Fittings

Donald Engineering offers a seemingly endless selection of fittings for plumbing hydraulic and pneumatic circuits. Our experts will work with you to choose the right fitting(s) for your application, saving you time, space, and money. We proudly source our fittings from carefully selected vendors who share in our commitment to quality and customer success.

Pressure Connections' Gaugeport Series is a safe alternative to modifying or tapping common adaptors, which typically lack proper thread engagement, rendering them unsafe. The Gaugeport Series offers full thread depth, high-pressure pipe and O-ring boss ports that safely handle the pressures of today's systems.