Perma pure llc – Perma Pure SDS-Series 4C-D201_-D202 User Manual

Page 4

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PERMA PURE LLC

SDS™-Series User’s Manual

Doc. #219: Revision: 000
Page 4 of 12

General description


Proven tube-in-shell membrane technology is the basis of the SDS™-Series Drying System, which
selectively removes water vapor from a gas stream. The driving force is the vapor pressure

differential between the sample gas and a purge gas counter-flowed outside the tubing. This
difference drives the reaction, quickly drying the gas stream.


The SDS-Series drying system is designed as an add-on to an existing conditioning system. It can

also be used as the primary gas drying device, provided the sample is non-condensing at ambient
temperature.

Specifications and features

• Sample flow rate:

o

4C-D201

5 lpm maximum

o

4C-D202

10 lpm maximum (single stream)

5 lpm maximum each (dual stream)

• Sample inlet humidity: Non-condensing at room temperature
• Sample outlet humidity: < -15°C dew point at maximum inlet flow and humidity conditions
• Sample inlet pressure: 80 psig maximum
• Sample inlet temperature: 90°C maximum
• Dimensions: 24” x 6” x 6”
• Enclosure: NEMA 12, IP 54, gray powder-coated finish
• Purge air requirements:

o

Purge gas pressure: 30-150 psig

o

Purge gas humidity: less than -40°C dew point

o

Oil-free instrument air or nitrogen recommended

• Connections:

o

Sample inlet:

¼” Kynar™ compression fitting

o

Sample outlet:

¼” Kynar compression fitting

o

Purge air inlet :

¼” female NPT

o

Purge air outlet:

¼” female NPT; allows for connection to outside vent

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