... 10”(250mm) dial sizes availableVacuum to 10,000 psi,. other ranges also available upon requestNPT, BSP, PT ... presses & machinery, motors, winches, Where vibration occurs & pressure fluctuates constantly.1-1/2”(40 mm), 2”(50mm), ... back flanges, u-clamps.Vacuum to 10,000 psi, other special connection thread availableGlycerin or silicone filled ... stem lengths, connections and configurations pressure gauge