Description

Used to control water in drill holes and/or injecting cementious or chemical grouting compounds in high volumes. The hollow center pipe is securely anchored in the drill hole by the four precision made expanding polyurethane rubber sleeves and specially machined washers.

Pressure Limitations

Our plugs, similar to most other grout plugs or packers as they are sometimes called. They are anchored in the hole by expanding a flexible membrane to create a friction fit within the hole wall. For our membrane we use high performance polyurethane because of its stiffness and high shear strength in all temperatures.
By tightening the drive nut at the top of the plug, this forces the outer sleeve onto the rubber and compresses it causing the rubber to expand against the hole wall.
Because the plugs are used in many different types of ground, ground conditions and type of bit used to cut the hole we do not provide any pressure ratings with our plugs. Our plugs and similar styles are used throughout the industry and around the world for grouting applications for many years. For high pressure applications, customers sometimes choose to drill two anchor holes, one on each side of the grouting hole, and anchor rock bolts in these holes. Then the grout plug can be chained or cabled to the anchors as an extra precaution. For normal grouting operations the friction fit of the grout plug is usually enough.

-The Margo Grout Plugs (also called Grout Packers)are designed to be sized 1/8" smaller than the actual drill hole diameter.
Accurate sizing results in maximum grout plug holding power.
-Attach your ball valve (not included) to the NPT threaded inlet pipe end.
-The Margo Grout Plug is available in all standard sizes for 1" (25.4mm) to 6" (152.4mm) drill holes including EX, AQ, BQ & NQ.

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