D. V. METER Division of Pyramid Corporation. Sales, service, repair and calibration to oil, water, gas and turbine meters and totalizers. Installation and calibration of all industrial instrumentation. Full field services by qualified journeymen instrument mechanics. Volumetric oil meter proving, pressure recorder rentals, liquid and gas meter rentals, exchange program on all reconditioned equipment in stock. SERVICE TO: Safety relief valves (ASVS approved) control valves, pneumatic and electronic controls, pressure gauges and switches, gas detectors, pressure and level transmitters. Control system upgrades and PM system maintenance.