The Harris Product Group, a Lincoln Electric company, has highlighted its Model 920 Switchover System which provides a continuous supply of high purity gas for a variety of applications.

The SG 920 ensures continuous gas flow to downstream applications by automatically switching gas supply from a primary cylinder bank to a reserve cylinder bank.

Once the empty cylinders are replaced, users can reset the primary bank. The cycle is repeated as pressure drops, keeping a consistent delivery of gas to downstream applications.

When the primary cylinder bank drops to a specified pressure, the system automatically switches to the other cylinder bank to maintain a constant flow of gas.

The switchover system can be used with inlet pressures up to 3000 PSGI and is available in two versions. Harris regulators are installed within the unit to control delivery pressures.

HPG 920 switchover

Source: The Harris Product Group