RK Machinery manufactures hydraulic press machines such as H Frame Presses and C Frame Presses. Our hydraulic machines have all the features to satisfy skilled operators, yet are simple enough for the inexperienced hydraulic shop press operators. Using a hydraulic cylinder to produce a compressive force, the hydraulic press, was also known as the Bramah press after its inventor, Englishman, Joseph Bramah. The hydraulic press relies on Pascal’s principle which states that pressure within a closed system is constant. At RK Machinery, we will custom build hydraulic presses according to your specifications therefore ensuring that the H Frame Press or C Frame Press that you purchase will meet your exact needs and specifications.