Proven to be safe, robust, reliable, compact, and easy to maintain, Haskel pneumatic-driven liquid pumps provide a number of operational benefits: Safe pneumatic operation – no heat, flame or spark risk; Up to 100,000 psi (7000 bar) capability; ATEX certified; Infinitely variable cycling speed; Stall feature at pre-determined pressure to hold that pressure without consuming power; Problem-free stop/start applications; Easily automated, with many modification and control options available; Suitable for most liquids and liquefied gases; No need for air-line lubrication, which saves costs and prevents contamination.