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Mainstream Dry Hydrants Inc.

www.dryhydrants.com

Your Best Source For Dry Fire Hydrant Products and Information

 

Typical Insulated Dry Hydrant Side View Illustration

 

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illustration of dry hydrant frost free installation.

Typical Dry Hydrant Frost Free Configuration:  In area's of  freezing climate and little ground cover as illustrated here it is also advisable to install Styrofoam SM below the surface horizontally around the riser pipe and over the pipe run all the way to the water's edge. It's also a good idea to spray the threads with a frost inhibitor after each use or water can collect and freeze at the base of the thread making it difficult to get a seal with the hard suction hose. We've heard of firefighters giving up on a hydrant thinking that it was frozen only to find out after the incident that there was just a little ice in the thread preventing an air tight seal against the gasket.


Strainer Support Clamp Detail: HS62 back flushing horizontal strainer.  Holes up.

 

Picture of a horizontal dry hydrant strainer with back-flush cover


Strainer Support Clamp Detail
:  Though holes can be installed up or down two feet from bottom, we recommend up unless there is no sediment to be disturbed.

 

Illustration of a dry hydrant strainer support clamp.

 

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Last Updated, January 04, 2017