High-Pressure Fittings

These 360-µm high-pressure fittings allow direct connection of 360-µm-OD fused silica, polyetheretherketone (PEEK), stainless steel, or electroformed nickel tubing without the need to use liners. With fine 2-56 threads, the compact fittings provide a leakfree connection that seals at pressures well in excess of 20,000 psi. They can be easily formed with a manual tool, and are available with a PEEK or stainless steel nut; the PEEK nut is supplied with a glass-filled PEEK ferrule, while the stainless nut uses a 316 SS ferrule. The ferrule snaps into the nut so that the fitting is one piece, but the ferrule is free to rotate and does not twist the tube as the nut is tightened. Various bore sizes are available. The fittings are suitable for chemical, pharmaceutical, food and beverage, laboratory, and OEM applications.