Series 79 (Pneumatic Actuator) (1/2″ – 2″) Pneumatic Type-14 Diaphragm Valve Applications:Chemical processing, bleach plants, aquariums, mining, water treatment, landfills, swimming pools, power plants 1/2″ – 2″ Compact Applications:Chemical Processing, Bleach Plants, Aquariums, Mining, Water Treatment, Landfills, Swimming Pools, Power Plants