Gauges made to handle the harshest conditions.

See our full line of SPAN Industrial Pressure Gauges.

See our SPAN Liquid Filled Series H.P. Industrial Gauges

Span™ liquid filled and dry gauges are manufactured by Thuemling. SPAN gauges include Xytel nylon or stainless steel casings, “no bubble” diaphram and custom options. These are the only made in USA pressure gauges and American made industrial gauges to provide these unique features. Find out more.

View our entire Duro United line.

Thuemling means quality.

For over 40 years, Thuemling has provided liquid filled and dry gauges to the industrial, fire, irrigation, mobile hydraulics, sub-sea, and sanitary industries. Find out more.