Composite Union Tee

Union push-to-connect fittings are available for use with 5/32, ¼, 5/16, 3/8 and 1/2 OD tube. Tubing connection and tightness are made possible by a stainless steel gripping collet and o-ring inside the fitting. Once inserted to the bottom of the fitting, the stainless steel collet grips the tube and prevents it from being disconnected until the release button is pushed.

  • Tube sizes:  5/32, ¼, 5/16, 3/8 and 1/2 OD
  • Recommended for use with 95A polyurethane tubing
  • Nickel plated brass, composite or 316 stainless steel construction
  • Suitable for use in vacuum applications
  • Push-in fittings enable quick tubing connection and disconnection
  • Stainless steel gripping collet ensures tubing connection and tightness


Operating Pressure Rating: 29.5” Hg to 150 psi
Max Pressure: 250 psi
Temperature Range: 32° F to 140° F (0° C to 60° C)
Media: Air, Vacuum
Body: Polybutylene
Seals: Buna-N
Collet (Release Button): Polyacetate
Gripper Ring: Stainless Steel
Collar: Zinc Dichromate