GEFRAN, MELT PRESSURE TRANSDUCERS, MODEL: M5 SERIES , MECHANICAL MELT PRESSURE GAUGE All models are rugged, totally self-contained, and allow the user to benefit from the improved efficiency and quality that goes with pressure monitoring. The Gefran melt pressure gauge provides reliable, maintenance-free, localized pressure indication. The small capillary tube filled with a special medium isolates the gauge housing from potential thermal damage. MAIN FEATURES • Economically priced • 1.5 times overload capacity • Easy-to-read display • 1/ 2-20 UNF thread standard, M18 x 1.5 also available • 15-5 PH stainless steel diaphragm with Armoloy coating standard ( others available on request) • No power required • M50 The rigid stem configuration makes installation fast and easy. • M51 The flexible configuration is designed for applications requiring further thermal isolation or where installation would be otherwise difficult or impractical. • M52 The pressure/ temperature configuration requires only one mounting hole for the measurement of both process values.