... 100mm), 6”(150mm) dial sizes availableBottom or back connection, front and back flanges, u-clamps.Vacuum to 10,000 psi ... silicone filled (or dry)NPT, BSP, PT and other special connection thread availablePolycarbonate, safety glass lens availablePsi, bar, Mpa ... , kPa, kg/cm2, Hg, single and dual scale availableIntegrated connection availableApplications: all types of HVAC & Industrial application ...