Vaplock™ Large-Bore Tubing Connections, Cole-Parmer
For liquid-tight connection of semi-rigid tubing (1/4" to 3/4" O.D.) to NPT ports.
Large-bore tubing connections for 1/4" NPT and 1/2" NPT ports.
Wrap NPT threads 3 to 4 times with PTFE tape and wrench tighten for leak-resistant connections.
These compression fittings designed for liquid-tight connection of semi-rigid tubing to NPT ports, for 1/4" to 3/4" O.D. tubing. Useful for pressurized applications under 100 psi. Select based on tubing outer diameter. All fittings are comprised of two-piece molded polypropylene components and do not include a separate ferrule.