Discharge piping checklist – Goulds Pumps CV 3196 i-FRAME - IOM User Manual

Page 39

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Example: Elbow close to the pump suction inlet

Correct

Incorrect

The correct distance between the inlet flange of the pump and

the closest elbow must be at least five pipe diameters.

1

2

1.

Enough distance to prevent cavitation

2.

Eccentric reducer with a level top

Example: Suction piping equipment

Correct

Incorrect

1

2

3

4

5

1.

Suction pipe sloping upwards from liquid source

2.

Long-radius elbow

3.

Strainer

4.

Foot valve

5.

Eccentric reducer with a level top

1

1.

Air pocket, because the eccentric reducer is not
used and because the suction piping does not
slope gradually upward from the liquid source

Discharge piping checklist

Checklist

Check

Explanation/comment

Checked

Check that an isolation valve is

installed in the discharge line.

The isolation valve is required for:
• Priming
• Regulation of flow
• Inspection and maintenance of the pump
See Example: Discharge piping equipment for

illustrations.

Installation

Model CV 3196 i-FRAME Installation, Operation, and Maintenance Manual

37

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