The original and most common SC "standard" series pump with a 5 1/4" diameter air cylinder and 1 1/4" stroke. 16 ratios available with the highest ratio capable of hydraulic pressures up to 55,000 psig. Commonly used for bolt tensioning, filter presses, clamping, proof and burst testing, metal forming. The 10-5 series with it's many ratios and modification options can be utilized anywhere a source of hydraulic pressure is required. The D-5 series has all the same characteristic including a Non Lubricated feature.