Two-Speed Heavy-Duty HYDRAULIC HAND PUMPS BETEX PB SERIES Features: Betex heavy-duty hand pumps feature a forged construction. The drop-forged base and rugged welded construction effectively prevents collision damage and deformation. The professional choice for a wide range of industrial applications. Internal overload valve prevents pump from being used beyond its rated capacity. Two-speed pumps provide rapid pumping to load the cylinder quickly. External adjustable relief valve with locking mechanism. Carrying handles for easy portability.