ASC
Gruvlok® Diameter Tape Measure
- SKU:
- 0890802000
- Availability:
- Usually Ships Same Day
- Weight:
- 0.05 LBS
Description
Gruvlok® Diameter Tape Measure
Gruvlok® Diameter Tape Measure provides a convenient way to check the outside diameter of round pipe and tubing during grooved piping installation, inspection, fabrication, and maintenance work.
Designed for field use with Gruvlok grooved piping systems, this flexible measuring tape can be wrapped around cylindrical pipe to help verify pipe diameter before groove preparation, coupling installation, or dimensional inspection.
Product Highlights
- Gruvlok® diameter tape measure
- Gruvlok Fig. GLTAPE
- Manufacturer Part Number 0890802000
- Designed for measuring round pipe and tubing
- Flexible tape wraps around the pipe circumference
- Useful for verifying outside diameter in the field
- Helpful during grooved piping installation and inspection
- Compact hand tool for installers and maintenance personnel
- Useful with compatible Gruvlok grooved piping systems
Technical Specifications
| Product Type | Diameter Tape Measure |
|---|---|
| Brand | Gruvlok® |
| Figure | GLTAPE |
| Manufacturer Part Number | 0890802000 |
| UPC | 652808087648 |
| Tool Style | Flexible Diameter Measuring Tape |
| Primary Function | Checking Outside Diameter of Round Pipe & Tubing |
| Typical Use | Grooved Piping Installation, Inspection & Maintenance |
Construction & Function
The Gruvlok® Diameter Tape Measure is a flexible measuring tool intended for use around round pipe and tubing. Wrapping the tape around the outside circumference provides a convenient field method for checking the diameter of the pipe being inspected.
This type of measurement can be especially useful when confirming pipe dimensions before groove inspection, coupling selection, fabrication, or maintenance work.
Pipe Diameter Verification
Check Outside Diameter
The flexible tape wraps around the outside of round pipe or tubing, allowing installers and inspectors to check the diameter without relying on a rigid measuring tool across the pipe.
Useful in the Field
The compact tape format makes it practical for jobsite measurements where pipe outside diameter needs to be checked during installation, inspection, or troubleshooting.
Why Pipe Diameter Matters
Proper outside diameter is an important part of grooved piping installation. Gruvlok groove specifications identify pipe outside diameter as one of the dimensions that must be checked along with other groove dimensions when preparing pipe for compatible couplings and fittings.
A diameter tape provides a quick way to help confirm that the pipe being used matches the expected dimensional requirements before completing the piping connection.
Useful for Grooved Piping Systems
Installation Checks
Use the tape when checking pipe before or during grooved piping installation to help verify that the outside diameter is appropriate for the intended system components.
Inspection & Maintenance
The tape can also be useful when inspecting existing pipe, identifying unknown pipe dimensions, or confirming measurements during system maintenance and repair.
Typical Applications
Installation & Fabrication
- Grooved piping installation
- Pipe fabrication
- Outside diameter verification
- Groove preparation checks
- Coupling installation preparation
Inspection & Maintenance
- Field pipe measurement
- Existing piping inspection
- Maintenance measurements
- Pipe identification
- Fire protection piping work
How to Use a Diameter Tape
Wrap the tape evenly around the outside circumference of the pipe or tubing at the location being measured. Keep the tape flat against the surface and avoid twisting or angling the tape around the pipe.
For groove inspection or coupling installation, compare the resulting diameter measurement with the applicable Gruvlok dimensional requirements for the pipe or tubing being used.
Measurement & Selection Considerations
- Wrap the tape squarely around the pipe and keep it flat against the outside surface.
- Measure on a clean section of pipe without heavy scale, debris, coatings, or surface damage that could affect the reading.
- Confirm that the measured outside diameter corresponds to the applicable pipe or tubing specification.
- For grooved systems, verify all required groove dimensions rather than relying on outside diameter alone.
- Use the applicable Gruvlok groove specification for the specific pipe material and system being installed.

Willy and the GetPipe.com team can help with pipe outside-diameter measurements, Gruvlok groove specifications, coupling selection, and other grooved piping questions before you begin your installation.
Email the GetPipe.com Team Visit Quick SupportFrequently Asked Questions
What is the Gruvlok® Diameter Tape Measure used for?
It is a flexible measuring tool used to check the outside diameter of round pipe or tubing.
What is the Gruvlok figure number?
This product is identified as Gruvlok Fig. GLTAPE.
What is the manufacturer part number?
The manufacturer part number is 0890802000.
What is the UPC?
The UPC is 652808087648.
Why check pipe outside diameter?
Outside diameter is one of the important dimensions used when confirming that pipe is suitable for the applicable groove specification, coupling, or piping system.
Can this tape help identify an unknown pipe size?
It can help determine the outside diameter of round pipe or tubing. The measurement should then be compared with the appropriate pipe dimensional information to identify the corresponding nominal size.
Can the tape be used during groove inspection?
Yes. It can help check pipe outside diameter as part of an inspection, but all other applicable groove dimensions and tolerances should also be verified.
How should the tape be positioned?
Wrap the tape evenly and squarely around the pipe, keeping it flat against the outside surface without twisting or angling it.
Can surface buildup affect the measurement?
Yes. Heavy scale, coatings, debris, or surface damage can affect an outside-diameter measurement, so use a clean and representative section of pipe whenever possible.
Important Ordering & Use Notes
- This listing is for the Gruvlok® Fig. GLTAPE Diameter Tape Measure.
- Manufacturer Part Number: 0890802000.
- UPC: 652808087648.
- Use the tape as a measurement aid and compare readings with the applicable pipe and Gruvlok groove specifications.
- Always confirm all required pipe and groove dimensions before installing grooved couplings or fittings.