Aerofit LLC – The Leading Provider of High-grade Pressure Fluid Fittings and Fitting Systems

Aerofit, LLC was founded in 1968 by Robert F. Peterjohn. The company began its legacy with a single Clausing engine lathe, which is a part that is used to rotate a tool used particularly for an engine. Over the years, their product line has grown. The machining of products and the finishing of most products is done in house. Aerofit Products and APT, a hydro-mechanical testing laboratory established in 1972, remained in the Peterjohn family until 2004. That year Aerofit was sold to Jordan Law and Dave Werner. The company currently resides in Fullerton, California in a 67,000 square ft. building.

Today Aerofit, LLC. manufactures a diverse line of products for a wide range of applications and programs. One of the products that Aerofit carries are standard hydraulics. These standard hydraulics come in different shapes which includes straight shapes, tee shapes, elbow shapes, and cross shapes. They are also available in multiple materials and end types. Aerofit’s SMA (Shape Memory Alloy) fitting fluid systems use a Tinel characteristic, which allows the alloy to change its shape as it is heated and cooled. It has up to 8% elasticity. These fitting systems are more cost efficient to install and are much more user friendly than the traditional brazing or welding. Aerofit also carries the brand CryoFit. CryoFit couplings and CryoFit fittings are similar in material and memory characteristics, except that they are used to join aerospace tubing. These fitting systems have over 39 years of exceptional leak free performance.

ASAP Semiconductor is a well known distributor of all Aerofit parts, boasting a comprehensive inventory of both current and obsolete product lines as well as the capabilities to procure any parts we do not have. If you have a demand for these parts, please contact us today at and one of our knowledgeable sales staff will be ready to assist you.


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