Description
The Model 1931 4-1/2" SOLFRUNT process gauges have an aluminum back-flanged case for applications needing stem or wall mounting. These models are available with wetted surface material in brass/phosphor bronze or 316L stainless steel. They are available dry or liquid filled from the factory or your local stocking distributors, or can be ordered with a liquid fill kit for filling in the field.
Model 1931 4-1/2" SOLFRUNT gauges are supplied in 18 vacuum, compound, and pressure ranges from 30" Hg vacuum through 11600 psi. The low-connected aluminum back-flanged case can be easily liquid filled in the field using the appropriate conversion kit.
Span adjustments can be accomplished from rear of case without disturbing the gauge internals. Pointer adjustments are easily made by removing ring and window.