Description
The Techcon TS1400 O-ring is one of the dispensing valve parts that keeps a precision dispense valve sealed under pressure during cycling. This 7/32 in ID by 1/16 in cross section ring is molded from black Buna (nitrile) rubber and rated safe for continuous use to 100 PSI, matching the working pressure range of Techcon’s spool, needle, and spray valve bodies on the TS1400 platform. The larger 7/32 in bore fits a different piston or orifice size than the 3/16 in version, so check the exploded parts diagram for your specific valve before ordering. Each pack holds 10 rings, enough to rebuild two or three valves or keep a running set of spares on the bench.
Where These Dispensing Valve Parts Are Used
- Techcon TS1400 series precision dispensing valves running spool, needle, or spray configurations
- Bench and inline dispensing setups for RTV silicone, grease, flux paste, and UV cure gel
- Electronics assembly lines dispensing solder mask, conformal coating, and encapsulant
- General adhesive and sealant dispensing where a consistent, repeatable bead depends on a tight valve seal
Dispensing Valve Parts Specifications
- Material: Buna (nitrile) rubber, black
- Size: 7/32 in ID x 1/16 in cross section
- Pressure rating: safe for continuous use to 100 PSI
- Pack size: 10 O-rings per bag
- Fits spool, needle, and spray valve bodies in the Techcon TS1400 line
- Country of origin: USA
Buna handles most standard adhesives, sealants, and greases without swelling or hardening. If the dispensed fluid is a strong solvent or an aggressive cyanoacrylate, ask about the EPR version of this same O-ring size before ordering, since EPR resists a broader range of chemistries than Buna. Replacing this seal on a regular schedule, rather than waiting for a visible leak, keeps dispense volume consistent from shot to shot. Order from our dispensing valve parts and accessories category to match this seal to the rest of a valve rebuild kit. For exploded diagrams and maintenance guidance across the TS1400 platform, see Techcon.
Need Help?
Need help identifying which O-ring size your Techcon valve needs? Call (800) 220-1966 or email [email protected].







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