Compressed Air Systems should be designed for just the right quality of air at the most economical costs. SEPPA has a wide range of dryers for all your needs. For general plant and instrumentation air SEPPA Refrigeration Dryers come in two series Premium and Pro in standard capacities. For larger and intricate requirement engineered systems are available. For general plant air, dew points of 4°C to 6°C (dewpoint) are considered adequate, well within the range of Refrigeration Dryers. Refrigerated type Dryers use less energy and hence are lower in first and operating costs. The Refrigeration type Air Dryer is a packaged self contained unit, fully automatic and produces a steady level of dew point. There is no regeneration cycle with complex valving, no periodic recharging of chemicals, oil in the air stream does not affect performance.