The vast majority of connections in pneumatics are made using fittings with BSP parallel threads and an O-ring seal. Unlike sealing by contact between threads, they do not require Teflon thread sealant, which could be a source of contamination for the pneumatic system. The exception is joining uneven (curved) surfaces where an O-ring may not [...]
Yes. There are special "high-pressure" push-in fittings designed for lubrication systems, with working pressure of up to 30bar for air, and up to 150bar for lubricants.
For equipment where vibrations, displacement or hose jerking may occur, it is best to use threaded fittings or fittings with a cutting ring.
A pneumatic threaded fitting consists of a body onto which a hose is pushed and a nut with which the hose is clamped. Due to the construction, it is very important for both hose diameters (outer and inner) to be the same as the dimensions of the fitting. It is not possible to make a [...]
Pneumatic push-in fittings are the most popular because they are readily available, user-friendly and easy to install/disassemble from the hose.
