Xylem e-NSCS: 2 Transportation and Storage

2 Transportation and Storage: Xylem e-NSCS

en - Translation of the original instructions

MONTECCHIO MAGGIORE,

Unit without motor

XX.04.2014

WARNING:

AMEDEO VALENTE

A pump and motor that are purchased separately and then

(DIRECTOR OF ENGINEERING AND R&D)

coupled together results in a new machine under the Machi-

rev.01

nery directive 2006/42/EC. The person making the coupling

is responsible for all safety aspects of the combined unit.

Lowara is a trademark of Xylem Service Italia S.R.L., subsidiary of Xy-

2.3 Storage guidelines

lem Inc.

Storage location

The product must be stored in a covered and dry location free from

2 Transportation and Storage

heat, dirt, and vibrations.

2.1 Inspect the delivery

NOTICE:

Protect the product against humidity, heat sources, and mechani-

1. Check the outside of the package for evident signs of damage.

cal damage.

2. Notify our distributor within eight days of the delivery date, if the

Do not place heavy weights on the packed product.

product bears visible signs of damage.

Unpack the unit

2.3.1 Long-term storage

1. Follow applicable step:

If the unit is stored for more than 6 months, these requirements apply:

If the unit is packed in a carton, then remove the staples and

Store in a covered and dry location.

open the carton.

Store the unit free from heat, dirt, and vibrations.

If the unit is packed in a wooden crate, then open the cover

Rotate the pump shaft by hand several times at least every three

while paying attention to the nails and straps.

months.

Treat bearings and machined surfaces so that they are well preserved.

2. Remove the securing screws or the straps from the wooden base.

Refer to the drive unit and coupling manufacturers for their long-term

2.1.1 Inspect the unit

storage procedures.

For questions about possible long-term storage treatment services,

1. Remove packing materials from the product.

please contact your local sales and service representative.

Dispose of all packing materials in accordance with local regula-

tions.

Ambient temperature

2. Inspect the product to determine if any parts have been damaged

The product must be stored at an ambient temperature from -5°C to

or are missing.

+40°C (23°F to 104°F).

3. If applicable, unfasten the product by removing any screws, bolts,

or straps.

For your personal safety, be careful when you handle nails and

3 Product Description

straps.

4. Contact the local sales representative if there is any issue.

3.1 Pump design

The pump is a horizontal single stage pump with volute casing close

2.2 Transportation guidelines

coupled to standard electric motors. The pump can be used for han-

dling:

Precautions

Cold or warm water

WARNING:

Clean liquids

Aggressive liquids which are not chemically and mechanically ag-

Observe accident prevention regulations in force.

gressive to the pump materials.

Crush hazard. The unit and the components can be

heavy. Use proper lifting methods and wear steel-toed

The product can be supplied as a pump unit (pump and electric motor)

shoes at all times.

or only as a pump.

Check the gross weight that is indicated on the package in order to se-

NOTICE:

lect proper lifting equipment.

If you have purchased a pump without motor, make sure that the motor

is suitable for coupling to the pump.

Position and fastening

The pump or pump unit can be transported only horizontally. Make

Intended use

sure that the pump or pump unit is securely fastened during transpor-

The pump is suitable for:

tation and cannot roll or fall over.

Water supply and water treatment

WARNING:

Cooling and hot water supply in industries and building services

Do not use eyebolts screwed on the motor for handling the

Filter systems, and so on.

whole electric pump unit.

Irrigation and sprinkler systems

Drainage systems

Do not use the shaft end of the pump or of the motor to han-

Heating systems

dle the pump, the motor or the unit.

Condensate transportation

Eyebolts screwed onto the motor may be exclusively used to han-

Additional uses for optional material:

dle the individual motor or, in case of a not balanced distribution

District heating

of weights, to partially lift the unit vertically starting from a horizon-

General industry

tal displacement.

Food and beverage industry

Pump unit must always be fixed and transported as shown in Figure 4 ,

and the pump without motor must be fixed and transported as shown

Improper use

in Figure 5 .

WARNING:

Remove cover plates 681 from drive lantern 341 and cross the

lifting tackles. To transport the pump/pump set suspend it from the

Improper use of the pump may create dangerous conditions

lifting tackle as shown.

and cause personal injury and damage to property.

An improper use of the product leads to the loss of the warranty.

Examples of improper use:

e-nscs Installation, Operation, and Maintenance Manual 13

en - Translation of the original instructions

Liquids not compatible with the pump construction materials

Standard/

Material

Material

EN733

Extension

Hazardous liquids (such as toxic, explosive, flammable, or corro-

Optional

code

casing/

range

range

sive liquids)

impeller

32–125 to

200–250,

Potable liquids other than water (for example, wine or milk)

150-400

200–315,

Examples of improper installation:

250–315

Hazardous locations (such as explosive, or corrosive atmos-

Standard CC Cast iron /

X

pheres).

Cast Iron

Location where the air temperature is very high or there is poor

ventilation.

Standard CB Cast Iron /

X

Outdoor installations where there is no protection against rain or

Bronze

freezing temperatures.

Standard CN Cast Iron /

X

DANGER:

Stainless

Do not use this pump to handle flammable and/or explosive

Steel

liquids.

Standard DC Ductil Iron /

X

Cast Iron

NOTICE:

Standard DB Ductil Iron /

X

Do not use this pump to handle liquids containing abrasive, solid,

Bronze

or fibrous substances.

Do not use the pump for flow rates beyond the specified flow

Standard DN Ductil Iron /

X

rates on the data plate.

Stainless

Steel

Special applications

Standard NN Stainless

X

Contact the local sales and service representative in the following cas-

Steel / Stain-

es:

less Steel

If the density and/or viscosity value of the pumped liquid exceeds

Optional RR Duplex / Du-

X X

the value of water, such as water with glycol; as it may require a

plex

more powerful motor.

If the pumped liquid is chemically treated (for example softened,

deionized, demineralized etc.).

3.6 Mechanical seal

Any situation that is different from the ones that is described and

Unbalanced single mechanical seal acc. EN 12756, version K Dimen-

relate to the nature of the liquid.

sions. See Table 10 .

3.2 Pump description

3.7 Application limits

See Figure 6 for an explanation of the description code for the pump

and one example.

Maximum working pressure

This flow chart shows the maximum working pressure depending on

3.3 Nameplate

the pump model and the temperature of the pumped liquid.

The nameplate is a metal label that is located on the bearing bracket.

The name plate lists key product specifications. For more information,

see Figure 7

The nameplate provides information regarding the impeller and casing

material, the mechanical seal and their materials. For more informa-

tion, see Figure 8 .

IMQ or TUV or IRAM or other marks (for electric pump only)

Unless otherwise specified, for products with a mark of electrical-relat-

ed safety approval, the approval refers exclusively to the electrical

pump.

3.4 Design structure

Dimensions according EN 733 and additional not standardized

extension sizes

Volute casing pump with back pull out power end

Single stage

P

1max

+ P

max

≤ PN

For horizontal assembly

P

1max

Maximum inlet pressure

Part

Description

P

max

Maximum pressure generated by the pump

Casing Radial split volute casing with radial discharge

PN Maximum operating pressure

Replaceable wear ring

Liquid temperature intervals

Impeller Closed radial impeller with wear rings on both

sides

Version

Gasket Minimum Maximum

Shaft seal Single mechanical seal acc. EN 12756

Standard EPDM -20°C (-4°F) 140°C (284°F)

Optional cartridge mechanical seal

Optional FPM (FKM) -10°C (14°F) 90°C (194°F)

Bearings Radial ball bearings of motor

Grease lubrication

For special requirements, contact the Sales and Service Department.

See the sectional drawing Figure 9 .

Maximum number of starts per hour

3.5 Material

kW

0.25 -

4.00 -

11 - 22 30 - 37 45 - 75 90 – 160

The metallic parts of the pump that come in contact with water are

3.00

7.50

made of the following:

Starts

60 40 25 16 8 4

per hour

Noise level

See the measuring surface sound pressure levels L

pA

in Table 11 .

14 e-nscs Installation, Operation, and Maintenance Manual