The Logiball Deflection Gauges use a nine arm design to make sure the pipe is accurately tested. All steel construction, their lengths are at least the nominal diameter of the pipe. Stainless steel construction also available.
Available for 5% or 7.5% deflection for 6″ to 21″ pipe. Larger sizes available on request.

Precisely machined proving rings are available for 5% or 7.5% deflection gauges.
| Deflection Gauge | |||
| Product # | Description | Pipe Diameter | |
| inches | mm | ||
| GAB-6 | 6″ Deflection Gauge | 6 | 150 |
| GAB-8 | 8″ Deflection Gauge | 8 | 200 |
| GAB-10 | 10″ Deflection Gauge | 10 | 250 |
| GAB-12 | 12″ Deflection Gauge | 12 | 300 |
| GAB-15 | 15″ Deflection Gauge | 15 | 375 |
| GAB-18 | 18″ Deflection Gauge | 18 | 450 |
| GAB-21 | 21″ Deflection Gauge | 21 | 525 |

