How to Replace a Pressure Cooker Gasket Safely

By Cookware Brands | Published: 2026-10-23

Category: How-to Guides

Learn how to replace your pressure cooker gasket safely with this step-by-step guide. Find the right RACO or Namco gasket for a 24cm stainless steel cooker.

Quick Answer

To replace a pressure cooker gasket safely, first ensure the cooker is cool and depressurized, then remove the old gasket, clean the lid groove, and press the new gasket into place, checking that it sits evenly before use.

Why Gasket Replacement Matters

A worn gasket can cause steam leaks, longer cooking times, and even safety issues. Replacing it promptly keeps your pressure cooker working efficiently and safely.

The RACO / Namco gasket is specifically designed for 6L stainless steel pressure cookers with a 24cm diameter, so it's a reliable fit for many popular models.

Choosing the Right Gasket

Not all gaskets are universal. It's crucial to match the gasket to your cooker's brand and size. The RACO / Namco gasket fits 6L stainless steel models with a 24cm diameter, but if your cooker is a different size or brand, check the manufacturer's specifications.

Using the wrong gasket can lead to poor sealing and safety hazards, so always verify compatibility before purchasing.

Step-by-Step Gasket Replacement

Ensure Safety First: Make sure the pressure cooker is cool and completely depressurized before starting. Turn the valve to release any remaining steam, and open the lid carefully. Never attempt to replace the gasket while the cooker is hot or under pressure.
Remove the Old Gasket: Gently pull the old gasket out of the groove around the lid. If it's stuck, use a soft tool to pry it loose, being careful not to scratch the lid. Inspect the old gasket for tears or wear to confirm replacement is needed.
Clean the Groove: Wipe the groove with a damp cloth to remove any food residue or debris. Ensure it is completely dry before installing the new gasket. A clean groove prevents leaks and helps the new gasket seat properly.
Install the New Gasket: Place the new gasket into the groove, pressing it evenly all the way around. Make sure it sits flat and is not twisted or stretched. Check that the gasket is flush with the lid and not protruding in any area.
Test the Seal: Close the lid and lock it in place. Perform a water test: add a cup of water, heat the cooker, and watch for steam escaping around the lid. If steam leaks, remove the gasket and reinstall it carefully. A successful water test indicates a proper seal and safe operation.

Product Fact

RACO / Namco Gasket For Stainless Steel 6L Pressure Cooker (24cm Diameter): This replacement gasket is suitable for RACO and Namco stainless steel pressure cookers with a 6L capacity (24cm diameter). It ensures a proper seal for your specific cooker model, restoring safe and efficient pressure cooking.
RACO / Namco Gasket For Stainless Steel 6L Pressure Cooker (24cm Diameter)