Cartridge Seal Installation

Cartridge Seal Installation FSA Knowledge Series

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Abstract This Fluid Sealing Association Knowledge Series training presentation introduces the installation procedure for cartridge seals. A description is provided on:

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Checking machine tolerances

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Step-by-step installation of the cartridge seal

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Post installation checks

Basic Principles Pump Bearing Housing

Driver

Coupling

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Cartridge Seal Installation • Step 1)

Axial free play

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Check Machine Tolerances

Cartridge Seal Installation • Step 1)

Radial Runout

Check Machine Tolerances

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Cartridge Seal Installation • Step 1)

Perpendicularity

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Check Machine Tolerances

Cartridge Seal Installation • Step 1) Remove sharp corners and any burrs, especially in areas where seal O-rings will slide over

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Check Machine Tolerances

Cartridge Seal Installation • Step 2)

Lubricate seal sleeve o-ring & slide cartridge seal onto shaft

Seal Sleeve O-ring

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Cartridge Seal Installation • Step 3)

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Attach seal chamber cover to pump

Cartridge Seal Installation • Step 4)

Slide seal towards seal chamber and secure seal gland to seal chamber

Ensure piping connections are located properly before securing the seal gland to the seal chamber

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Cartridge Seal Installation • Step 5)

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Attach impeller to shaft

Cartridge Seal Installation • Step 6)

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Attach pump casing to frame

Cartridge Seal Installation • Step 7)

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Make final impeller position adjustments

Cartridge Seal Installation • Step 8)

Tighten seal set screws to shaft Seal Set Screws

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Cartridge Seal Installation • Step 9)

Remove seal setting spacer/device

Seal Setting Device

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Cartridge Seal Installation • Step 10)

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Check that the shaft rotates freely by hand

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