4.5 - GREEN MACHINE
™
- North America - Installation, Operation, Maintenance, & Troubleshooting Manual
Chapter 2: Vapor Piping Installation
Page 43
Chapter 2: Vapor Piping Installation
2
Vapor Piping Installation Overview
•
There are 3 piping connections to be made to the GREEN MACHINE.
See Figures 2-1 & 2-2:
•
Vapor Inlet (supply) from the UST’s
•
Vapor (concentrate) Return to the UST’s
•
Air Outlet to atmosphere
•
All the GREEN MACHINE
piping connections are 1” diameter National Pipe Thread (NPT).
2.1
General Notes
•
The piping contractor is responsible for providing all necessary piping, non-hardening pipe-
joint compound, and pipe fittings.
•
Make sure the gasoline UST tanks vapor piping is manifolded either above ground or below
ground.
•
Locks must be installed on the valves to prevent unauthorized tampering of the equipment.
•
Under normal operation, the valves must be locked in the OPEN position.
•
VST requires a minimum slope of 1/4
” per foot on all vapor
-piping away from the GREEN
MACHINE to the vent risers or to any other UST piping connection.
•
The ¼”
diameter drain line with the supplied adapter must be installed per
Figure 2-1
.
