Eaton KPA-1043-1 - Page 6

Flexible hose
Coupling
valve
Hose adaptor
Outlet valve
Low-Pressure gauge
High-Pressure
gauge
Pressure
adjusting
knob
Pressure regulator assembly
000031KM
Vacuum valve
Figure 1. Gas Top-Off kit with pressure regulator accessory
Connecting to the switchgear tank
Connect the coupling valve (see Figure 2) to the fill valve of
the SF
6
switchgear tank (see Figure 3).
Topping off the SF
6
gas
1. Verify the quality of SF6 gas in the cylinder to be used.
2. Slowly open the outlet valve of the regulator.
SeeFigure 2.
3. Refer to the chart on the switchgear tank to determine
the maximum fill pressure for the current ambient
temperature. See Figure 3. When the pressure
gauge of the switchgear tank indicates the maximum
pressure, close the outlet valve of the regulator.
Disconnecting switchgear tank
1. Close all the valves of the SF
6
Gas Top-off kit and the
SF
6
cylinder. See Figure 2.
2. Remove the coupling valve from the switchgear tank.
Fill Valve
Pressure
Gauge
Fill Pressure Chart
010031KM
Figure 2. Switchgear tank valve, pressure gauge, and fill
pressure chart
2OPERATION INSTRUCTIONS MN285010EN May 2017
SF
6
gas Top-Off kit, KPA-1043-1 or KPA-1043-2, operation instructions