Parker Hannifin A/C Flow Restrictors

The Parker-Hannifin Corporation, most commonly referred to simply as Parker, is one of the world's largest producers in the field of motion and control technologies. That includes the fields of aerospace engineering, climate control, electromechanical devices, and process control. However, in the transportation industry, Parker is best-known for its work in filtration, fluid and gas handling, hydraulics, pneumatics, and sealing and shielding.

Parker-Hannifin first came to be in 1917, born in Cleveland, Ohio under the name Parker Appliance Company. The brand takes its name from its original founder, Arthur L. Parker, who created the brand in order to provide innovative solutions to problems facing the transportation industry. The company officially got its start when it began manufacturing pneumatic brake systems for busses, trucks, and trains. After more than 100 years of innovation in business, science, and design, Parker has managed to secure a place for itself among the largest corporations in the world within its industry.

Parker's list of accolades and awards is virtually unending. The company has produced pieces, parts, and hardware for countless millions of customers the world over. That includes both military and civilian uses. Not only has Parker produced parts for commercial trucks and industrial vehicles, it has also produced parts for civilian aircraft like the Boeing 737 and military aircraft like the F-35. Despite the setbacks that the company experienced in a few of its earlier designs, it continues to be one of the go-to brands for truckers, engineers, and repairmen in all four corners of the world.