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SPECIFICATIONS                                                                           

1.

1                                                                                                  

2. INSTALLATION                            

2                                                                                                

ELECTRICAL CONNECTIONS

3.

3                                                                                               

OPERATION

4.

4                                                                                   

TROUBLE SHOOTING                

5.

5                                                                         

INDEX

© Davis & Shirtliff Ltd 2023
Contents herein are not warranted

TERMS OF WARRANTY              

6.

7                                                                             

Summary of Contents for DFP

Page 1: ...DFP Sanitary Pump Installation Operating Manual...

Page 2: ......

Page 3: ...SPECIFICATIONS 1 1 2 INSTALLATION 2 ELECTRICAL CONNECTIONS 3 3 OPERATION 4 4 TROUBLE SHOOTING 5 5 INDEX Davis Shirtliff Ltd 2023 Contents herein are not warranted TERMS OF WARRANTY 6 7...

Page 4: ...ater treating systems pharmaceutical food and refining chemical industries The design features optimised hydraulics for high efficiency and polished internal finishes to prevent fouling by bacteria an...

Page 5: ...ight The diameter must be 1 5 to 2 times the diameter of the pump s suction flange The inlet cone must be eccentric when the pump works under depression If it works under load this cone may be concent...

Page 6: ...n negative suction it should have a suitable foot valve placed at required depth to prevent air intake The delivery piping must Be properly sealed Have proper dimensions to avoid excessive head losses...

Page 7: ...s the fluid should overflow the system to ensure that all the air has been vented Make sure that the direction of rotation coincides with the direction of the arrow located on the pump body Centrifuga...

Page 8: ...el Change the pump for another with less NPHSr Reduce leaks in the suction piping Air getting into suction pipe Test pressure the suction pipeline including the pump and observe any liquid leak Insuff...

Page 9: ...nsumption Test pressure the suction pipeline including the pump and observe any liquid leak Air trapped in the suction line The pump vibrates Change the impeller clean the impeller Impeller imbalanced...

Page 10: ...f careless handling lack of maintenance faulty installation incompetence on the part of the equipment user Acts of God or any other cause beyond the Distributors reasonable control Also any repair or...

Page 11: ......

Page 12: ...INS528A 03 23...

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