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The Gorman‑Rup
The Gorman‑Rup

The Gorman‑Rup Self-Priming Centrifugal Pump 12B20-B

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The Gorman‑Rup Self-Priming Centrifugal Pump 12B20-B

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The Gorman‑Rup Self-Priming Centrifugal Pump 12B20-B

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Manual for The Gorman‑Rup Self-Priming Centrifugal Pump 12B20-B

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The Gorman‑Rup Self-Priming Centrifugal Pump 12B20-B

The Gorman‑Rup Self-Priming Centrifugal Pump 12B20-B

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Maintenance Plans for The Gorman‑Rup Self-Priming Centrifugal Pump Model 12B20-B

Integrate maintenance plans directly into your work orders in MaintainX.

Pump Disassembly

Check mark

Preparation

Check mark

Disconnect the power source

Check mark

Close all connecting valves

Check mark

Drain the Pump

Check mark

Remove the volute drain plug (32) to drain the pump

Check mark

Remove the Cover

Check mark

Loosen the cover clamp screw (38)

Check mark

Release the cover clamp bar (39)

Check mark

Remove the cover (37)

Run this procedureArrow right

Seal Disassembly

Check mark

Seal Drain Plug Removal and Reinstallation

Check mark

Remove the seal drain plug (14) to drain the seal cavity

Check mark

Clean the seal drain plug

Check mark

Reinstall the seal drain plug

Check mark

Seal Components Removal

Check mark

Remove the seal spring seat (5)

Check mark

Remove the rotating and stationary seal elements

Check mark

Remove the shaft sleeve (12)

Check mark

Use a stiff wire with a hooked end if necessary

Run this procedureArrow right

Parts for The Gorman‑Rup Self-Priming Centrifugal Pump 12B20-B

Access the parts list for your equipment in MaintainX.

Part Name
Part Number

Volute Casing

8614

Impeller

8615

Seal Assembly

13294

Impeller Shim Set

2.Y

Seal Spring Seat

4023

Volute Casing

8614

Impeller

8615

Seal Assembly

13294

Impeller Shim Set

2.Y

Seal Spring Seat

4023

Volute Casing

8614

Impeller

8615

Seal Assembly

13294

Impeller Shim Set

2.Y

Seal Spring Seat

4023

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DuracellAB InBevErgonTitan AmericaMeritUnivar SolutionsRivianCadrexMagnaMaasPresriteSoutheast PowerInterrollDuracellAB InBevErgonTitan AmericaMeritUnivar SolutionsRivianCadrexMagnaMaasPresriteSoutheast PowerInterroll

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