This appraisal considers devices to prevent ants from filling underground spring hydrant wells with soil.

Hydraguard is a circular plate with an elastomeric seal located around its rim. The plate has 4 bolt holes and two drainage plugs incorporated into the plate. The Hydraguard is installed between the flanges of a hydrant and riser during installation.

Retroguard is a complementary product to Hydraguard that allows for a retrofit installation on existing hydrant assemblies.  Retroguard is an elastomeric sleeve that fits over an existing hydrant / riser flange assembly to provide a seal against the inside of the shroud pipe.  It is only available for DN80 circular flanges.

 

Product categoryElastomeric seal and sleeve
PA NumberPA 1730 Issue 2
Report holderHydrant Protection Pty Ltd.
BrandHydraguard and Retroguard
StandardHydraguard and Retroguard are innovative products that are not specifically covered by any Standards.
Publication date
Expiry date


Download appraisal

Title Format Download
PA 1730 Issue 2 Hydrant Protection Pty Ltd - Hydraguard and Retroguard Ant Barrier Devices for Hydrants-Final.pdf PDF