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Vacuum Stirrer Seal Internal Parts

The Joint-Side Parts, by Joint Size.

Replacement internal parts for the K24 and K29 vacuum stirrers: the PTFE joint-side components that seal against the flask neck. Select the joint size of your stirrer.

  • By joint size: K24 for TS24/40 necks, K29 for TS29/42
  • Restores the flask seal: the finned PTFE section that seats in the ground joint
  • Pairs with the gland seal: replace both for a full reseal

Fits with: K24 (TS24/40) and K29 (TS29/42) vacuum mixing stoppers; select your joint size.

$88.00

Description

Resealing the Joint Side

The stopper seals in two places: shaft to stopper (the gland seal) and stopper to flask (the internal parts). Vacuum loss at the neck, or a joint that no longer seats, calls for this kit in the matching size.

What to Know Before Ordering

  • Match the stirrer: K24 and K29 parts are not interchangeable
  • Full reseal: fit new gland seals at the same time
  • Fit: press into the stopper body, no tools

In the Box

Internal parts kit for one stirrer. Backed by our One-Year Total Care Warranty covering parts, labor, and specification compliance.

Shaft seal too? The Vacuum Stirrer Gland Seal 4-Pack fits both models.

Additional information

Standard Accessories

Joint-side PTFE internal parts for one stirrer, by joint size

Warranty

One-Year Total Care Warranty covering parts, labor, and specification compliance. Maintenance Agreements available.

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