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ControlAir releases type 385 stainless steel filter for harsh industrial use

By Mary Gannon | July 1, 2026

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ControlAir LLC announced the availability of the Type 385 Stainless Steel Filter, designed to provide efficient filtration and high flow capacity for demanding industrial and process control applications.

ControlAir-steel-filter

The Type 385 Stainless Steel Filter features corrosion-resistant 316L stainless steel construction throughout the body, housing, trim, and filter assemblies, making it ideal for offshore, chemical processing, food and beverage, pharmaceutical, and other harsh operating environments. Large internal porting and oversized flow paths deliver high flow capacity with minimal pressure drop, helping maintain stable downstream performance in high-demand pneumatic systems.

Available with either manual or automatic drain configurations, the Type 385 is engineered for reliable moisture and particulate removal while reducing maintenance requirements and improving system performance. Standard filtration is 40 micron, with an optional 5 micron element available for enhanced air cleanliness. The unit also offers a low temperature option for operation down to –61°F (–52°C).

Designed for versatility and durability, the Type 385 Stainless Steel Filter is well suited for use with large volume valve actuators, pneumatic instrumentation, process automation systems, and other applications requiring dependable air filtration under difficult environmental conditions.

The Type 385 offers maximum supply pressure ratings up to 450 psig (31 bar), with flow coefficients up to Cv 13. Port sizes are available in 3/4 or 1 in. NPT configurations, with dual 1/4 in. NPT gauge ports and 1/8 in. NPT exhaust connections. Operating temperature range is –40 to 200°F (–40° to 93°C), with optional low temperature operation from –61° to 194°F (–52° to 90°C). The unit is available with optional automatic drain, low temperature operation, 5 micron filtration, and ATEX 2014/34/EU certification for use in potentially explosive atmospheres.

ControlAir LLC
www.controlair.com


Filed Under: Air Preparation & Regulation, Components, Components, Filtration, Filtration/Contamination Control, Pneumatic Tips
Tagged With: controlair
 

About The Author

Mary Gannon

Mary Gannon is editor of Fluid Power World. She has been a technical writer and editor for more than 13 years, having covered fluid power, motion control and interconnect technologies.

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