Perma Pure SDS-Series 4C-D201_-D202 - Manual (Page 10)

PERMA PURE LLC
SDS™-Series User’s Manual
Doc. #219: Revision: 000
Page 10 of 12
2. Optional exhaust connection: To vent the purge gas exhaust to a remote location, connect a
line to the ¼” FNPT fitting labeled “Purge Air Vent”. This is suggested for gas samples that
are toxic, flammable or otherwise hazardous. In case of failure of seal integrity, the sample
will be vented to the remote location. For runs under 10 ft, ¼” OD tube is acceptable. For
runs 10-40 ft,
3/8
” OD tube is recommended.
Figure 6 - Purge Gas Connections
Your drying system is ready for use when
Securely fastened to the wall
Instrument air is connected and flowing
Sample inlet and outlet tubing is connected