Discharge Piping Checklist - ITT HT 3196 i-FRAME Installation, Operation And Maintenance Manual

Installation
Example: Elbow close to the pump suction inlet
Correct
The correct distance between the inlet flange of the pump and
the closest elbow must be at least five pipe diameters.
1.
2.
Example: Suction piping equipment
Correct
1.
2.
3.
4.
5.

Discharge piping checklist

Checklist
Check
Check that an isolation valve is
installed in the discharge line.
38
1
2
Enough distance to prevent cavitation
Eccentric reducer with a level top
1
5
4
Suction pipe sloping upwards from liquid source
Long-radius elbow
Strainer
Foot valve
Eccentric reducer with a level top
Model HT 3196 i-FRAME Installation, Operation, and Maintenance Manual
Incorrect
2
3
1. Air pocket, because the eccentric reducer is not
used and because the suction piping does not
slope gradually upward from the liquid source
Explanation/comment
The isolation valve is required for:
• Priming
• Regulation of flow
• Inspection and maintenance of the pump
See Example: Discharge piping equipment for
illustrations.
Incorrect
1
Checked