Handling And Intermediate Storage; Handling; Unpacking; Intermediate Storage - Andritz SD 39 Série Instructions De Service

Series SD 39
These instructions must be read in conjunction with the
separate User's Safety Manual and the Motor Operating In-
structions.

1. Handling and intermediate storage

1.1

Handling

• Always take the weight and centre of gravity into
consideration.
• Never use the motor eye bolts when slinging as-
sembled pump sets.
Examples of correctly handling the pump, motor and set:
1.2

Unpacking

Check that the delivery is complete and undamaged. Any miss-
ing parts or damage must be confirmed by the carrier on the
original freight note and reported to us immediately.
1.3

Intermediate storage

• Seal the suction and delivery branches, using closure caps,
plugs or blank flanges.
• Store in dry, dust free conditions protected from frost or ex-
cessive heat.
• Turn the rotating assembly on the shaft or coupling a few
times every 2 weeks and leave in a different angular position.
• Long-term storage (over 3 months) preservation required.
• Long-term storage (over 2 years) renew the lubricants before
installing the pump.
1.4

Preservation

If requested, we will preserve your pumps before delivery.
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2. Description

The centrifugal pumps of the SD series are single-stage, non-
self-priming pumps. They are available in various designs and
with various impellers.
Please see the contractual documents for details of the sup-
plied design.
2.1

Designation

Type
Nominal branch diameter [mm]
Nominal impeller diameter [mm]
Impeller configuration
Mounting arrangement
For a description of mounting arrangements, see paragraph
2.2.5.
2.2

Construction

Please refer also to the sectional drawings in paragraph 7.4.
2.2.1
The pump casing is fitted with each one wearing ring on suction
and discharge side. Due to the process design, the casing re-
mains in the pipework when the shaft and impeller are disas-
sembled.
2.2.2
Proper handling
Multi-channel "T"-type impeller (.T)
Two-channel impeller (.Z)
Multi-channel impeller (.M)
Improper handling
2.2.3
Shaft and bearings are rated for continuous, heavy-duty opera-
tion. See section 7.4 for special designs with reinforced bear-
ings.
2.2.4
The fitted shaft sealing arrangements are described in detail in
the contract documentation.
Packed gland must be used when pumping gaseous media. If
a mechanical seal is used, make sure that the seal housing is
permanently vented.
Pump casing
Impeller forms
For liquids containing coarse solids, stringy or mat-
ting materials. Quiet operation and stable, evenly
descending Q/H curves.
For sludges and suspensions of solids without
stringy materials or gases. Quiet operation from sy-
metrical design.
For pumping slightly polluted and sludgy liquids,
without stringy materials or gases, also for sludge up
to 3% dry substance. Quiet operation and good effi-
ciencies.
Shaft and bearings
Shaft sealing
SD 400-460.T / E
Example