE BEARING TEMPERATURE 60 ...

Страница 4: ...mpeller clearance It pumps liquids containing large entrained solids as well as slurries Its basic material is ductile iron with a cast steel impeller and a steel wearplate For questions about the pump or its application not covered in this manual or other documentation included with the unit please contact your WSP distributor or write to Trillium Flow Technologies Phone 801 359 8731 Contact the ...

Страница 5: ...LD RESULT FROM FAILURE TO FOLLOW THE PROCEDURE HAZARDS OR UNSAFE PRACTICES WHICH COULD RESULT IN MINOR PERSONAL INJURY OR PRODUCT OR PROPERTY DAMAGE WHICH COULD RESULT FROM FAILURE TO FOLLOW THE PROCEDURE II SAFETY The installation operation and maintenance warnings for all sized WSP Self Primer WSP Pumps follows PLEASE STUDY THESE INSTRUCTIONS CAREFULLY BEFORE PUTTING THE PUMP INTO SERVICE ADHERE...

Страница 6: ...FROM THE PUMP BY REMOVING THE CASING DRAIN PLUG WHEN REMOVING THE DRAIN PLUG USE CAUTION FAILURE TO DO SO MAY RESULT IN INJURY PLATES COVERS GAUGES OR FITTINGS MUST NOT BE REMOVED FROM AN OVERHEATED PUMP LIQUIDS IN THE PUMP CAN REACH BOILING TEMPERATURES AND PRESSURE INSIDE THE PUMP CAN CAUSE PARTS TO BE EXPELLED VIOLENTLY BEFORE SERVICING ALLOW SUFFICIENT TIME FOR AN OVERHEATED PUMP TO COMPLETELY...

Страница 7: ... PLUGS 3 ENSURE THAT SUCTION AND DISCHARGE VALVES ARE CLOSED 4 SLOWLY AND CAREFULLY VENT THE PUMP 5 DRAIN THE PUMP ONCE THE PUMP HAS BEEN POSITIONED ENSURE THAT ALL PUMP AND PIPING CONNECTIONS ARE TIGHTENED SECURED AND SUPPORTED PROPERLY ALL GUARDS AND PROTECTIVE DEVICES MUST BE INSTALLED BEFORE THE PUMP IS STARTED CONTACT WITH UNGUARDED BELTS SHEAVES OR COUPLINGS COULD RESULT IN INJURY PLATES COV...

Страница 8: ...TING ENSURE THAT ALL SUCTION AND DISCHARGE HOSES AND PIPING HAVE BEEN REMOVED FROM THE PUMP AND THE PUMP IS FREE FROM ANY BASE OR DRIVER EQUIPMENT LIFTING DEVICES SUCH AS CHAIN LIFTING EYES HOOKS ETC MUST BE APPROVED BY LOCAL STATE OR FEDERAL SAFETY CODES HOIST AND CRANES MUST BE ADEQUATELY SIZED TO LIFT RATED LOADS FAILURE TO USE APPROVED LIFTING DEVICES MAY RESULT IN INJURY ENSURE THAT THE BYPAS...

Страница 9: ...Y PRIOR TO WORKING ON THIS PUMP ALWAYS LOCK OUT OR DISCONNECT THE PUMP FROM ITS POWER SOURCE IT MUST REMAIN INOPERABLE DURING REPAIRS NO PERSON SHOULD ATTEMPT TO OPEN OR SERVICE THIS PUMP BEFORE BECOMING THOROUGHLY FAMILIAR WITH ALL THE PROCEDURES OUTLINED IN THIS MANUAL 1 PLEASE STUDY THESE INSTRUCTIONS CAREFULLY 2 WHEN PERFORMING EQUIPMENT MAINTENANCE THE EQUIPMENT ELECTRICAL SERVICE MUST BE LOC...

Страница 10: ...AND CRANES MUST BE ADEQUATELY SIZED TO LIFT RATED LOADS FAILURE TO USE APPROVED LIFTING DEVICES MAY RESULT IN INJURY BEFORE USING ANY CLEANING SOLVENTS CAREFULLY READ AND FOLLOW ALL PRECAUTIONS PRINTED ON THE SOLVENT CONTAINER CLEANING SOLVENTS ARE KNOWN TO BE TOXIC AND FLAMMABLE AND ARE ONLY TO BE USED IN WELL VENTILATED AREAS AWAY FROM EXCESSIVE HEAT SPARKS AND FLAMES PRESSURE WITHIN THE PUMP MA...

Страница 11: ...LOSED BEFORE THE PUMP IS STOPPED BYPASS LINES MUST BE SECURED AGAINST BEING DRAWN INTO THE PUMP SUCTION INLET WHEN RETURNED TO A WET WELL ALIGNMENT ADJUSTMENT IN ONE DIRECTION MAY DISRUPT ALIGNMENT ADJUSTMENT IN ANOTHER DIRECTION CHECK EACH PROCEDURE AFTER ALTERING ALIGNMENT PUMP PERFORMANCE INCLUDING SPEED AND OPERATING CONDITIONS ARE REQUIRED TO BE WITHIN THE RANGE SHOWN ON THE MANUFACTURER S PU...

Страница 12: ...LACEMENT OF THE BEARINGS ANYTIME THE SHAFT AND BEARINGS ARE REMOVED BEARINGS MUST BE KEPT IN AN ENVIRONMENT THAT IS FREE OF ALL DIRT AND FOREIGN MATERIAL FAILURE TO DO SO WILL RESULT IN A SHORTER BEARING LIFE THE BEARINGS SHOULD NEVER BE SPUN DRY AS THIS MAY SCRATCH THE BALLS OR RACES AND WILL CAUSE PREMATURE BEARING FAILURE NEVER PRESS OR HIT AGAINST THE OUTER RACE BALLS OR BALL CAGE DURING BEARI...

Страница 13: ...NSULTING THE FACTORY WHEN REUSING AN OLD SEAL DO NOT ATTEMPT TO SEPARATE THE ROTATING PORTION OF THE SEAL FROM THE SHAFT SLEEVE DURING USE THE RUBBER BELLOWS WILL BOND TO THE SLEEVE AND ATTEMPTING TO SEPARATE THEM WILL DAMAGE THE BELLOWS BEFORE REINSTALLING THE IMPELLER COMPLETELY CLEAN THE SHAFT AND IMPELLER THREADS THE SMALLEST AMOUNT OF DIRT ON THE THREADS COULD CAUSE THE IMPELLER TO SEIZE ON T...

Страница 14: ...rent or proposed application contact your WSP distributor or the Weir Specialty Pump factory The key to a quality preventive maintenance program is continuous record keeping Always note changes in suction and discharge gauge readings if your pump includes such gauges If there are changes between regular inspections it may indicate some type of dysfunction that can be corrected before damage to you...

Страница 15: ...following If your pump is driven by V Belts Check tightness Alignment of belts Tension belts Check the following If your pump is direct drive with a coupling Inspect the coupling for signs of Wear Misalignment Loose fasteners Check the following If your pump has an Air Release Valve Inspect and lubricate Semi Annually Service Owner Status Notes Check the following Adjust impeller to wear plate cle...

Страница 16: ...ssible situation that could happen during maintenance or repair of the WSP Self Primer Pump As always it is the owner s and maintenance staff s duty to be sure that safety and established maintenance procedures and processes are used Any procedures or processes not noted in this manual should only be completed after determining that personal safety and equipment integrity is not harmed A number of...

Страница 17: ...ng repairs Next shut all the valves in both discharge and suction lines PRIOR TO WORKING ON THIS PUMP ALWAYS LOCK OUT OR DISCONNECT THE PUMP FROM ITS POWER SOURCE IT MUST REMAIN INOPERABLE DURING REPAIRS Digit 1 Digit 2 Digit 3 Digit 4 Digit 5 Digit 6 Digit 7 Digit 8 Digit 9 Case Cover Plate Seal Plate Wear Plate Bearing Housing Impeller Flanges Hardware O rings Seal A DI A CI A Steel A DI CI A St...

Страница 18: ...G TO OPEN OR SERVICE THE PUMP 4 CAREFULLY CHECK THE TEMPERATURES BEFORE OPENING ANY COVERS PLATES OR PLUGS 5 CLOSE THE SUCTION AND DISCHARGE VALVES 6 CAREFULLY AND SLOWLY VENT THE PUMP 7 DRAIN THE PUMP A REMOVING THE SUCTION INLET ASSEMBLY WEARPLATE While being sure the suction inlet assembly is supported take out the mounting hardware the suction inlet assembly and the suction inlet gasket There ...

Страница 19: ...tion check valve cover plate Take off the check valve cover and gasket Examine the check valve cover gasket for wear or damage Install a new gasket if necessary Reaching through the suction inlet inspection port press the suction check valve up so the two check valve blocks shift from a horizontal to a vertical position Accurately position the suction check valve retaining blocks and pull the suct...

Страница 20: ...te its removal top bottom and at 120 increments The holes are not completely taped so they must be used with a puller Examine the front wearplate and its gasket and install new ones if they appear worn or damaged To prevent seal cavity oil from escaping when the impeller is loosened remove the seal cavity drain plug and drain the oil in the seal cavity before loosening the impeller With the rotati...

Страница 21: ...rive end of the shaft When installing the lathe dog be sure the V notch is positioned over the shaft key While the impeller rotation is still immobile Figure 4 use a piece of long heavy bar to lever against the arm of the lathe dog prying the bar in a counterclockwise direction You should be facing the drive end of the shaft Be very careful to avoid damaging either the keyway or the shaft Once the...

Страница 22: ...earing housing mounting plate Secure the bolts equally to force the rotating assembly into the pump case NOTE If you prefer a tool for disassembly may be obtained from Weir Specialty Pumps Should you select this option follow all instructions included in the package You may construct a tool that is similar if you use a inch pipe made of schedule 80 steel or malleable iron with a standard tee conne...

Страница 23: ...ve the O ring from the bearing housing D REMOVING THE IMPELLER Carefully detach the impeller from the shaft after the rotating assembly is removed from the pump casing Because the tension on the shaft seal spring will be released as it is removed use extra care and caution Inspect and replace the impeller if it is severely worn or shows cracking After removing the adjusting shims from the impeller...

Страница 24: ...r wear then disassemble the shaft and bearings DISASSEMBLY OF THE SHAFT AND BEARING IS NOT RECOMMENDED IN THE FIELD PERFORM THESE OPERATIONS ONLY IN A PROPERLY EQUIPPED SHOP BY QUALIFIED TECHNICIANS Remove the drain plug from the bearing housing Drain the lubricant then clean inspect and reinsert the drain plug Disconnect the pump hardware before sliding the bearing cap and oil seal from the shaft...

Страница 25: ...AND FOREIGN MATERIAL FAILURE TO DO SO WILL RESULT IN A SHORTER BEARING LIFE THE BEARINGS SHOULD NEVER BE SPUN DRY AS THIS MAY SCRATCH THE BALLS OR RACES AND WILL CAUSE PREMATURE BEARING FAILURE To check for roughness or bearing binding rotate bearings by hand and inspect the balls If the bearing balls are discolored or rotating them is rough replace the bearings Bearing tolerances provide tight fi...

Страница 26: ...f into the outer bearing housing half and install all the bolts and lock washers See Figure 7 Torque the bolts to 67 lb ft for dry threads and 40 lb ft for lubricated threads I REASSEMBLING INSTALLATING THE SHAFT BEARING Soak a soft cloth in cleaning solvent and wipe down the bearing housing the shaft and all component parts with the exception of the bearings Check all parts for damage or wear and...

Страница 27: ...INSTALLATION OF THE BEARINGS INTO THE BEARING BORE NEVER STRIKE THE BALL CAGE OR BALLS NOTE To correctly install the outboard bearing on the shaft place it with the integral retaining ring on the bearing O D near the drive end of the shaft To ease installation the bearings may be heated with an induction heater an electric oven a hot plate or a hot oil bath Bearings should never be heated directly...

Страница 28: ...arings are installed in the bearing housing When the lip seal sleeve is installed lubricate the lip seal portion of the shaft before sliding the shaft and assembled bearings into the bearing housing The retaining ring on the outboard bearing should be seated against the bearing housing Next remove the installation tool or properly tapered sleeve Once the lip is positioned as shown in Figure 8 push...

Страница 29: ...INTED ON THE SOLVENT CONTAINER CLEANING SOLVENTS ARE KNOWN TO BE TOXIC AND FLAMMABLE AND ARE ONLY TO BE USED IN WELL VENTILATED AREAS AWAY FROM EXCESSIVE HEAT SPARKS AND FLAMES Soak a cloth in fresh cleaning solvent Thoroughly wipe down the seal cavity and the shaft Look carefully for nicks burrs and debris in the stationary seat bore located in the sealplate Remove any that exist and be sure the ...

Страница 30: ...HOULD BE INSTALLED DURING REASSEMBLY WEAR PATTERNS ON THE FINISHED FACES CANNOT BE REALIGNED PREMATURE SEAL FAILURE WILL RESULT FROM USING AN OLD SEAL Facilitate seal installation by lubricating the shaft sleeve O ring and the external stationary seat O ring with a tiny amount of light lubricating oil Figure 10 shows seal part identification Figure 10 ...

Страница 31: ...d with the mechanical seal to prevent damage to the O ring Slip the shaft sleeve over the threads sliding the O ring off the shaft sleeve onto the shaft After removing the shaft sleeve continue sliding the O ring down the shaft until it seats itself against the shaft shoulder then use light oil to lubricate the shaft sleeve O ring 3 To install a new seal assembly unpack the new seal and using the ...

Страница 32: ... plate O ring with light grease and install in on the seal plate 2 Stretch the O ring over an appropriately sized tube to prevent damage to the O ring Slip the tube over the threads sliding the O ring off the tube onto the shaft After removing the tube continue sliding the O ring down the shaft until it seats itself against the shaft shoulder then use light oil to lubricate the shaft sleeve O ring...

Страница 33: ...obtain a clearance of 025 to 040 of an inch for optimal pump efficiency measure the clearance between the impeller and the rear wearplate Remove the impeller and remove an adequate amount of adjusting shims to ensure adequate clearance is obtained Once adequate clearances between the impeller and the rear wearplate are met tighten the impeller with a lathe dog and a block of wood Insert the impell...

Страница 34: ...ling Lightly coat the front wearplate gasket with a sheer film of grease then install Be careful to avoid stretching the gasket Place the gasket in the groove between the pump case and the front wearplate Align at four points 90 apart see Figure 11 1 below then slip the gasket in between the points alternating at opposing clock positions when necessary see Figure 11 2 below to assure the gasket is...

Страница 35: ...jack bolts to force the rotating assembly out of the pump case and allow installation of shims measuring from 010 to 015 more than the previous clearance Take out the 3 jack bolts and return them o their prior position with an adequate amount of shims Repeat this procedure on the remaining outer bolt circle bolts You may need to repeat the adjustment procedure from time to time to make up for norm...

Страница 36: ...ump service VI LUBRICATION A Seal Cavity Take out the vented plug before starting the pump Use SAE No 30 oil in the seal cavity and fill it to the middle of the sight gauge For maximum performance be sure to keep the oil level in the middle of the gauge at all times When adequate lubrication is achieved clean and reinstall the vented plug in the seal cavity B Bearing Cavity Before it was shipped f...

Страница 37: ...ump before any attempts to open or maintain your WSP Self Primer pump NO PERSON SHOULD ATTEMPT TO OPEN OR SERVICE THIS PUMP BEFORE BECOMING THOROUGHLY FAMILIAR WITH ALL THE PROCEDURES OUTLINED IN THIS MANUAL 1 PLEASE STUDY THESE INSTRUCTIONS CAREFULLY 2 WHEN PERFORMING EQUIPMENT MAINTENANCE THE EQUIPMENT ELECTRICAL SERVICE MUST BE LOCKED OUT WITH AN APPROVED LOCKOUT AND KEY 3 IF THE PUMP HAS OVERH...

Страница 38: ...k strainer and clean if necessary PUMP STOPS OR FAILS TO DELIVER RATED FLOW OR PRESSURE POSSIBLE CAUSE PROBABLE REMEDY Air leaking into suction line Correct leak Internal lining of suction hose separation Replace suction hose Leaking or worn seal or pump gasket Check pump vacuum Replace leaking or worn seal or gasket Strainer plugged or blocked Check strainer and clean if necessary Suction intake ...

Страница 39: ...r foot valve clogged or binding Clean valve EXCESSIVE NOISE POSSIBLE CAUSE PROBABLE REMEDY Pump cavitating Reduce suction lift and or friction losses in suction line Record vacuum and pressure gauge readings and consult local representative or factory Pump is sucking air Locate and eliminate source of air bubble Pump or drive not mounted securely Secure mounting hardware Impeller plugged blocked o...

Страница 40: ...ied to each pump is critical to equipment performance and operator safety so be careful to limit the pump pressure to no more than 50 of the maximum operating pressure allowed This information is located in the Pump Performance Curve graph located in Section X of this instruction manual Please contact your local WSP distributor or the factory if you need additional help A PUMP DIMENSIONS For the p...

Страница 41: ...g that does not appear to be normal requires you to contact your local WSP distributor or the factory for repair or the updating policy If you determine the life span of either the pump or its power source has been exceeded contact your local WSP distributor or the factory for repair or the updating policy If the pump fails inspection do not put it into service until you have resolved any problems...

Страница 42: ...evation increased suction lift and friction losses will negatively affect pump operation To avoid a reduction in pump performance follow the operating range noted in the Pump Performance Curve diagram located in Section X of this instruction manual This will ensure your pump will operate within a safe operating range and maximize its performance 1 Materials You may use hose or pipe for the dischar...

Страница 43: ...s Avoid installing gauges any closer to the pump since closer installation may result in incorrect readings E SUCTION LINES Be sure the suction line is both short and direct to eliminate air pockets Air pockets may adversely affect pump priming Operation requiring suction lift from the source liquid being pumped must have a line that slopes upward to the pump Should the line slope downward anywher...

Страница 44: ...lant is appropriate for the liquid being pumped 4 Suction Lines in Sumps When installing a single suction line in a sump keep it away from the wall of the sump and at a length equal to 1 times the diameter of the suction line Any liquid flowing into the sump from an unclosed pipe must be at a distance from the suction inlet to avoid air intake into the sump Air in the suction line causes a reducti...

Страница 45: ...fer to Figure 12 and Figure 13 showing the suggested minimum submergence vs velocity chart NOTE Reduce pipe submergence requirements at the end of the suction line by installing a standard pipe increaser fitting Increased size of the opening will slow velocity at the inlet Calculate adequate submergence using the formula below The formula is based on the enlarged opening size area of the diameter ...

Страница 46: ...alled siphoning may damage the pump 2 Valves When using a discharge line throttling valve it must be the same size as the largest pipe to reduce friction loss Do not install a throttling value in the suction line If using high discharge heads Weir Specialty Pumps suggests a throttling valve coupled with a system check valve in the discharge line When the pump is stopped this helps ensure the pump ...

Страница 47: ... to keep it closed NOTE Any bypass line must be correctly sized to avoid compromising the pump s discharge capacity A bypass line must have a minimum diameter of 1 inch to reduce chances of plugging During low discharge head applications under 30 feet or 9 meters Weir Specialty Pumps advises a bypass line running back to the wet well Place the bypass line at the cut off point of the low level pump...

Страница 48: ...ts solids from plugging the line must be used in applications where a manual shut off valve is located anywhere in the air release piping FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN SEVERE INJURY WHEN A MANUAL SHUT OFF VALVE IS INSTALLED IN A BYPASS LINE IT MUST REMAIN OPEN DURING OPERATION CLOSING THE MANUAL SHUT OFF VALVE COULD CAUSE A PUMP WHICH HAS LOST PRIME TO CONTINUE TO OPERATE WITH...

Страница 49: ...re is based on the gauge pressure seen at discharge of pump 1 Theory of Operation See Figures 14 and 15 for a cross sectional view of the WSP ARV and a description of its operation Figure 14 Valve in Open Position Figure 15 Valve in Partially Closed Position Air from the pump casing passes through the bypass line and the air release valve to the wet well during the priming cycle Figure 14 ...

Страница 50: ...he pump shuts down Solids remaining in the chamber of the diaphragm will settle at the bottom During the next priming cycle these leftover solids will be flushed out NOTE Should the pump not achieve adequate pressure levels for its designed capacity or head the valve will stay open Adequate pressure to close the valve depends on the discharge head of the pump working at full capacity The valve s r...

Страница 51: ... end of the valve body The valve outlet opening is at the opposite small end of the valve body It also has 1 inch standard NPT pipe threads A bleed line that drops back to the wet well or sump must be connected to the valve outlet Figure 18 It is imperative that the bleed line is the same size or larger than the inlet piping When possible do not use elbows in a bleed line made of piping NOTE Every...

Страница 52: ...rvice staff must inspect for correct alignment once the pump and piping have been installed NOTE Check Section IX OPERATION Part B Start Up for Rotation prior to final pump alignment Both drive and pump are aligned prior to being shipped when the Weir Self Primer Pump is mounted at the factory During shipping and handling the pump and drive may lose the factory alignment Therefore it is vital that...

Страница 53: ...s to measure dimensions on the circumference of the outer ends of the coupling hub every 90º when aligning spider insert type couplings The coupling is only in perfect alignment when hub ends are spaced evenly at all points Figure 19 Figure 19 3 Non Spider Type Couplings Use a feeler or taper gauge between coupling halves every 90º to align non spider type couplings The coupling is only in perfect...

Страница 54: ... Be sure the belts are matched in drive systems using two or more belts Mismatched belts will cause wear and a shorter belt life Figure 20 Always tighten drive belts to the belt manufacturer s specifications Belts will slip if they are too loose and there will be excessive power loss and potential bearing failure if they are too tight Excessive pump speed may harm both the pump and its power sourc...

Страница 55: ...pump and piping must be installed as required in Section VIII INSTALLATION Be sure the pump is firmly mounted and all pipe connections are airtight Inspect pump lubrication as instructed in Section VI LUBRICATION Your WSP pump is self priming but must always have liquid in the pump casing when in use THIS PUMP SHOULD ALWAYS BE OPERATED WITH LIQUID IN THE PUMP CASING WHEN OPERATING THE PUMP DRY THE...

Страница 56: ...f rotation prior to using other troubleshooting procedures if your pump s performance is not within the manufacturer s specified limits See Pump Performance Curve in Section X When an electric motor is running the WSP Self primer pump remember to remove the V belts and couplings If the V belts and couplings are not removed you must disconnect the pump from the motor and only then check the motor s...

Страница 57: ...ures attached to the line Adjust the throttling valve to the mandatory flow rate once the discharge line is filled to capacity DO NOT OPERATE PUMP WITH BOTH SUCTION AND DISCHARGE VALVES CLOSED OR WITH SUCTION OR DISCHARGE BLOCKED BY CLOGGING THIS COULD CAUSE DAMAGE AND IS DANGEROUS THESE PUMPS ARE TO BE USED FOR LIQUID SERVICE ONLY EXCESSIVE PRESSURE CAN CAUSE MALFUNCTION LEADING TO INJURY 3 Leaki...

Страница 58: ...ief valve assembly during each maintenance check or any time the pump casing overheats and triggers the valve to release pressure The pressure relief valve may only be replaced with an original manufacturer s pressure relief valve provided by Weir Specialty Pumps Do not use a substitute 5 Strainer Check When a suction strainer is included with the pump or the user has installed a strainer inspect ...

Страница 59: ...when fluids being pumped are suddenly stopped To avoid costly repairs or replacement of the equipment slowly shut all the connecting valves When using an engine to drive the pumps slow the throttle speed gradually then permit the engine to idle for a few minutes before completing the shutdown IN HIGH DISCHARGE HEAD APPLICATIONS THE DISCHARGE THROTTLING VALVE MUST BE GRADUALLY CLOSED BEFORE THE PUM...

Страница 60: ... the Pump in Cold Weather a Protect the pump from freezing in temperatures under 32 F 0 C by completely draining it and using a hose to flush out remaining solids Once remaining solids are flushed out turn the pump on for 1 minute to expel any leftover fluid that might freeze and damage rotating parts in the pump b Drain and rinse the pump with clean water when it has been sitting for longer than ...

Страница 61: ...and be sure it is at the appropriate level as noted in Section VI LUBRICATION Incorrect positioning of the shaft can cause overheating of the bearings Too much vibration can also cause the bearings to overheat During initial pump start up the bearings may seem to operate at higher than normal temperatures however continuing pump operation should reduce the temperatures to normal operating range TH...

Страница 62: ...ction 10 Discharge 10 Impeller Diameter 14 75 Max Solid Sphere 3 00 BHP GPM x FT x SG 3960 x Efficiency KW 367 x Efficiency M 3 HR x M Copyright 2002 All rights reserved MAY 2006 Certified tests are performed using Hydraulic Institute acceptance level B VARIABLE 1250 60HP 1350 1150 50HP 30HP 40HP 20HP 1050 950 60 1450 850 650 50 25HP 15HP 75 Determine NPSHR prior to using repriming table Do not us...

Страница 63: ...WSP DATA SHEET WSP SELF PRIMER PUMPS WSP D300_10 Rev 3 01 09 20 2019 The Factory 63 B 10 WSP General Arrangement Drawing ...

Страница 64: ...WSP DATA SHEET WSP SELF PRIMER PUMPS WSP D300_10 Rev 3 01 09 20 2019 The Factory 64 ...

Страница 65: ...WSP DATA SHEET WSP SELF PRIMER PUMPS WSP D300_10 Rev 3 01 09 20 2019 The Factory 65 10 WSP Sectional Drawing and Parts List ...

Страница 66: ...WSP DATA SHEET WSP SELF PRIMER PUMPS WSP D300_10 Rev 3 01 09 20 2019 The Factory 66 ...

Страница 67: ...WSP DATA SHEET WSP SELF PRIMER PUMPS WSP D300_10 Rev 3 01 09 20 2019 The Factory 67 ...

Страница 68: ...WSP DATA SHEET WSP SELF PRIMER PUMPS WSP D300_10 Rev 3 01 09 20 2019 The Factory 68 ...

Страница 69: ...WSP DATA SHEET WSP SELF PRIMER PUMPS WSP D300_10 Rev 3 01 09 20 2019 The Factory 69 ...

Страница 70: ...WSP DATA SHEET WSP SELF PRIMER PUMPS WSP D300_10 Rev 3 01 09 20 2019 The Factory 70 ...

Страница 71: ...WSP DATA SHEET WSP SELF PRIMER PUMPS WSP D300_10 Rev 3 01 09 20 2019 The Factory 71 C WSP Air Release Valve Drawing and Parts List ...

Страница 72: ... FITTING V1714 SST 1 412 LOCK WASHER 20939 316 SST 6 413 NUT HEX 20970 316 SST 8 414 BOLT HOUSING LONG 800548 316 SST 2 415 NUT SELF LOCKING NYLON 12221 NYLON 1 416 O RING INSPECTION COVER 803167 NITRILE 1 417 O RING INSPECTION COVER 803168 NITRILE 1 418 OIL SEAL 803166 STD 1 419 BOLTS END CAP 13553 316 SST 6 420 BOLTS HOUSING SHORT 20944 316 SST 6 421 SPRING RETAINER 0730072 151 316 SST 1 ASSEMBL...

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