Couplings are plastic, which is lighter in weight than metal cam-and-groove hose couplings. They consist of a plug and a socket that connect and disconnect quickly. Use them if you need frequent access to a line. To connect, insert the plug into the socket and push the levers down.

Protect against excess vacuum and pressure in cylinders, gear boxes, enclosures, manifolds, and tanks.

Add a filling port to your hydraulic tank while protecting against excess pressure and vacuum.

Seal tube and hose fittings to keep their straight threads protected from contaminants during fabrication and storage.

The wings on these plugs expand against the sides of a hole to lock them in place.

The wings on these plugs expand against the sides of a hole to form a liquid-tight seal. Pierce the plugs with round wire, cable, or tubing and they function as a grommet to create insulated holes.