Vogt NM Series Manuel utilisateur
2
Introduction
Introduction
This manual deals with the installation, operation and maintenance of VOGT
Monoblock NM series centrifugal pumps.
The operation of a centrifugal pump, chosen in accordance with all the technical
background, can deliver for various causes, a poor service. This is generally due to
poor installation and/or operation of the pumping equipment.
Efficient service is only achieved by installing and operating the pumping equipment
correctly, therefore, the instructions in this manual must be fully complied with.
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 the most important features of the equipment purchased.
The design, materials and workmanship incorporated in the construction of VOGT pumps allow for a long, trouble-free
service life. The life and satisfactory 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 was ordered.
For any questions or additional information concerning the installation, operation or maintenance of the pumping
equipment, contact qualified technical personnel by calling the head office or any authorized distributor.
VOGT S.A. reserves the right to make changes in design, dimensions, etc., at any time without notice and without
incurring any obligation.
The contents of this publication are based on the latest product information at the time of going to press.
No part of this publication may be reproduced without written permission from VOGT S.A.
This manual should be considered a permanent part of the pump and should remain with the pump if it is sold or moved.
3
Safety
Instructions
Indicates a procedure, operation, etc., with a strong possibility of severe personal injury, loss of life or irreparable
damage to equipment, if not performed properly.
Indicates a procedure, operation, etc., with a strong possibility of severe damage to the pumping equipment, if not
performed properly.
THE CONTENTS OF THIS MANUAL MUST BE READ AND UNDERSTOOD BEFORE INSTALLING AND OPERATING THE
PUMPING EQUIPMENT.
CAREFULLY READ AND UNDERSTAND THE MOTOR MANUAL, ATTACHED TO THIS MATERIAL, PROVIDED BY THE
MOTOR MANUFACTURER, BEFORE OPERATING THE PUMPING EQUIPMENT.
•Learn how to stop the pumping equipment quickly and understand the operation of all controls. Do not allow
pumping equipment to be used without proper instructions.
•Never place your hands, feet or any part of your body near rotating or moving parts.
•Never 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 the place where the pump operates, let alone touch it, because
they could be injured by touching the equipment activated by the motor.
•Never place flammable items such as fuel, matches, etc., near the pump while it is running.
•Never place objects or items of any kind on the motor or pump, as this may create a fire hazard.
•Always maintain good cooling air circulation if the pump is to be operated in a small room.
!CAUTION
NOTE
!WARNING
!WARNING
2.1 Definitions
Provides useful information regarding a procedure, operation, etc., that facilitates the correct use of the pumping
equipment.
2.2 General Safety Considerations
Safety Instructions
4
Safety
Instructions
Safety Instructions
2.3 Qualification and Training of Operating Personnel
Personnel responsible for operation, maintenance, inspection and assembly must be suitably qualified and authorized.
The scope of responsibility and supervision of the personnel must be exactly defined by the plant operator. The plant
operator must ensure that the operating instructions are fully understood by the personnel.
2.4 Risks due to non-compliance with Safety Instructions
VOGT S.A. declines all responsibility that may arise from not respecting the safety standards in force at any time, during
the handling, installation or operation of its equipment.
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 necessary to:
•The instructions in this manual have been correctly followed.
•The equipment is disassembled only by authorized personnel of our Technical Assistance Services or
directly by our factory personnel.
Any modification of the equipment must be previously consulted with VOGT S.A. For safety reasons, spare parts and
accessories authorized by VOGT S.A. must be used. The use of non-original spare parts exempts VOGT S.A. from any
responsibility.
Equipment
Description
Equipment Description
- 10 -
Figure 1
3.1 Pumping Equipment,
Main Components
1. Discharge Flange
2. Water Cutting Rubber
3. Monoblock Shaft Clamp
4. Motor Lifting Eyebolt
5. Electric Motor
6. Motor Terminal Box
7. Pumping Equipment Base
8. Union Body
9. Pump Body
10.Suction Flange
11.Pressure Gauge Plug
12.Priming Plug
13.Plug for Hand Vacuum Gauge
14.Drain plug
5
3.2 Identification Plate
The operation of a centrifugal pump, chosen in accordance with all the technical background, can give poor service for
various reasons. 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 the most important features of the equipment
purchased:
1. Height (mca)
2. Electric Motor
3. Pump Series
4. Pump Model
5. Wet End Pump Material
6. Pump Type of Execution
7. Sealing Type
8. Nominal Impeller Ø
9. Motor Cover Standard
10.Impeller Ø
11.Flow rate (m³/h)
12.Pump Serial No.
Figure 2
6
Equipment
Description
Figure 3
Equipment Description
3.3 NM Series Centrifugal Pump
3.3.1 NM Series Sectional Cutting
3.3.2 Description of NM Series Pump Parts and Pieces
Impeller
Pump Body
Union Body
Postizo Shaft
Impeller Key
Monoresorte Mechanical Seal
O'Ring Pump Body / Union Body
Clamp Shaft
Pump Body Bolt / Union Body
Union Body Bolt / Motor
Clamp bolt
Shaft Nut
Priming plug
Drain plug
Pressure Tap Plug
Golilla Water Cutter
Electric Motor
C-Din Flange Cover
FF Flange Cover
1
2
3
7T
10.01
11
19.01
23
25.01
25.13
25.22
28.01
30.01
30.02
30.09
38
100.01
101.01
101.02
NUM. DENOMINATION
7
Transportation,
Storage and
Handling
Transportation, Storage and Handling
!WARNING
4.2 Factory Packaging and Protections
After the painting phase, VOGT S.A. performs the following:
•All openings are sealed by means of plastic parts, or plasticized adhesives.
•The NM Series pumps are delivered in packaging consisting of a fully enclosed cardboard box mounted on a wooden
pallet. In all cases, the equipment is firmly secured to prevent movement during transport and handling.
CAUTION
4.3.1 Before Storage !
Figure 4
•Storage should be in a place protected from the outside, away from shocks, solar radiation, dust, humidity and
flooding.
•The pumping equipment should not be stacked on top of each other, even if the type of packaging makes this possible.
•The pump and auxiliary lines should be kept clear of the pumping fluid.
•It is recommended to coat the unpainted parts of the pump with a protective material (such as petroleum jelly or
similar).
•Apply from the suction inlet oil or some anti-rust liquid in the wear ring areas, to avoid seizure.
•The electric motor shall be disconnected and the connection cables shall be removed and the terminal box shall be
closed with its cover.
•The electric boards shall remain in vertical position and disconnected.
The pump and its components are heavy. Improper handling during handling and hoisting could cause serious personal
injury and/or equipment damage.
4.1 Transportation and Handling
The transport and handling of the equipment must be carried out with means suitable for the weight to be supported; the weight
is generally indicated on the delivery note, if this is not the case and there is no certainty of being able to handle the equipment,
please contact VOGT S.A. to indicate the same. For the handling, the equipments that require it have appropriate eyebolts on the
bench. However, remember that the equipment must never be lifted by means of the eyebolts of each one of its elements, e.g.,
engine and pump eyebolts, which are exclusive for their independent transport. Neither should the flanges of pumps and pipes
be used, nor should connecting elements, e.g. couplings. In any case, if the equipment is to be lifted by means of slings, these
must pass under the pump and motor bodies.
These protections are exclusively for transport and at most for short term storage. In any case, the following storage
instructions must be followed.
4.3 Storage Instructions
These instructions are for storage less than 12 months from the date of shipment. If longer, please request instructions
for long term storage.
8
Transportation,
Storage and
Handling
Transportation, Storage and Handling
4.3.2 After Storage
•Remove the temporary protections and visually check the condition of all the elements.
•If the pump has been stored and/or stopped for a long period of time (more than 6 months), it is necessary to renew
the lubrication of the motor 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.
•Review and apply the short-term storage instructions specified in the manuals for the motor and other items used.
•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 is necessary to drain the
pump completely to avoid its deterioration due to the possible freezing of the contained fluid.
9
Installation
Installation
!WARNING
•Pumps should always be installed in dry and clean locations. If the place of installation is humid, wet or with particles in
suspension, the appropriate motor should be selected for these conditions.
•When installing the pumping equipment, it should be protected from solar radiation, since this has a direct and negative
impact on the operation and useful life of the equipment, since it significantly increases the temperature and accelerates
the aging of paints and external surface finishes. Therefore, for equipment that is not installed in pump rooms or
similar, the installation of awnings or protective roofs should be considered.
•Sufficient space should always be left for disassembly and maintenance of the pump unit. In normal installations,
pumps should be located close to the source of supply of the fluid to be pumped.
•Install the equipment well leveled and if possible on a solid concrete base with anchor bolts, to avoid vibrations and
displacements.
•The design of 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 by VOGT S.A. and to ensure correct operation.
5.3 Mounting Positions
The NM series pumps can be mounted as shown in Figure 5, i.e. horizontal, vertical with the motor on top and inclined with the
motor on top of the pump. They should never be mounted vertical with the motor down or inclined with the motor down.
THE PUMP AND ITS COMPONENTS ARE HEAVY. IMPROPER HANDLING DURING HANDLING AND HOISTING
COULD CAUSE SERIOUS PERSONAL INJURY, LOSS OF LIFE AND/OR DAMAGE TO EQUIPMENT.
5.1 Checking the Pump on Arrival
Check upon arrival that the pump and accessories have not been damaged or lost in transit. If so, immediately report the
damaged or missing parts to VOGT S.A., to the authorized distributor or to the company that carried out the transport.
VOGT S.A. provides its Monoblock series pumping equipment, whose bases are designed to be placed on the foundation and
anchored with bolts, as indicated later in this manual. The possibility of grouting the carbon steel bases to the foundation is
at the customer's discretion.
5.2 General Rules for Locating Pumps
If the pump is to be used mounted, vertical or inclined, it must be ensured that it was specifically ordered for that application,
as it must have a vent valve to remove air from inside the pump.
NOTE
Figure 5
10
Installation
5.4 Foundations
Most pumps give more satisfactory service when a rigid foundation is used. Foundations are usually made of concrete,
but can also be made of structural steel, in either case they must be sturdy and non-vibrating.
If the foundation surface is concrete, it must be set horizontal and flat before the pumping equipment is placed. The
space required for a pumping unit and the placement of anchor bolts are defined by the drawings supplied by the
manufacturer.
The unit can be supported on a generously dimensioned foundation. This foundation must be completely flat, smooth
and level. The unit must be fastened to this foundation by means of suitable anchor bolts to avoid possible vibrations
due to operation.
5.5 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 7 and applying the tightening torque according to table N° 2.
Once the process is completed, it is advisable to mount a locknut on the bolt nuts to prevent them from loosening
during operation of the equipment.
5.6 Joints to Rigid Pipe System
For optimum operation of the motor-pump equipment, the piping should not exert stresses on it. The equipment can be
deformed, broken or misaligned when the piping is not aligned with the suction and discharge axes of the pump. The
position of the flanges must be totally parallel, with their concentric axes, in order to minimize stresses in the pump necks
that deform the pump or produce a misalignment of axes. The bolts or studs must be able to pass loosely through the
holes in the flanges. Do not forget to place gaskets between the joints.
Do not use the pump as a fixing point for the installation. The suction and delivery pipes must not produce stresses on the
pump flanges that could exceed their maximum values. The pipes must be fixed to the walls or floors of the pump room in
such a way that the pump is not subjected to their weight, see figure 7.
!CAUTION
Figure6
SAFETY LOCKNUT
FIXING NUT
CONCRETE
FOUNDATION
Table 2: Anchor Bolt Tightening Torque
Base Carbon Steel
Ø Nominal Bolt Tightening torque
(Inch)(Nm)
5 / 8 130
3 / 4 200
7 / 8 300
1400
CUT AA
BASE EQUIPMENT
MONOBLOCK
FOUNDATION
ANCHOR BOLT
Installation
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