G.A.L. Gage
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About G.A.L. Gage Company
G.A.L. Gage Company has built a well-earned reputation as a specialist in precision weld measuring and alignment tools. Based in Bridgman, Michigan, the company focuses on a tightly curated product line engineered to meet the exacting demands of professional welders, quality control inspectors, and fabrication shops across a wide range of industries — from petrochemical plants and nuclear power facilities to shipbuilding and industrial hydraulics.
Precision Weld Measuring Gauges
Weld measuring accuracy is not optional — improper welds can lead to catastrophic failures in piping, structural, and pressure systems. G.A.L. Gage addresses this need with a comprehensive family of weld inspection gauges designed to check critical parameters quickly and reliably. Their lineup includes the iconic HI-LO Welding Gauge, the multi-purpose Bridge Cam Gauge, the Adjustable Fillet Weld Gauge, and the 7-Piece Fillet Weld Set, among others.
The HI-LO Welding Gauge — available in both inch and metric — measures internal pipe alignment after fit-up, helping to eliminate costly radiographic rejects. The Bridge Cam Gauge covers an impressive range of measurements, including angle of preparation, excess weld metal, depth of undercut, depth of pitting, and weld throat size, all in a single compact tool. Many G.A.L. Gage instruments are available with NIST standard certification, making them suitable for applications where traceability to national standards is required.
Whether you need fixed-size weld measuring keys for repeated pre-inspection checks, adjustable fillet gauges for variable weld sizes, or pit depth gauges for surface evaluation, G.A.L. Gage offers a solution built to last — most models are constructed from durable stainless steel and are available in both standard and metric configurations.
Gap-A-Let® Socket Weld Contraction Rings
One of G.A.L. Gage's most innovative product offerings is the patented Gap-A-Let® socket weld contraction ring. This unique split ring is engineered to automatically provide the precise 1/16" minimum gap required for socket welds, in compliance with ANSI 31.1, ASME, and military codes. By eliminating the manual gapping process, the Gap-A-Let® ring can dramatically reduce socket weld fit-up time — in some workflows cutting the process to a fraction of the traditional time investment.
Gap-A-Let® rings are manufactured from certified stainless steel, offering excellent resistance to corrosion from chemicals, radioactive materials, and water. Once seated in a fitting, the ring's spring tension holds it firmly in place, and it becomes a permanent part of the joint. Standard rings cover pipe sizes from 1/4" NPS to 2" NPS with machine precision, while Heavy Duty rings handle sizes from 2-1/2" NPS to 4" NPS. Non-standard sizes are available by request.
Who Uses G.A.L. Gage Products?
G.A.L. Gage tools are trusted across a broad spectrum of demanding applications, including power piping (nuclear and conventional), industrial hydraulics, railroad air brake piping, petrochemical plants, fertilizer facilities, and shipbuilding. Any professional environment where weld quality is a safety-critical concern is a natural fit for the precision and reliability that G.A.L. Gage products deliver.
With a focused product line that prioritizes quality over quantity, G.A.L. Gage Company remains one of the most respected names in weld inspection tooling — a go-to source for professionals who simply cannot afford to get it wrong.