Description
The Techcon TSD1400-010APK O-ring pack supplies ten Buna-N seals sized at 1/4 in ID by 1/16 in cross section for dispenser maintenance work. These dispensing valve parts help restore a clean seal inside compatible Techcon fluid paths, fittings, and valve assemblies where a worn O-ring can cause leakage, inconsistent pressure, or air entry during dispensing.
Where dispensing valve parts like this fit
Small elastomer seals are easy to overlook until a valve starts dripping between shots or a fluid line loses pressure during a production run. This Buna-N O-ring pack is useful for maintenance benches that support Techcon syringe-fed and valve-fed dispensing stations, especially where adhesive, sealant, grease, or coating material moves through compact fittings. Keeping the correct size on hand lets technicians rebuild a known connection instead of substituting a seal that is close but not correct. A mismatched cross section can pinch, extrude, or leave a gap after the fitting is tightened.
The 1/4 in inside diameter gives the seal room to seat around a small stem, tube, or hardware interface, while the 1/16 in cross section provides compression for a low-profile groove. Buna-N, also called nitrile rubber, is widely used for O-rings that see petroleum oils, greases, and many shop fluids. Confirm compatibility with the actual adhesive or solvent in the system before returning a valve to production.
How these dispensing valve parts hold up
- Pack quantity: 10 O-rings for maintenance stock and repeat rebuilds.
- Material: Buna-N rubber for general industrial sealing work.
- Size: 1/4 in inside diameter by 1/16 in cross section.
- Color: black, making the seal easy to distinguish from clear plastic fittings and metal hardware.
- Use case: replacement sealing component for compatible dispensing assemblies.
During service, remove the old O-ring without scratching the groove or sealing face. Clean out cured adhesive, dust, and dried fluid before installing the replacement. Lightly seat the new ring without twisting it, then tighten the fitting evenly so the seal compresses around the full circumference. After assembly, run a low-pressure test with the process fluid or an approved flush material before placing the station back into normal use.
Because O-rings are inexpensive compared with downtime, many shops replace them during scheduled valve service rather than waiting for a visible leak. Store the pack in a clean bin away from sharp tools and cured adhesive chips. Before installation, compare the old seal to the replacement for diameter, thickness, and material color so the rebuild stays consistent with the equipment bill of materials between planned rebuilds.
Ordering dispensing valve parts for maintenance
Order this 10 pack when the maintenance kit calls for TSD1400-010APK or when the measured seal matches the listed 1/4 in ID by 1/16 in cross section. For related valves, fittings, syringes, and replacement seals, browse Chemical Concepts dispensers, mixers, and nozzles. Techcon product family information is available from Techcon.
Need Help?
Need help confirming the right O-ring size for a dispenser rebuild? Call (800) 220-1966 or email [email protected].
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