Cartridge Seal Installation

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Cartridge Seal Installation

FSA Knowledge Series

DISCLAIMER

While the FSA makes every reasonable attempt to ensure that the information contained in this document is accurate and current, the FSA, its officers, directors, volunteers, and authorized agents are not responsible for any errors or omissions contained therein nor are they responsible for any results obtained from the use of or reliance upon its content. All information is provided “AS IS,” with no guarantee of completeness, accuracy, timeliness or of the results obtained, and without warranty of any kind, express or implied. In no event shall FSA or its officers, directors, volunteers, or authorized agents be liable to you or anyone else for any decision made or action taken in reliance on the information con tained herein or for any for any consequential, indirect, special, or similar damages, even if advised of the possibility of such damages. The informa tion contained in this document is for informational purposes only and does not constitute professional advice. It also includes references to certa in standards that may change over time and should be interpreted only in light of particular circumstances. It is your sole responsibility to confi rm the current state of any referred to standards. FSA reserves the right to modify or update the document content and to modify this Disclaimer at any t ime, effective upon posting of an updated version of this Disclaimer.

© (April, 2023), Fluid Sealing Association. All Rights Reserved.

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

▪ Checking machine tolerances

▪ Step-by-step installation of the cartridge seal

▪ Post installation checks

Basic Principles

Cartridge Seal Installation

• Step 1) Check Machine

Tolerances

Axial free play

Cartridge Seal Installation

Step

1) Check Machine Tolerances

Cartridge Seal Installation

• Step 1) Check Machine Tolerances

Perpendicularity

Cartridge Seal Installation

• Step 1) Check Machine Tolerances

Remove sharp corners and any burrs, especially in areas where seal O-rings will slide over

Cartridge Seal Installation

• Step 2) Lubricate seal sleeve o-ring & slide cartridge seal onto shaft

Seal Sleeve O-ring

Cartridge Seal Installation

• Step 3) 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

Cartridge Seal Installation

• Step 5) Attach impeller to shaft

Cartridge Seal Installation

• Step 6) Attach pump casing to frame

Cartridge Seal Installation

• Step 7) Make final impeller position adjustments

Cartridge Seal Installation

• Step 8) Tighten seal set screws to shaft

Seal Set Screws

Cartridge Seal Installation

• Step 9) Remove seal setting spacer/device

Seal Setting Device

Cartridge Seal Installation

• Step 10) Check that the shaft rotates freely by hand

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