Sterling 882.00379.00 User Manual

Page of 138
Conveying System Mechanical Components    Chapter 3: Installation 
64 of 138 
Figure 31: Solenoid Valve Location on Atmospheric Valve & Compressed Air Connections 
 
 
(1)  Normally Closed Port = Connect to Air Supply 
(2)  Common = Connect to Valve 
(3)  Normally Open = Exhaust Port 
 
Your 
3
/
8
” (9 mm) branch supply line should include: 
1.  A shutoff valve for ON/OFF control. 
2.  An air filter/pressure regulator with a gauge for pressure control. 
3.  Mini-lubricators located at each vacuum receiver. 
Install a quick-disconnect fitting or a shutoff valve in the compressed air piping leading to the 
vacuum receiver atmospheric valve to speed receiver cover removal for cleanout or service. 
Connecting Vacuum Receivers with Sequence-T Valve Compressed Air Lines 
See Figure 32 on the following page for an illustration of a typical sequence-T valve. Critical 
dried resin systems sometimes require sequence-T valves to prevent drawing humid atmo-
spheric air into the material supply. Sequence-T valves are usually installed in the vacuum 
header above the vacuum hoppers. 
Note:  The sequencing valve is located in the cover on SR Series vacuum receivers if 
you selected the internal sequencing valve option. 
If mounted in the vacuum line, connect the sequence-T valve to a 60 psi to 80 psi (414 kPa to 
552 kPa) source of clean, dry, lubricated compressed air. 
Run a 
3
/
8
” (9 mm) branch line off the plant air main to the sequence T valves in your system. 
Install a 
3
/
8
” (9 mm) x 
1
/
8
” (3 mm) tee in the up position near each receiver. 
Connect compressed air to the normally open port on top of the sequence-T valve solenoid 
valve with a 
1
/
8
” (approx. 3 mm) pipe nipple. Connect the common port to the sequence-T 
valve using 
1
/
4
” (6 mm) poly tube and connectors. See the following for more information. 
Solenoid Valve