The ATEX, SIL-3, and CE Certified single-acting stainless steel pneumatic rotary actuators are the best solution to a corrosive atmosphere. These are a good fit for humid and open workplaces like the seashore are. aira offers 4 years manufacturing warranty with high-class quality materials. With graded materials, these pneumatic actuators are known for high performance, long cycle life, highest levels of corrosion protection, and economy.