Perma Pure PD-Series - Manual (Page 2)

Tool Needed:
- Phillips head screwdriver
1. Turn locking screw 2-3 turns on end of dryer
(not necessary to take screw out).
2. Position fittings as needed. Do not rotate
more than 180 degrees from original
position and check to see tubing inside
shell is not twisted.
3. Align purge port to hole in shell tube (see
Figure 4).
4. Tighten locking screw.
TO ROTATE FITTINGS
Adjusting end fittings without following
the steps below may cause twisting of
membrane tubing and void warranty.
Check for Alignment
Sample Port
TO DISASSEMBLE DRYER
Tools Needed:
- Phillips head screwdriver
- unsharpened pencil with eraser
1. Loosen locking screws on both ends of dryer.
2. Insert eraser end of pencil into one sample
port until it rests on tube header face.
3. Hold dryer vertically and place other end of
pencil down onto a hard, slip resistant surface.
4. While supporting shell tube, push lower end
fitting down with consistent pressure until it
slips off shell tube. Do not attempt to pull
fitting from shell tube; doing this is likely to
damage dryer element tubing.
Bulletin# 204a
Nafion® is a registered trademark of DuPont
PD™ is a trademark of Perma Pure LLC.
5. Repeat steps 2-4 for other end.
6. Remove one o-ring from tube header (see
Figure 5).
7. Pull tube element from opposite end of dryer.
Figure 5
Tool Needed:
- Phillips head screwdriver
1. Install one thick o-ring onto grooved tube
header (Refer to Figure 6).
2. Slip opposite tube header into dryer shell.
3. Install other thick o-ring onto groove.
4. Push one thin o-ring into groove inside
coupling (for SS and AL shells slip o-ring on
shell across two holes).
5. Firmly push coupling over tube header.
6. Align purge port with hole in shell tube.
7. Tighten locking screws until underside of
screw head contacts top of boss.
8. Repeat steps 4-7 for opposite end.
Figure 6
TO ASSEMBLE DRYER
PD-Series dryer’s performance vary according to
dryer lengths, flowrates and the number of
Nafion tubes.
PERFORMANCE
Performance Curve
Tube Header
Replacement parts:
Dryer element:
PD-50T-(12, 24, 48,72)E-M
Includes one set of o-rings
Extra o-ring set of 4:
PD-50T-3M
8 Executive Drive
Toms River, N.J. 08755
Phone: 732/244-0010
Fax: 732/244-8140
e-mail: [email protected]
Web Site: www.permapure.com
PD ™ -Series
Gas Dryer
User Manual
PERMA PURE