SELF-FLUSHING SIPHON

The GNA HYDROFLUSH self-flushing or "closing syphon" is designed to clean small 200-400 mm (6-12") diameter sewers. Flushing intensity flows from as little as 5 l/s (80 gpm) to 31 l/s (500 gpm) are delivered with this device.

ADVANTAGES

* Works with extremely low inlet flows
* Rain, domestic or industrial water can be used to activate the system.
* Flushing action activated by a drop of water.
* Will remove deposited material in sewers.
* Can be used for odor control.
* Compact, simple and reliable operation.
* No operating or maintenance expenses.
* Easy to install.
* Stainless steel construction.

PRINCIPLES OF OPERATION

• Siphon Flushing.
• Maximum level is achieved and syphon is primed.
• Siphon action generates flushing wave.
• Siphoning action terminated.
• Back-washing inlet to remove debris.
• Standby position.

BEFORE INSTALLATION AFTER INSTALLATION

The Hydroflush system of cleaning small diameter sewers together with the well known GNA Hydroself flushing gate system provides a complete range of automotive flushing system for all sewers, box culverts and basins without any external energy supply.