Water Well Casing Seal

The adapter provides a sanitary and frostproof seal between the casing and the waterline that runs out from the casing to a building.

Water well casing seal. Bentonite a clay material that expands when wet is also often used for grouting a well. An essential aspect of proper well construction is sealing the space between the well casing and the side of the drilled hole called the well annulus. Click here for product warranty information. Well casing should also have a vermin proof vented cap and penetrate the ground at least 20 feet.

Multi size foot valve sump pump check valves. Because of its high swelling capacity casing seal bentonite is an effective sealing material for sealing a leaking pond and for use as a clay liner. 30253 1608 highway 20 east mcdonough ga. Drilled wells also require an annular or grout seal between the well casing and the bored walls.

The grout is pumped into the annular space starting from the bottom of the casing using a tremie pipe until it appears at the surface of the ground. In this video we cover all the parts and assembly of a standard well seal. A well spool is a special seal around the well piping used to seal a well casing in wells at which the static head of water level in the well casing rises above the frost level. Casing seal sodium bentonite is a mixture of random sized particles of a utility grade granular wyoming sodium bentonite a naturally occurring non treated swellable clay.

Check and foot valves. Well seal steel single drop pipe for 6 90 od casing. Without proper sealing surface water may enter the borehole and contaminate the well water. These well caps fit on top of the water well casing in systems that use a pitless adapter which is a device that is attached below ground to the well casing.

Well seal cast aluminum. Basically it s a spool shaped plumbing fitting that incorporates round flanges at its top and bottom threaded to accept well pipe fittings above and below the spool. In california the annular seal must extend below the strata a minimum of 10 feet for. Water wells if properly constructed can provide a safe and reliable source of drinking water.

Cross section of a well casing showing the grout used to seal the annular space around the casing. Before you hang up your work boots you must seal your well to protect it from surface water contamination. After you reach water with any drilling project it s time to put the tools away and rest in a job well done almost.