GripTight® Test Plug

Test Open End Pipe, Pipelines, Tubes and Pressure Vessels Quickly and Safely. High pressure pipe testing is safer than ever before, thanks to EST Group's GripTight® Test Plugs.

Unlike other pipe testing plugs that can loosen and eject under high pressure - even becoming dangerous projectiles - the GripTight Test Plugs actually use test pressure to seal more securely against the pipe's inner diameter.

The greater the pressure - the greater the grip! The result is safer installation, better sealing and all around safer testing.

GripTight Test Plugs provide a fast, safe and reliable solution for testing open ended pipe.

Capable of achieving test pressures up to 14000 PsiG - 960 BarG, GripTight Test Plugs eliminate the need for welding on and cutting off end caps, saving time and money on every test.

The self-gripping design uses test pressure to supplement the plug’s pressure holding capability - the greater the test pressure, the greater the grip.

GripTight Test Plugs incorporate a ported shaft for easy filling, venting and draining of the test system. GripTight Test Plugs are reusable, further reducing the cost per test.

Wear components: seals and gripper assemblies, are field replaceable.

Basic Operation:

Verify pipe size: Outer Diameter, Wall Thickness, and Inner Diameter; schedule, and material
Place plug into the inner diameter of the pipe
Tighten the Compression Nut to the required installation torque
Fill the pipe with the test medium
Pressurize the pipe, hold for the required time limit
Depressurize and drain test medium
Loosen Compression Nut and remove the GripTight Test Plug

Features

Pressure on Plug Squeezes Grippers Tighter; Plug can not be Ejected Under Pressure When Properly Installed
Have Been Used for Pipe Burst Tests in a Manufacturing Environment. Tests at Higher Pressure with Greater Safety, Typically to 80% of Yield
No Welding or Cutting Required. Speeds Fabrication Testing, Reducing Test Times Up to 80%
Reduces Seal Wear for Long Lasting Performance
Plugs can be Used in Solid or Ported Configurations
Prevents Plug Loss in Pipe End, and Eliminates Plug Lock-up After Hydro Test, Common with Inferior Plug Designs
Assures Retraction of Gripper Segments. Superior to O-Ring Design
Replacement Seals and Grippers Readily Available and Easy to Replace
Optional Seals: Viton®, Silicone, EPDM
The Self-gripping Design Provides Unparalleled Safety - the Greater the Test Pressure, the Greater The Grip.
The Griptight Test Plugs are Reusable. Drastically Reducing the Cost per Test By Up to 80% Compared to Welded-on End Cap