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The Seraphin skid prover system is made up of a precision volumetric stainless steel Prover connected to a pump-off system and mounted on skid. The prover drain valve is plumbed to piping that can be routed via butterfly valves to a gravity drain or to the pump. A manual hose reel, with hose and nozzle, is connected to the pump. The hose is used to route the petroleum to an above ground storage tank or up into a tank truck.
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Laboratory volume standard Seraphin Test Measures
Laboratory Measures Series C: Bottom Drain Slicker Plate Measures
These small drain bottom measures are designed specifically for accurate testing of small meters and testing the accuracy of other measures in a metrology laboratory. Specifications and outstanding features include a neck that is machined perpendicular to axis so that excess liquid can be sheared off by sliding a slicker plate across the top of the neck; a stainless steel quick closing butterfly drain valve and an overflow trough.
High Accuracy Neck Series M: Bottom Drain Graduated Neck Measures
These small drain bottom measures are The "High Accuracy" type neck has at least 1.5% of the prover volume and a smaller diameter to achieve greater neck volume resolution. This Series M Prover has all the outstanding features of the Series J. Due to the greater resolution it is a favorite of laboratory meterologists. Seraphin® Series M provers come standard with a three piece S/S ball valve. Our Series M & C provers are sent to a NVLAP facility for calibration to assure NIST traceability with uncertainty values. Other types of calibration are available.
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Moving up in the heavyweight class, Seraphin® produces heavy duty provers for testing tank trucks, containers, testing tanks and large volume meters. These are all made with the same accuracy and attention to detail and quality as the smaller test measures. A prover has a bottom drain and a graduated neck . Seraphin® provers are easy to use, reliable, and low cost way to measure the output accuracy of liquid metering equipment. All Seraphin® provers are manufactured of type 300 Stainless Steel eliminating the interior coating required of carbon steel models and therefore are corrosion resistant over an indefinite period of time. Many Seraphins® are still in use after decades of use. They are built and calibrated to the latest OIML R-120, Measurement Canada, API and NIST handbook 105-3 standards. Seraphin's® provers are used world wide and are considered the de-facto leader in the industry.
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