Petroleum Terminal Handling and Diesel Exhaust Fluid

Mi idwest Instrument Di ifferenti ial l Pressure Gauges A low cost differential pressure gauge for use in measuring the pressure drop across filters, strainers, separators, valves, pumps, chillers, etc., and for local flow indication and control. Specifications Case Material Aluminum or 316 stainless steel Fill Fluid Glycerin Lens Material Shatter resistant acrylic Dial White aluminum with black lettering Pointer Black aluminum Accuracy ± 3-2-3% Full scale (ascending) Wetted Parts Aluminum or 316 stainless steel Temperature Limits -40 °C(-40°F) to 93°C(200°F) ambient and medium Pressure Ranges 0-5 through 0-110 psid (0.35 to 7.0 bar) Sizes 2½” and 4½” Model 120 Connection 1/4" female npt Differential pressure is sensed by the movement of a floating piston magnet against a calibrated spring. The gauge pointer, outside the pressure housing, follows the movement of the piston magnet and indicates differential pressure. Available with magnetically actuated hermetically sealed CSA listed reed switches to provide high and low limit alarm or control. An optional maximum indication follower pointer provides automatic indication of maximum differential occurring during a time period or system cycle. Reversed pressure ports are optionally available to facilitate installation and readability depending on which side of a filter, etc., the instrument must be installed.

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