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WORTHINGTON
WORTHINGTON
centri ri fug
cent
fug a a l pum
l pumps ps
Single stage, double suction, horizontally split, volute type
Single stage, double suction, horizontally split, volute type
centrifugal pumps
centrifugal pumps
PCN=71569074 06-14
PCN=71569074
06-14 (E).
(E). (Based
Original instructions.
Original instructions.
These ins truct
These ins
operating
opera
® ®
LNN, LNN V a
LNN, LNN
V and
nd LNNC
(Based on
on C953KH001.)
C953KH001.)
tructions
ions mu
mus s t be
ting , us
, us ing
ing and
and ma
mainta
USER INSTRUCTIONS
USER INSTRUCTIONS
LNNC
t be rea
read prior
d prior t t o ins
o ins t t a a l l ling
intaini ini ng ng this equipment
this equipment. .
Installation
Installation
Operation
Operation
Maintena
Main
tenanc
nce e
ling , ,
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Summary of Contents for Flowserve WORTHINGTON 200LNN300
- Page 1 USER INSTRUCTIONS USER INSTRUCTIONS ® ® WORTHINGTON WORTHINGTON LNN, LNN LNN, LNN V a V and nd LNNC LNNC Installation Installation cent centri ri fug fug a a l pum l pumps ps Operation Operation Single stage, double suction, horizontally split, volute type Single stage, double suction, horizontally split, volute type Main Maintena...
- Page 2 Running the pump..................23 Stopping and shutdown Stopping and shutdown ........ ........ 25 Hydraulic, mechanical and electrical duty Hydraulic, mechanical and electrical duty..25 Page 2 of 56 Page 2 of 56 flowserve.com flowserve.com...
- Page 3 ......20 ..20 Protection systems Protection systems (4.9) (4.9) ..................20 Pump and impeller data (3.4.2) ....... 12 Pump and impeller data (3.4.2) ....... 12 Page 3 of 56 Page 3 of 56 flowserve.com flowserve.com...
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Page 4: Introduction And Safety
In addition, any and regulations. and regulations. modification of Flowserve products or removal of modification of Flowserve products or removal of original original components may impair the safety of these products in components may impair the safety of these products in... - Page 5 prevent injury to personnel and damage to the prevent injury to personnel and damage to the the written agreement of Flowserve before start up. the written agreement of Flowserve before start up. environment and environment and to equipment.
- Page 6 Pumps may be started with the valve further Where Flowserve has supplied only the bare shaft pump, open only on installations where this situation cannot the Ex rating applies only to the pump. The party occur.
- Page 7 Ex rating on the nameplate. These are based on a mixtures maximum ambient of 40 °C (104 °F); refer to Flowserve for higher ambient temperatures. ENSURE THE PUMP IS PROPERLY FILLED AND VENTED AND DOES NOT RUN DRY The surface temperature on the pump is influenced by the temperature of the liquid handled.
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Page 8: Nameplate And Safety Labels
Maintenance to avoid the hazard CORRECT MAINTENANCE IS REQUIRED TO AVOID POTENTIAL HAZARDS W HICH GIVE A RISK OF EXPLOSION The res pons ibility for compliance with maintenance ins tructions is with the plant operator. Page 8 of 56 flowserve.com... -
Page 9: Transport And Storage
Any shortage and or damage must be reported immediately to Flowserve Unit must not be moved as an and received in writing within one month of receipt of assembled unit. -
Page 10: Pump Description
LNNV horizontal suction/discharge, vertical shaft (inline) clean source. A grease lubricated ball bearing option may be fitted at the non-drive end. There is also an advanced design designated LNNA. Page 11 of 56 flowserve.com... -
Page 11: Performance And Operating Limits
500LNN775 53.3 (2.10) 500LNN775 49 (1.93) this data. If required, a definitive statement for your 500LNN775 50 (1.97) particular application can be obtained from Flowserve. 500LNN950 63.5 (2.50) 500 (19.7) 0.34 (0.013) 500LNN1000 45 (1.77) 500LNN1150 A... -
Page 12: Stopping And Shutdown
Flushing limitations recommended that they are run alternately every week. The system designer and or the end user must advise Flowserve of any chemical treatment that will 5.8 Stopping and shutdown be added to the water. Close the outlet valve, but ensure... -
Page 13: Maintenance Schedule
If in doubt please consult Before working on the pump, take measures to your nearest Flowserve office for advice and details of prevent an uncontrolled start. Put a warning board the minimum allowable margin for your application. - Page 14 Ensure equipment complies with the recommendations in this manual. 6.2.3.2 Grease lubrication c) Contact Flowserve if the problem persists. See section 5.2.2 for grease 6.2.1 Routine inspection (daily/weekly) recommendations. The following checks should be made Regrease - via grease nipples every 2 000 hours or...
- Page 15 The impeller and wear rings can now be removed b) Lever out gland ring [4131] using its grip groove. if required. c) Remove gland packing [4130] and lantern rings [4134] using a bent wire. Page 31 of 56 flowserve.com...
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Page 16: Examination Of Parts
Labyrinth seals and bearing isolators should be inspected for damage but are normally non - wearing parts and can usually be re-used. d) Bearing seals are not totally leak free devices. Oil from these may cause staining adjacent to the bearings. Page 32 of 56 flowserve.com... - Page 17 O-ring [4610.6]. The shim is laminated material with an original thickness (T) of 1.0 mm (0.039 in.) and This O-ring must be replaced at each and every dismantling. laminate thickness of 0.05 mm (0.002 in.). Page 33 of 56 flowserve.com...
- Page 18 6570.5 6569.4 3200.1 6579 6415 6570.8 6811.2 3266 Leak proofing material Casco 145 or Marston Hydrosil 100RTV silicone compound. Screw secured with Casco ML type 119 or Loctite 270. (Drawing taken from C751/011.) Page 46 of 56 flowserve.com...
- Page 19 Plug 6569.3 Plug 6569.4 Plug 6570.1 Screw 6570.2 Screw 6570.3 Screw 6570.4 Screw 6570.5 Screw 6570.6 Screw 6570.8 Screw 6570.9 Screw 6572.1 Stud 6572.2 Stud 6572.3 Stud 6575 Jack screw 6579 Socket head cap screw Page 47 of 56 flowserve.com...
- Page 20 6814.3 4610.3 2500 2540.1 3645.1 3011.2 6544.1 3200 3266 4510.1 6570.5 Note: Cartridge seal, bearing isolators and bearing labyrinth seals may also be fitted as options to the LNNV. See section 8.1.2 above for details. Page 48 of 56 flowserve.com...
- Page 21 LNN, LNNV, LNNC USE R INSTR UCTIONS ENG LIS H 71569074 06-14 Notes: Page 53 of 56 flowserve.com...
- Page 22 LNN, LNNV, LNNC USE R INSTR UCTIONS ENG LIS H 71569074 06-14 Notes: Page 54 of 56 flowserve.com...
- Page 23 LNN, LNNV, LNNC USE R INSTR UCTIONS ENG LIS H 71569074 06-14 Notes: Page 55 of 56 flowserve.com...
- Page 24 LNN, LNNV, LNNC USE R INSTR UCTIONS ENG LIS H 71569074 06-14 Flows erve reg ional s ales offices : Y our Flowserve factory contacts : USA and Canada Nominal pump discharge <= 350: Flowserve Corporation Flowserve Pumps 5215 North O’Connor Blvd.
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