Sunsep™ Membrane Gas Dryers and Humidifiers
Sunsep™ Membrane Gas Dryers and Humidifiers are the most versatile water transfer devices available on the market. Helping to reduce the cost of waste caused by humidity in industrial applications, Sunsep products are suitable for gasses other than air for humidification. Eco-friendly Sunsep products contain no desiccant, CFC gas or refrigerants. Requiring no drain generation, purge gas is emitted as water vapor. Small and light, Sunsep membrane gas dryers and humidifiers are maintenance-free with no wiring, mechanical or electrical parts to wear out. Built-in purging circuits eliminate the need for a purging line outside the unit. Utilizing one of our proprietary ion-exchange membranes, Sunsep membrane gas dryers and humidifiers are offered in three different series to address many applications.
Sunsep membrane gas dryers now sold through Bellex International Corp.

- Features
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SWC Series
- Designed exclusively for point-of-use compressed-air applications
- Six models with flow capacities from 5 to 300 lpm capable of producing -30 °C dew point
- Integrated and adjustable self-purging orifice accommodates various flow rates and operating pressures (up to 125 psig)
- Mechanically simple design with no moving parts
- Ideal for use in hazardous locations
SWB Series
- Most versatile product line useable in the widest range of pressures and applications
- Cylindrical in shape, dryers can be used for compressed air or ambient pressure gasses
- Accommodate flow rates up to 700 lpm and operating pressures up to 125 psig
SWG Series
- Designed for use with sample gasses or ambient air
- Mainly used in gas analyzers and sample conditioning systems
- Applications
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- Compressed-air purification
- High-value gas drying
- Drying gas samples prior to analysis
- Breath sample dryers for capnography
- Humidification modules for oxygen concentrators
- Aseptic humidification for environmental chambers
- Air dryer for ozone generator in NOx analyzers (SWG)
- Drying combusted samples in TOC and elemental (sulfur) analyzers (SWG)
- Polishing dryer downstream of sample coolers for process analysis or CEM systems (SWG)
- MSDS
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If you do not see the MSDS you are looking for, please contact us.
- Technical Documentation
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Gas Analysis Applications
Temperature Effects on Water Transfer Performance
Sunsep™ SWG A01 Instruction Manual
Sunsep™ SWF M06 400 Instruction Manual
