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Desmi NSL 100-215, Operation And Maintenance Instruction

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Desmi NSL 100-215 Operation And Maintenance Instruction Download Page 122

ORDERING SPARE PARTS 

 

DESMI Pumping Technology A/S  
Tagholm 1 
9400 Nørresundby 

– Denmark 

Tlf. nr.: +45 96 32 81 11 
Fax +45 98 17 54 99 

E-mail: [email protected]m 

www.desmi.com

                                                                                                                                                                                                                 

120

 

11.6. Spare parts list NSL-215/265 -S12 combination  

Pos. No 

Description 

Pos. No 

Description 

1 

Pump casing 

40 

Allen screw 

2 

Pipe plug 

58 

Pipe 

3 

Pipe plug 

59 

Hexagon nipple 

4 

Sealing ring 

70 

Allen screw *) 

5 

Impeller 

71 

Set screw 

6 

Nut 

72 

Interm. flange *) 

7 

Spring washer 

73 

Pointed screw 

8 

Washer 

75 

INSEX-screw 

9 

Sunk key 

81 

Sealing washer 

10 

Mech. Shaft seal 

93 

Set screw 

17 

Shaft 

94 

Base plate 

18 

Rear cover 

95 

Lock washer 

20 

Motor bracket 

96 

Manometer 

21 

O-ring 

97 

Nipple 

22 

Allen screw 

98 

Sleeve 

28 

Guard 

107 

Pipe plug 

*) Only if motor flange is bigger than bracket. 

 

 

Summary of Contents for NSL 100-215

Page 1: ...NSTRUCTIONS NSL MONOBLOC SPACER DESMI Pumping Technology A S Tagholm l DK 9400 N rresundby Denmark Tel 45 96 32 81 11 Fax 45 98 17 54 99 E mail desmi desmi com Internet www desmi com Manual T1542 Lang...

Page 2: ......

Page 3: ...he product 11 2 2 Intended use 12 2 3 Consequences and risks caused by non compliance with this manual 13 2 4 Safety awareness 13 2 5 Safety information for the operator user 13 2 6 Safety information...

Page 4: ...combination 33 4 4 5 NSL 330 415 418 465 525 12 combination 35 4 4 6 NSL 330 415 418 465 525 13 14 combinations 37 4 5 Pump weight 39 5 INSTALLATION 41 5 1 Mounting Fastening 41 5 2 Wiring 41 6 COMMIS...

Page 5: ...ET 95 10 1 12 combination 95 10 1 1 Fitting sealing rings 95 10 1 2 Fitting shaft seal 96 10 1 3 Fitting impeller 97 10 1 4 Fitting rear cover or motor bracket 99 10 1 5 Shaft 100 10 2 02 13 and 14 co...

Page 6: ...50 300 525 12 combination 131 11 18 Spare parts list NSL200 250 300 525 12 combination 132 11 19 Assembly drawing NSL350 525 02 combination 133 11 20 Spare parts list NSL350 525 02 combination 134 11...

Page 7: ...shaft with or without ball bearing mounted on it is coupled with electric motor shaft either by rigid coupling or by flexible coupling The pump suction and discharge ports are casted flanges which com...

Page 8: ...Information attached directly to the pump must always be complied with and be kept in a perfectly legible condition at all times This applies to for example Arrow indicating the direction of rotation...

Page 9: ...requirements Procedure for hydrostatic testing EN 60204 1 2006 A1 2009 Safety of machinery Electrical equipment of machines item 4 General requirements Ecodesign Directive 2009 125 EC Water pumps Com...

Page 10: ...w The liquid in the pump also serves as coolant for the shaft seal Dry run will result in frictional heat being developed causing critical high temperatures at seal faces NOTE Pumping against closed o...

Page 11: ...rive power 10 C above normal operating temperature Contact DESMI in case of doubt about max allowed liquid temperature N rresundby August 25 2022 Henrik M rkholt S rensen Managing Director DESMI Pumpi...

Page 12: ...ndicates a hazard with a low level of risk which if not avoided could result in damage to the product or system Information with this heading is used to address practices not related to personal injur...

Page 13: ...S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 11 E mail desmi desmi com www desmi com 2 1 3 Labels on the product The diagrams below indicate the location of the machin...

Page 14: ...specified in the product literature to prevent overheating bearing damage etc Observe the information on maximum flow rates specified in the product literature to prevent overheating mechanical seal...

Page 15: ...lations shall be complied with Accident prevention health and safety regulations Explosion protection regulations Safety regulations for handling hazardous substances Applicable standards directives a...

Page 16: ...ed re install and or re activate any safety relevant and protective devices Before returning the product to service observe all instructions on commissioning 2 7 Unauthorised modes of operation Never...

Page 17: ...for fresh water and most likely less for other liquids If the pump is to be operated at a higher temperature or if the pump is part of a pool of pumps contact DESMI for the maximum permissible operat...

Page 18: ...8 17 54 99 E mail desmi desmi com www desmi com 16 2 9 Frost protection Pumps which are not in operation during frost periods are to be drained to avoid frost damage Remove the plug 3 at the bottom to...

Page 19: ...th or serious injury Always transport the pump set in the specified position Do not attach the suspension arrangement to the free shaft end or the motor eyebolt Monitor the weight data and the centre...

Page 20: ...TORAGE DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 E mail desmi desmi com www desmi com 18 Figure 3 1 Transport NOTE The lifting straps mus...

Page 21: ...e pump into storage clean and cover the pump openings and connections as needed Store the pump set in a dry protected room where the atmospheric humidity is as constant as possible Rotate the shaft by...

Page 22: ...al of fluids posing a health hazard Collect and properly dispose of flushing fluid and any residues of the fluid handled Handle the chemicals and machine components according to instructions and local...

Page 23: ...ex pumps with special shaft seal The pump is suitable for pumping of clean fresh water with temperatures up to 100 C when ball bearing mounted on pump shaft and up to 140 C when without ball bearing m...

Page 24: ...ion Maximum inlet pressure Pump maximum working pressure pump shut head It is the pressure that shall not lead pump outlet pressure to excess pump allowed maximum working pressure in specific pump ope...

Page 25: ...more torque from pump shaft and more mechanical power from the electric motor This could cause overloading of the pump shaft and the motor Contact your supplier for advice if needed The permissible l...

Page 26: ...served 2 2 2 Where index calc is the valves calculated by the user At the same time none of the forces or moments may exceed the indicated figure multiplied by 1 4 4 2 Technical data 4 2 1 Maximum wor...

Page 27: ...pressure for bronze RG5 CC491K The above mentioned max working pressure is a design value delivered pumps are pressure tested according to actual application requirements or actual flange standards F...

Page 28: ...es e g rotation speed duty point shift by external force liquid type etc Figure 4 2 Vibration measuring position 4 2 4 Hydraulic capacity The capacity of flow and head of the pump is stated on the nam...

Page 29: ...re provided with a name plate on body to describe pump hydraulic and mechanical specification Individual motor name plate on motor body of which description is given in motor operation manual Figure 4...

Page 30: ...he pumps can be delivered in other material combinations according to agreement with the supplier R may be the following 02 Monobloc with bearing in the pump 12 Monobloc without bearing in the pump 13...

Page 31: ...f pump performance M3 HOUR TOTAL HEAD M is rated flow and corresponding total head which is achievable by the pump by verification or by test on mutual agreement If test is performed ISO9906 Grade 2B...

Page 32: ...2 BSP Type H h1 h2 L L1 W DN D d2 K X Y Z B B1 As NSL80 215 567 200 155 530 265 163 80 200 18 160 20 306 25 350 175 8 NSL80 265 574 200 155 580 290 193 80 200 18 160 20 306 25 350 175 8 NSL100 215 587...

Page 33: ...5 530 265 163 80 200 18 160 20 306 25 405 175 NSL80 265 450 200 155 580 290 193 80 200 18 160 20 306 25 405 175 NSL100 215 465 200 155 580 290 181 100 220 18 180 20 306 25 405 175 NSL100 265 470 200 1...

Page 34: ...200 155 580 290 193 80 200 18 160 20 306 25 405 175 8 NSL100 215 889 200 155 580 290 181 100 220 18 180 20 306 25 405 175 8 NSL100 265 920 200 155 630 315 193 100 220 18 180 20 306 25 405 175 8 NSL12...

Page 35: ...600 300 250 235 200 220 200 100 80 180 160 NSL100 330 743 260 215 650 325 250 270 235 250 220 125 100 210 180 NSL100 415 761 260 215 700 350 275 270 235 250 220 125 100 210 180 NSL125 330 788 300 255...

Page 36: ...300 460 400 NSL350 525 1195 430 390 1400 700 453 565 505 580 520 400 350 515 460 Type d2s d2d As Ad X Y Z B B1 O NSL80 330 18 18 8 8 20 306 25 405 175 200 NSL100 330 18 18 8 8 20 306 25 405 175 210 N...

Page 37: ...650 325 250 270 235 250 220 125 100 210 180 NSL100 415 547 260 215 700 350 275 270 235 250 220 125 100 210 180 NSL125 330 549 300 255 700 350 250 300 270 285 250 150 125 240 210 NSL125 415 585 300 255...

Page 38: ...350 515 460 Type d2s d2d As Ad X Y Z B B1 O NSL80 330 18 18 8 8 20 306 25 405 175 200 NSL100 330 18 18 8 8 20 306 25 405 175 210 NSL100 415 18 18 8 8 20 450 25 550 250 250 NSL125 330 22 18 8 8 20 306...

Page 39: ...650 325 250 270 235 250 220 125 100 210 180 NSL100 415 1107 260 215 700 350 275 270 235 250 220 125 100 210 180 NSL125 330 1130 300 255 700 350 250 300 270 285 250 150 125 240 210 NSL125 415 1145 300...

Page 40: ...00 350 515 460 Type d2s d2d As Ad X Y Z B B1 O NSL80 330 18 18 8 8 20 306 25 405 175 200 NSL100 330 18 18 8 8 20 306 25 405 175 210 NSL100 415 18 18 8 8 20 450 25 550 250 250 NSL125 330 22 18 8 8 20 3...

Page 41: ...comb KG Pump A02 A12 D02 D12 comb KG NSL80 215 126 141 100 NSL150 415 454 474 404 424 NSL80 265 135 152 109 NSL200 265 207 240 181 NSL80 330 256 261 206 211 NSL200 330 409 394 359 344 NSL100 215 137 1...

Page 42: ...80 330 301 301 306 306 NSL200 330 459 444 NSL100 215 197 197 214 214 NSL200 415 579 599 NSL100 265 196 196 213 213 NSL200 525 829 919 NSL100 330 311 311 317 317 NSL250 265 346 386 NSL100 415 404 404 4...

Page 43: ...ate corner and foundation then insert shim s at least 50x50 mm between pump base plate corner and foundation before tightening the four bolts in the pump base plate corners The max permissible loads o...

Page 44: ...thumb ensures laminar flow before and after the pump that will give optimum operating conditions But in practice there are many installations where this is not obtained X minimum length of suction pi...

Page 45: ...kets Pipes shall be connected correctly and not overloading the pump flanges Refer to chapter 4 1 regarding max permissible loads on the pump flanges Pipe support shall be designed according to the pi...

Page 46: ...pipeline Flow velocity v in following ranges Note Higher velocities might be acceptable in some installations and or for short term operation v 3 m s at inlet side note v 1 5 m s in manifolds splitti...

Page 47: ...e recommendations in the international standard ISO10816 3 Vibration prevention on vertical Pumps installed on ships High vibration levels at pump motor top is a well known issue in vertical pumps ins...

Page 48: ...0 or 3570 rpm it is normally better to mount the lateral supports at the motor s lifting eye bolt holes i e near the center of gravity for the motor Examples of DESMI vertical pumps with lateral suppo...

Page 49: ...f not the pump will not work normally and might be damaged due to cavitation and or deliver less flow and or less differential pressure H Hb NPSHr Hf Hv Hs Here Hb Barometric liquid head m Pb 10 2 SG...

Page 50: ...am is required Note Some pumps have a service area underneath Insulation Pumps supplied by DESMI can not generally be insulated for heat except at the top of the pump housing i e up to the base flange...

Page 51: ...lines so that The pump is efficiently ventilated The room temperature not exceeding 45 C Ensure airflow around the pump motor The rating of the electrical apparatus is critical in this respect Operati...

Page 52: ...checked All auxiliary connections required are connected and operational If re greasable then motor bearings to be greased acc to motor manual before starting the pump Any pump bearing s are fully gr...

Page 53: ...Vent the pump and the suction line and prime both with the fluid to be handled 2 Fully open the shut off element in the suction line 3 Fully open all auxiliary feed lines barrier fluid flushing liqui...

Page 54: ...esundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 E mail desmi desmi com www desmi com 52 Figure 6 1 Priming pump B114N Figure 6 2 Priming air ejector Please see manual for more details http ww...

Page 55: ...dry running or too much gas content in the fluid handled will cause death or serious injury Do not operate the pump set without liquid fill Prime the pump according to operating instructions Always op...

Page 56: ...nd or the shaft seal In pressurized systems the shaft seal often leaks a bit during standstill in most cases the leakage stops shortly after the pump is started up It is not recommended to lead liquid...

Page 57: ...ut off element in the discharge line and adjust it to comply with the duty point 6 4 Checking the shaft seal The mechanical seal only leaks slightly or invisibly as vapor during operation Mechanical s...

Page 58: ...hapter 4 2 to be complyed with DANGER EXPLOSION HAZARD LEAKAGE OF HOT OR TOXIC FLUID HANDLED When you operate the pump incorrect pressure temperature fluid handled and speed will cause damage to prope...

Page 59: ...n the power reserves of the motor in steady state operation and on the starting conditions DOL star delta moments of inertia etc If the start ups are evenly spaced over the period indicated the follow...

Page 60: ...e to be expected In this case reduce the commonly recommended inspection intervals 6 9 Decommissioning out of service When the pump is decommissioned or put out of service for a longer period of time...

Page 61: ...w alloy materials Commercially available preservatives can be used for this purpose Observe the manufacturer s instructions for application removal Observe any additional instructions and information...

Page 62: ...ng of the differential pressure the quantity of water delivered can be determined against the characteristics of the pump If the pump does not function as intended please proceed according to the faul...

Page 63: ...Ensure correct storage of pumps 2 Preventive maintenance to be followed for long term storage 3 Rotate pump carefully by hand prior to first start up to ensure integrity of mech shaft seal Pump settle...

Page 64: ...ations in the pump and unstable operational readings 2 Flow not increasing at higher pump speed 3 Possible leaking mechanical seal 1 Make sure all valves are open and no filters are clogged etc 2 Chec...

Page 65: ...ystems are working and or with closed suction valves 2 Can operate for a short time towards shut discharge valve acc to rec in manual Operating outside recommended QH area 70 120 of BEP Can lead to pr...

Page 66: ...ve sufficient ramp down time and avoid closing valves too fast 2 Correct usage of non return valves Pump parts e g vent flush piping in pump clogged up Missing supply of liquid for cooling lubrication...

Page 67: ...is considered a wear and tear part A mechanical seal might have some initial leakage like drops or a small trickle during first start up as it has not yet fully settled and become tight Observe the me...

Page 68: ...h the fluid to be handled at all times Provide sufficient inlet pressure Provide an appropriate monitoring system DANGER EXPLOSION HAZARD LEAKAGE OF HOT OR HAZARD FLUIDS DAMAGE TO THE PUMP SET RISK OF...

Page 69: ...not close the shut off element in the suction line and or supply line during pump operation CAUTION RISK OF PROPERTY DAMAGE Too high temperature of fluid handled could damage the pump Do not operate t...

Page 70: ...n when handling the liquid CAUTION RISK OF PROPERTY DAMAGE Operation of the pump at incorrect bearing temperature could damage the pump Make sure that the bearing temperature of the pump set is not mo...

Page 71: ...aft seal replacement is recommended I Motor ampere and or power consumption within normal range I Unusual noise I Unusual vibration normally less than 2 8 mm s from pump itself and less than 7 mm s in...

Page 72: ...able The bearing is to be replaced in case of noise or bearing wear Pump 330 415 418 465 525 Light bearing housing single row ball bearing The bearing is to be relubricated through the lubricator nipp...

Page 73: ...ble for ideal greasing and operating conditions life of 100 000 working hours and are to be relubricated according to the table below Pump 215 265 330 415 418 465 525 Light bearing housing 13 combinat...

Page 74: ...bricator nipples 84 at top and bottom of the bearing housing 18 See instructions for 215 265 The top bearing 15 is to be mounted with the RS sealing facing downwards fill the bearing itself with greas...

Page 75: ...Rembrandt EP 2 or Rubens Statoil UniWay Li 62 If the pump liquid temperature is above 80 C high temperature grease is recommended e g SKF LGHP2 DESMI use SKF LGHP2 as standard Vibration levels higher...

Page 76: ...could damage the pump Monitor contamination of filter with suitable instruments for example using differential pressure gauge Clean the filter at appropriate intervals 8 2 2 Drainage and cleaning WAR...

Page 77: ...w the instructions Use appropriate personal protective equipment depending on the task WARNING HOT SURFACE HAZARD Touching any part of a hot pump can cause severe injury Always allow the pump set to c...

Page 78: ...n the individual components may be hard to pull off the shaft If this is the case use a brand name penetrating agnet and or if possible an appropriate puller Preparing the pump set 1 De energise the p...

Page 79: ...ipping over Note On NSL 12 design pumps the motor motor bracket rear cover and shaft with impeller shall be lifted away from the pump casing as one assembled unit Remove the back pull out unit WARNING...

Page 80: ...E mail desmi desmi com www desmi com 78 2 Remove Allen screws 22 which hold the rear cover 18 and the motor bracket 20 to the pump casing 1 3 Dismantle pipe 58 4 Remove motor bracket and motor The rea...

Page 81: ...mi com www desmi com 2 Remove Allen screws 22 which hold the motor bracket 20 to the pump casing 1 stainless steel pumps have separate rear cover 18 and motor bracket 20 and use Allen screw 40 to conn...

Page 82: ...r 45 96 32 81 11 Fax 45 98 17 54 99 E mail desmi desmi com www desmi com 80 2 Remove set screws 64 which hold the motor bracket 20 to the pump casing 1 3 Dismantle pipe 58 4 Remove motor bracket and m...

Page 83: ...il desmi desmi com www desmi com 6 Loosen the rear cover from the pump casing by means of the pointed screws 86 The rear cover with shaft and impeller can now be lifted up allowing inspection of the i...

Page 84: ...mi desmi com www desmi com 82 3 Dismantle pipe 58 4 Remove set screws 22 with washers 23 which hold the rear cover 18 to the pump casing 5 Loosen the rear cover from the pump casing by means of the po...

Page 85: ...f nr 45 96 32 81 11 Fax 45 98 17 54 99 83 E mail desmi desmi com www desmi com 9 1 2 Dismantling shaft seal 215 265 02 combination 1 Pull the rear cover off the motor bracket by which the coupling 19...

Page 86: ...ews 16 which hold the bearing cover 15 to the rear cover pull rear cover and bearing cover apart by which shaft seal 10 and water deflector 11 are pulled off the shaft 215 265 12 combination 1 Remove...

Page 87: ...330 415 418 465 525 02 combination 1 Remove set screw 6 Pull off the impeller 5 and remove sunk key 9 2 Remove set screws 16 which hold the bearing cover 15 to the rear cover pull rear cover and bear...

Page 88: ...cover out of motor bracket by which the shaft seal 10 is pulled off the shaft 9 1 3 Dismantling seat 1 Press out the seat from behind the rear cover or motor bracket 215 265 in 12 combination 9 1 4 Di...

Page 89: ...to remove the coupling in the 02 combination or the shaft in the 12 combination during normal maintenance However in the 12 combination the shaft must be removed when the lower bearing in the electri...

Page 90: ...eller The numbers in brackets refer to the position numbers on the assembly drawing 215 265 1 Dismantle guard 69 2 Remove Allen screws 77 between coupling part motor 71 and spacer 72 and the screws 76...

Page 91: ...oosen the pointed screw 73 and pull the coupling part pump 70 off the shaft 4 Dismantle the pipe 58 5 Remove Allen screws 22 which hold the rear cover 20 to the pump casing Remove the rear cover from...

Page 92: ...ology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 E mail desmi desmi com www desmi com 90 330 415 418 465 525 1 Dismantle guard 69 2 Remove Allen screws 76 at each...

Page 93: ...d pull the coupling part pump 70 off the shaft 4 Dismantle the pipe 58 5 Remove set screws 22 with washers 23 which hold the rear cover to the pump casing Remove the rear cover from the pump casing by...

Page 94: ...desmi com 92 215 265 1 Remove nut 6 Pull off the impeller and remove sunk key 9 2 Remove Allen screws 19 which hold the bearing housing to the rear cover pull rear cover and bearing housing apart by...

Page 95: ...0 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 93 E mail desmi desmi com www desmi com 2 Remove set screws 19 which hold the bearing housing to the rear cover pull rear cover and beari...

Page 96: ...arings 1 Before dismantling the shaft with bearings remove the sunk key 16 The shaft can now be pulled out of the bearing housing allowing inspection of the bearings 9 2 5 Inspection When the pump has...

Page 97: ...cessories used during assembling work including oil and grease shall meet the the requirement from application food approved if required 10 1 12 combination 10 1 1 Fitting sealing rings 1 When fitted...

Page 98: ...e lapped surface and lubricate the outer rubber L ring of the seat with a thin layer of silicone grease Use a brush and ensure that no silicone grease ends up at the slide surface 3 Press the seat int...

Page 99: ...with shaft NOTE Push the slide ring over the shaft with the hand If the rubber bellows is tight use a fitting tool and take care that the slide ring is not damaged If the carbon ring is not fixed it...

Page 100: ...5 525 fix the rear cover to the motor bracket mounted with electric motor Assembly the shaft seal 10 4 Fit the sunk key in the shaft and lead the impeller towards the shoulder of the shaft Secure the...

Page 101: ...www desmi com 10 1 4 Fitting rear cover or motor bracket 1 Place the O ring 21 between pump casing and rear cover or motor bracket in 215 265 in the O ring groove and hold it with a little grease 2 Sc...

Page 102: ...ddle screw according to the below table Check that the wobble measured as close to the shaft end as possible is within the limits indicated in the table Motor size Dimension Pointed screws Torque Poin...

Page 103: ...1 Fitting sealing rings 1 When fitted the sealing ring 4 in the pump casing 1 is to bear against the shoulder of the pump casing For 330 415 418 465 525 when fitted the sealing ring 27 in the rear co...

Page 104: ...t disc 14 grease valve ring in 330 415 418 525 with angular ball bearings in the bearing cover and press the bearing into place in the bearing cover Lead the shaft 17 through the bearing cover support...

Page 105: ...418 465 525 For pumps with Lip seal in cover under bearing please read appendix A 10 2 3 Fitting water deflector 215 265 1 Assemble bearing cover and rear cover 2 Lead the water deflector 11 over the...

Page 106: ...over and rear cover Do not fasten bearing cover and electric motor until the motor has been mounted and the shaft can rotate freely without 10 2 4 Fitting shaft seal For pumps with balanced shaft seal...

Page 107: ...g bush as shown on the assembly drawing is recommended to avoid that the rubber bellows is cut NOTE Push the slide ring over the shaft with the hand If the rubber bellows is tight use a fitting tool a...

Page 108: ...nk key in the shaft and lead the impeller towards the shoulder of the shaft Secure the impeller with washers 7 and 8 and a set screw 10 2 6 Fitting bearing housing and rear cover 1 Place the O ring 21...

Page 109: ...rews 86 back into the rear cover 3 Fit and fasten bearing housing and rear cover in the pump casing 10 2 7 Shaft When the pump has been assembled check that the shaft rotates freely NOTE When placing...

Page 110: ...81 11 Fax 45 98 17 54 99 E mail desmi desmi com www desmi com 108 10 2 8 Fitting coupling In 02 combination 1 Fit sunk key 76 2 When the coupling bears against the shoulder of the pump shaft fit the...

Page 111: ...ews 76 which are tightened up with torque according to the table below 2 Secure the coupling part pump 70 to the shaft by means of the pointed screw 73 NOTE If the coupling is fitted on the assembled...

Page 112: ...ng to the coupling part motor 71 by means of the Allen screws 77 and lock nuts 79 also with torque according to the table below In order to secure the bolt connection fit a new lock nut or secure with...

Page 113: ...of benzene 3 Place coupling bushes 74 in the top holes of the spacer 72 the chamfering on the bushes is to face downwards Place the coupling bush in the bottom holes of the spacer the chamfering on th...

Page 114: ...allow dismantling and tighten all screws with the torque wrench It might be necessary to push the spacer a little until the screws have located in the thread and you feel that the spacer has found th...

Page 115: ...SPK can be ordered via spareparts desmi com Recommended spare parts stock for 2 years operation to DIN 24296 Quantity of spare parts for recommended spare parts stock NSL 02 combination Part No Descri...

Page 116: ...25 4 Casing wear ring 2 2 2 3 3 4 50 27 only for 330 415 418 465 525 Rear cover wear ring 2 2 2 3 3 4 50 SPK 2 2 2 3 3 4 50 NSL 13 14 combinations Part No Description Number of pumps including stand...

Page 117: ...SPARE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 115 E mail desmi desmi com www desmi com 11 1 Assembly drawing NSL 215 265 02 comb...

Page 118: ...crew 3 Pipe plug 28 Guard 4 Sealing ring 58 Pipe 5 Impeller 59 Hexagon nipple 6 Nut 70 Allen screw 7 Spring washer 71 Set screw 8 Washer 72 Intermediate flange 9 Sunk key 73 Pointed screw 10 Shaft sea...

Page 119: ...SPARE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 117 E mail desmi desmi com www desmi com 11 3 Assembly drawing NSL 215 265 12 comb...

Page 120: ...Description 1 Pump casing 28 Guard 2 Pipe plug 58 Pipe 3 Pipe plug 59 Hexagon nipple 4 Sealing ring 71 Set screw 5 Impeller 73 Pointed screw 6 Nut 75 INSEX screw 7 Spring washer 81 Sealing washer 8 W...

Page 121: ...SPARE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 119 E mail desmi desmi com www desmi com 11 5 Assembly drawing NSL 215 265 S12 com...

Page 122: ...casing 40 Allen screw 2 Pipe plug 58 Pipe 3 Pipe plug 59 Hexagon nipple 4 Sealing ring 70 Allen screw 5 Impeller 71 Set screw 6 Nut 72 Interm flange 7 Spring washer 73 Pointed screw 8 Washer 75 INSEX...

Page 123: ...PARE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 121 E mail desmi desmi com www desmi com 11 7 Assembly drawing NSL 330 415 465 02 co...

Page 124: ...ple 6 Set screw 64 Set screw 7 Spring washer 70 Allen screw 8 Washer 71 Set screw 9 Sunk key 72 Intermediate flange 10 Mech Shaft seal 73 Pointed screw 11 Water deflector 75 INSEX screw 12 Ring lock 7...

Page 125: ...PARE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 123 E mail desmi desmi com www desmi com 11 9 Assembly drawing NSL 330 415 465 12 co...

Page 126: ...1 Pump casing 28 Guard 2 Pipe plug 58 Pipe 3 Pipe plug 59 Hexagon nipple 4 Sealing ring 64 Set screw 5 Impeller 71 Set screw 6 Set screw 73 Pointed screw 7 Spring washer 75 INSEX screw 8 Washer 81 Sea...

Page 127: ...SPARE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 125 E mail desmi desmi com www desmi com 11 11 Assembly drawing NSL300 418 02 comb...

Page 128: ...ipple 6 Nut 64 Set screw 7 Spring washer 70 Allen screw 8 Inlet cone 71 Set screw 9 Sunk key 72 Intermediate flange 10 Mech shaft seal 73 Pointed screw 11 Water deflector 75 INSEX screw 12 Ring lock 7...

Page 129: ...SPARE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 127 E mail desmi desmi com www desmi com 11 13 Assembly drawing NSL300 418 12 comb...

Page 130: ...pe plug 59 Hexagon nipple 3 Pipe plug 61 Hexagon nipple 4 Sealing ring 64 Set screw 5 Impeller 71 Set screw 6 Nut 73 Pointed screw 7 Spring washer 75 INSEX screw 8 Inlet cone 81 Sealing washer 9 Sunk...

Page 131: ...RE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 129 E mail desmi desmi com www desmi com 11 15 Assembly drawing NSL200 250 300 525 02...

Page 132: ...t screw 59 Hexagon nipple 7 Spring collar 60 Set screw 8 Inlet cone 61 Hexagon nipple 9 Sunk key 63 Bracket 10 Mech shaft seal 64 Set screw 11 Water deflector 67 Set screw 12 Ring lock 69 Guard 13 Bal...

Page 133: ...RE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 131 E mail desmi desmi com www desmi com 11 17 Assembly drawing NSL200 250 300 525 12...

Page 134: ...0 Set screw 4 Sealing ring 61 Hexagon nipple 5 Impeller 63 Bracket 6 Set screw 64 Set screw 7 Spring collar 67 Set screw 8 Inlet cone 69 Guard 9 Sunk key 73 Pointed screw 10 Mech shaft seal 81 Sealing...

Page 135: ...SPARE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 133 E mail desmi desmi com www desmi com 11 19 Assembly drawing NSL350 525 02 comb...

Page 136: ...6 Nut 47 Washer 7 Spring washer 58 Pipe 8 Inlet cone 59 Hexagon nipple 9 Sunk key 61 Hexagon nipple 10 Mech shaft seal 64 Set screw 11 Water deflector 71 Set screw 12 Ring lock 73 Pointed screw 13 Bal...

Page 137: ...SPARE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 135 E mail desmi desmi com www desmi com 11 21 Assembly drawing NSL350 525 12 comb...

Page 138: ...3 Pipe plug 47 Washer 4 Sealing ring 58 Pipe 5 Impeller 59 Hexagon nipple 6 Nut 61 Hexagon nipple 7 Spring washer 64 Set screw 8 Inlet cone 71 Set screw 9 Sunk key 73 Pointed screw 10 Mech shaft seal...

Page 139: ...umping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 137 E mail desmi desmi com www desmi com 11 23 Assembly drawing NSL 215 265 14 combination See 330 415...

Page 140: ...g washer 74 Elastomer 8 Washer 76 Allen screw 9 Sunk key 77 Allen screw 10 Mech shaft seal 79 Nut 11 Water deflector 81 Sealing washer 12 Ring lock 84 Lubricator nipple 13 Ball bearing 86 Pointed scre...

Page 141: ...PARE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 139 E mail desmi desmi com www desmi com 11 25 Assembly drawing NSL 330 415 465 14 c...

Page 142: ...Coupling bush 10 Mech shaft seal 76 Allen screw 11 Water deflector 81 Sealing washer 12 Ring lock 84 Lubricator nipple 13 Ball bearing 86 Pointed screw 14 Grease valve ring 93 Set screw 15 Ball beari...

Page 143: ...SPARE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 141 E mail desmi desmi com www desmi com 11 27 Assembly drawing NSL300 418 14 comb...

Page 144: ...Pointed screw 10 Mech shaft seal 74 Coupling bush 11 Water deflector 76 Allen screw 12 Ring lock 81 Sealing washer 13 Ball bearing 84 Lubricator nipple 14 Grease valve ring 86 Pointed screw 15 Ball be...

Page 145: ...RE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 143 E mail desmi desmi com www desmi com 11 29 Assembly drawing NSL200 250 300 525 14...

Page 146: ...73 Pointed screw 11 Water deflector 74 Coupling bush 12 Ring lock 76 Allen screw 13 Ball bearing 81 Sealing washer 14 Grease valve ring 84 Lubricator nipple 15 Ball bearing 86 Pointed screw 16 Sunk k...

Page 147: ...SPARE PARTS DESMI Pumping Technology A S Tagholm 1 9400 N rresundby Denmark Tlf nr 45 96 32 81 11 Fax 45 98 17 54 99 145 E mail desmi desmi com www desmi com 11 31 Assembly drawing NSL350 525 14 comb...

Page 148: ...haft seal 72 Spacer 11 Water deflector 73 Pointed screw 12 Ring lock 74 Coupling bush 13 Ball bearing 76 Allen screw 14 Grease valve ring 81 Sealing washer 15 Ball bearing 84 Lubricator nipple 16 Sunk...

Page 149: ...If the motor shaft is too long then it has to be machined milled to nominal length It has to be checked if the shaft sealing have the correct length when mounted on the pump shaft as shown below I e...

Page 150: ...n during the mounting procedure Also any fingerprints shall be removed with alcohol or another suitable solvent NOTE ELK shaft seals must be turned after installation So O rings springs and sliding su...

Page 151: ...1 11 Fax 45 98 17 54 99 149 E mail desmi desmi com www desmi com APPENDIX B Assembly drawing of Lip seal kit in cover under bearing The lip seal kit is optional Figure 13 1 Lip seal kit in cover under...

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