
NBC™ Flat Belt - IOM
P/N: 1118140
Rev: 07/29/2020
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NBC
A
IR
S
UPPLY
R
EQUIREMENTS
General
Every conveyor system is unique, with its own specific requirements. Therefore, the following is a
general guide.
Main Feeder
Air velocity through the main feeder piping can be kept smooth with lower losses using large diameter
pipe with minimum bends and restrictions. Standard weight black pipe or copper is suitable for
plumbing the compressed air overhead to all points of use.
Air Drops
TGW Systems recommends using at least 3/4" pipe on air drops for high flow and low pressure loss.
The drop is terminated with a drain at the bottom. A tee located prior to the drain branches off to the
conveyor. This branch line must contain a lockout/shutoff. A shutoff must also be located in the drop
before the branch tee. OSHA Rule 29, CFR1910.147 requires energy sources (air drops) be turned off
and capable of being locked or labeled with a warning tag.
NOTE:
The pneumatic system for NBC installations does not require lubrication. Lubrication may affect the
valve operation and cause sluggish or erratic operation.
Air drop is a line dispersed from the plant main air header feed.