Product Overview

POSI-Plug® (US Patent 8,708,000 B2 and 9,163,769 B2) Brand Tube Plug by Postoak Services Inc.

POSI-Plug® (US Patent 8,708,000 B2 and 9,163,769 B2) brand tube plugs unique design seals smooth bore and seam welded tubing. The large elastomeric seal effectively conforms to the internal diameter (id) of the tube and has excellent gripping power to keep it in place under low pressure.

Installation is simple and done with common hand tools.

A combination box-open end wrench or adjustable wrench is all that is needed to easily complete the job. Simply insert the plug into a clean tube end and tighten the nut. The POSI-Plug® (US Patent 8,708,000 B2 and 9,163,769 B2) brand plug does the rest.

If you want a plug that can go the distance and hold the pressure all around the world, you have come to the right web site. We manufacture standard and custom POSI-Plug® (US Patent 8,708,000 B2 and 9,163,769 B2) tube plugs designed to be insertable into tubing bore even under low pressure.

The design of POSI-Plug® (US Patent 8,708,000 B2 and 9,163,769 B2) tube plugs allow easy and reliable installation and positive pressure holding capabilities that are unsurpassed in the Industry for sealing of seamless and seam welded tubing.

The most efficient and cost effective way to protect your new tube after cleaning and drying is to protect the interior with a nitrogen blanket and inhibitors to prevent and retard oxidation and seal the tube with a POSI-Plug® (US Patent 8,708,000 B2 and 9,163,769 B2) brand tube plug.

POSI-Plug® (US Patent 8,708,000 B2 and 9,163,769 B2) brand tube plugs are manufactured in sizes from 0.400 to 2.45 in. od. serving the standard sizes of coil tubing in use today.

If you are performing maintenance or remedial treatments on an old string and replacing air with nitrogen it makes good sense to seal that tube with a POSI-Plug® (US Patent 8,708,000 B2 and 9,163,769 B2) brand tube plug.

When properly installed the POSI-Plug® (US Patent 8,708,000 B2 and 9,163,769 B2) brand tube plug seals in the nitrogen blanket and or added inhibitors used in rust and scale control and keeps moisture and dirt from entering the tubing.

Pressure inside the tube is safely and easily monitored or tested with the use of a common air pressure tire gage applied to the stem of the POSI-Plug® (US Patent 8,708,000 B2 and 9,163,769 B2) brand tube plug. Additional purge gasses can be added to the tube by the use of a common air chuck connected to a nitrogen supply.

POSI-Plug® (US Patent 8,708,000 B2 and 9,163,769 B2) brand blind tube plugs are of the same design but do not have the hollow stem for testing or adding nitrogen.

NOTE: POSI-Plug® (US Patent 8,708,000 B2 and 9,163,769 B2) brand tube plug is a low pressure tube plug. DO NOT EXCEED 25 psi.