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6

Equipment 

Description

 

Figure 3, Sectional Model 610

Equipment 

Description

3.3 

N  Series  Centrifugal  Pump 

3.3.1 

N Series Sectional Cutting

28.01

10.01

7T

11

30.02

1

30.09

30.01

25.01

25.02 9.01

9.02

5.02

10.02

25.03

25.04

6.01

5.01

25.03

23

38

3

19.01

7

29.03

29.02

4

25.22

30.09

2

Figure 4, Sectional Models 620 - 621 - 626 - 626B - 627B - 628B - 629 - 629B - 630 - 630B  631 - 

635 - 635B - 638 - 640 - 640B - 641 - 644 - 650V2 - 660V2 - 665 - 668

28.01

10.01

11

30.02

1

30.09

30.01

5.01

9.01

9.02

25.03

10.02

5.02

25.04

6.01

25.01 3 38 25.03 25.02

19.01

7

29.03

29.02

4

30.09

2

Содержание N Series

Страница 1: ......

Страница 2: ...ctory performance of the VOGT pumping equipment in any case depend on a correct application installation and in addition of a periodic inspection and careful maintenance VOGT S A will not be responsible for physical injury damage or other inconveniences caused by improper installation operation or maintenance The warranty is only valid when the equipment is used for the application for which it wa...

Страница 3: ...operate the pumping equipment if it is missing any protection from rotating parts Always keep the pump at least one meter away from building walls or other equipment during operation to prevent fire and to provide adequate ventilation Always perform inspection before starting the pump In this way you can avoid an accident or damage to the equipment Children and domestic animals should not go near ...

Страница 4: ...ent The working conditions indicated in the order cannot be modified Should this occur VOGT S A must be informed Improper use outside the working conditions or assembly disassembly by untrained personnel may result in risks to life the pump and other accessories in use or normal operation of the equipment In order to benefit during the warranty period from the Guarantee offered by VOGT S A it is n...

Страница 5: ...sons This is generally due to improper installation or mishandling of the pumping equipment Efficient service can only be achieved by installing the pump correctly therefore the instructions in this manual must be complied with in their entirety Pumps should not be used for purposes other than the service conditions stipulated at the time of purchase The nameplate installed on the pump describes t...

Страница 6: ...09 30 01 25 01 25 02 9 01 9 02 5 02 10 02 25 03 25 04 6 01 5 01 25 03 23 38 3 19 01 7 29 03 29 02 4 25 22 30 09 2 Figure 4 Sectional Models 620 621 626 626B 627B 628B 629 629B 630 630B 631 635 635B 638 640 640B 641 644 650V2 660V2 665 668 28 01 10 01 11 30 02 1 30 09 30 01 5 01 9 01 9 02 25 03 10 02 5 02 25 04 6 01 25 01 3 38 25 03 25 02 19 01 7 29 03 29 02 4 30 09 2 ...

Страница 7: ...nal Models 670 28 01 10 01 19 03 11 30 02 1 30 09 30 01 25 03 25 03 25 06 29 02 29 03 9 01 9 02 5 02 10 02 17 02 25 04 6 01 5 01 25 02 25 07 3 19 02 38 4 7 30 09 2 28 01 10 01 19 01 11 30 02 1 30 09 30 01 25 01 25 03 25 03 21 03 29 02 29 03 19 07 9 01 9 02 5 02 10 02 21 03 25 03 19 07 25 04 6 01 3 5 01 25 02 30 08 38 30 07 4 7 30 09 2 ...

Страница 8: ...nion Body Bolt Bearing Body Cover Bolt Body Bearing Support Leg Bolt Body Bearing Ring Bolt Pump Body Union Body Bolt Ring Clamp bolt Shaft Nut Pressure Grommet Bolt Leg Support C R Flat Bolt Leg Support C R Priming plug Drain plug Vent plug Bearing Body Drain plug Body Bearing Pressure Tap Plug Oil Level Maintainer Golilla Water Cutter 1 2 3 4 5 01 5 02 6 01 7 7T 9 01 9 02 10 01 10 02 11 17 02 19...

Страница 9: ...9 Equipment Description Equipment Description 3 3 3 N Series Pump Dimensions Figure 7 ...

Страница 10: ...10 Equipment Description Equipment Description 3 3 3 N Series Pump Dimensions Table Nº 2 Dimensions in Millimeters Mod el s Flanges Pumps Legs Axis Seal Bearings ...

Страница 11: ... or plasticized adhesives Depending on the type of packaging contracted they are either placed on a wooden pallet and covered with heat weldable plastic or placed in a cage type wooden box or totally closed In all cases the equipment is firmly secured to prevent movement during transport and handling These protections are exclusively for transport and at the most a storage for a short period of ti...

Страница 12: ...or bearings as indicated in the motor manual After a short storage period it is sufficient to manually rotate the pump shaft to unlock the rotor assembly Carry out the instructions for after short storage specific to the motor and other manuals Observe the other steps listed in the Start up section If the equipment is going to be stopped for a certain period of time and there is danger of frost it...

Страница 13: ...f piping systems anchorages and other areas of the installation is not the responsibility of VOGT S A VOGT S A only offers the data and comments as an aid but cannot assume responsibility for the design assembly and operation of an installation It is recommended that the client consult a specialist in the design of foundations piping wells etc to complement and interpret the information provided b...

Страница 14: ...ely flat smooth and level The unit shall be fastened to this foundation by means of suitable anchor bolts to avoid possible vibrations due to operation 5 4 Anchor Bolts VOGT S A supplies the pumping equipment with bases these must be anchored to the foundation by means of anchor bolts as shown in figure 9 and applying the tightening torque according to table N 3 Once the process has been completed...

Страница 15: ... be deformed broken or misaligned when the piping is not aligned with the axes corresponding to the suction and discharge of the pump The position of the suction and discharge ports must be totally parallel and with their axes concentric to the pipes in order to minimize stresses in the pump necks that deform it or produce a misalignment of the axes Do not forget to place gaskets between the joint...

Страница 16: ...of the motor as well as to isolate the pump during maintenance To prevent fluid backflow from the delivery line it is recommended that a check valve be placed in the delivery line between the pump and the control valve If the pump is in negative suction the suction pipe must be absolutely stagnant and always rising towards the pump with diameter generally larger than the suction port of the pump T...

Страница 17: ...nd concentricity using calibrated laims in the motor Angular Misalignment Parallel Misalignment Figure 16 Installation 5 6 Expansion Joint Dimensional changes in piping and equipment caused by variations in the working temperature of the piping system and the pump either by the temperature of the pumped fluid or by exposure to changing environmental conditions result in large magnitude stresses an...

Страница 18: ...n system The procedure is as follows 6 2 Pump Priming 6 3 Minimum Flow Rate It must be taken into account that there is a minimum flow rate at which the pump must work which is given by the temperature of the pumped fluid according to the following table 0 T 50 ºC 20 of the maximum efficiency point flow rate 50 T 80 ºC 30 of the maximum efficiency point flow rate 6 4 Pumped Fluid Density The power...

Страница 19: ... correct when it coincides with the direction indicated by the arrow cast on the pump casing counterclockwise when looking at the motor facing the shaft see section 6 5 2 Checking the Direction of Rotation Start up 6 5 Engine Considerations CAUTION 6 5 1 Instructions for the Connection of Three Phase Electric Motors To make a delta connection the bridges are placed in the electric motor box connec...

Страница 20: ...e pump If the motor pump tends to rotate in the opposite direction to that indicated by the arrow reverse the position of any two power cables and you will obtain the correct direction of rotation 6 6 Other General Operating Considerations DO NOT throttle the suction of the pump throttling the suction of a centrifugal pump causes a reduction of the absolute pressure at the impeller inlet This is v...

Страница 21: ...ed o Verify the direction of rotation of the pump o Verify that there are no loose parts and or lubricant residues near the motor and its moving parts 6 7 1 4 System Considerations o Verify the correct installation of the piping system o Verify that the valves are open 6 7 2 After Start up 6 7 2 1 Pump Considerations o Check suction and discharge pressure o Check flow rate o Monitor bearing temper...

Страница 22: ...of the pumping equipment and even personal injury N series centrifugal pumps have two types of lubrication for their bearings grease lubrication and oil lubrication For a bearing to operate reliably it is essential that it is adequately lubricated in order to avoid direct metallic contact between the rotating elements raceways and cages also avoiding wear and protecting the bearing surfaces agains...

Страница 23: ...er to fluidize the oil Loosen the upper vent plug and the lower drain plug Drain the oil from the support and let it drain Replace the lower plug and proceed with the filling as indicated in the previous section After some time of operation the oil level in the reservoir should be checked The reservoir should always contain oil and the oil should be replenished through the oil level maintainer 7 3...

Страница 24: ...910 Mono Spring No Balanced Tungsten Coal EPR EPR AISI 304 AISI 316 AISI 316 Stationary Ring Contact Face Secondary Seal Cup Type Seat Spring Chassis Stationary Ring Holder A B C D E F G Basic Alternative Table Nº 4 Figure 20 7 7 Rules for Assembly and Disassembly Before proceeding with disassembly make sure that The motor cannot be driven accidentally so it should be disconnected from the mains e...

Страница 25: ...mass 7 7 2 Mounting 1 Assemble the torpedo i e assembly shaft impeller union body bearing body core mass if it has been disassembled and tighten the fixing nuts of the pump body union body 2 Couple the pump to the motor as indicated 2 1 COUPLING WITH SPACER Mount the core masses pump and motor if they have been removed and fix them with the screws 2 2 COUPLING WITHOUT SPACER Mount the core masses ...

Страница 26: ...ipe partially closed valve foreign bodies 4 The impeller ducts are partially clogged Check and release obstruction 5 Air enters the suction pipe Check and repair damaged ducts and defective joints 6 Damaged internal mechanical adjustments of the pump Consider a pump repair 7 The foot valve or pipe is not sufficiently submerged Check and submerge as necessary Check and replace all pump sealing part...

Страница 27: ...epair damaged ducts and defective joints 3 The suction lift is too high insufficient NPSH Check that NPSHavailable NPSHrequired Check suction geometric head Check head losses in the suction pipe partially closed valve foreign bodies 4 The impeller is partially clogged causing unbalance Check and clear blockages Check bearings for damage 5 There are mechanical problems such as bent shaft seized par...

Страница 28: ...vice is the only one authorized to intervene in equipment within the warranty period If the pump does not work properly DO NOT disassemble it look for the fault in the installation All VOGT equipment has been satisfactorily tested at the factory The details of the pumping equipment warranty such as conditions of validity equipment identification and terms of coverage are specified and detailed in ...

Страница 29: ... Hydraulic analyses and installations Reverse engineering Retrieval and manufacturing of centrifuge pump components Casting and manufacturing of parts in different metalworking facilities ln Site Repairs Assessment and diagnosis Modifications and improvements of rotary equipment Pump Assembly Field Assistance operation control and in site installations per man hours Multi Equipment Post Sale Servi...

Страница 30: ...y located in strategic areas Each one of them is equipped with a multidisciplinary work team trained to propose efficient solutions to the real needs of our clients and to be attentive to solve in an agile way the imponderables that the industrial processes present At present we have an Industry 4 0 plan with solutions focused on two key pillars which are energy efficiency and displacement of foss...

Страница 31: ...Salado 0851 Quilicura vogt vogt cl LATAM COMMERCIAL OFFICE 54 9 3874 58 1822 argentina vogt cl COMMERCIAL OFFICE IQUIQUE 56 55 245 6600 56 9 6229 4764 iquique vogt cl COPIAPÓ BRANCH 56 52 2210 954 Panamericana Norte 3604 Local 3 Bodega 3 copiapo vogt cl SOUTH AREA BRANCH 56 65 2438 761 Achao 618 puerto montt vogt cl ...

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