HUMPHREY BLOCK CYLINDERS HJDA, HJDAS HJSA, HJSAS
Humphrey Block Cylinders, HJDA, HJDAS, HJSA, HJSAS are compact double acting and single acting cylinders with shorter body length than conventional cylinders. This makes them well suited for applications where space is limited. The Humphrey block cylinders are available with magnetic piston to allow the use of reed switch sensors. Bore sizes range from 12mm up to 100mm and strokes up to 4″ on the larger bore sizes.