Featured Products

  • Mustang® Pressure Regulating Vaporizer Sampling System The Mustang® Pressure Regulating Vaporizer Sampling System (MPRVSS or NGL Sr.) is a technology designed to vaporize liquid providing a fresh sample to a continuous online analyzer. This system is designed with enhanced sample quality, through controlled vaporization and remixing, and gas sample pressure[…]

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    Mustang® Pressure Regulating Vaporizer Sampling System

  • Models 762, 763, 765, 766 and 767 gas loaded relief / back pressure control valves are specifically designed to regulate and control maximum pipeline pressures or to maintain a minimum back pressure in a system.

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    DANIEL Measurement 700 Series Relief Back Pressure Valves

  • Bio Gas Sampling System

    The Mustang® Bio-Gas Sample Conditioning System (MBGSCS) is designed for the bio-gas industry to maintain a representative sample of low pressure feed gas. For farm and agricultural waste operations renewable energy programs. REPS, renewable energy credits are available to landfill owners and farmers that are able to produce natural gas[…]

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    MUSTANG BIO-GAS Online Sampling System MBGSCS

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  • YZ Systems DynaPak Gas Samplers

    YZ samplers are designed to deliver a representative sample of natural gas or light liquids. The DynaPak sampling system has become the industry standard in simplicity and reliability.  Whether sampling condensate on an offshore platform or natural gas on shore you can have confidence the Dynapak will provide years of[…]

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    YZ Systems DynaPak Gas Samplers

  • NJEX Odorant Injection Systems

    NJEX offers a complete systems approach for all of your odorant injection applications.  When you select a skid packaged system you will receive a factory assembled skid, designed specifically to deliver many years of odor free service. This approach will also dramatically reduce time and expense normally associated with commissioning odorant[…]

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    YZ Systems NJEX Odorizer

  • The Danalyzer 500 Gas Chromatograph is the industry’s most trusted analyzer for natural gas custody transfer applications. This air-less heat-sink style GC has a unique “open-oven” design that is also ideal for very rich gases or natural gas liquids (NGL) that require very high temperature heating for the sample lines.[…]

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    500 Gas Chromatograph

  • The Danalyzer 370XA is designed to simplify natural gas measurement analysis in Fiscal and Custody Transfer applications and improve the measurement performance of your C6+ BTU/CV analysis.

    A unique benefit to the 370XA is its Maintainable Module™ technology, which allows the operator to easily replace the GC module in the field in under two hours, greatly reducing downtime and overall operating costs.

    For additional information, please visit RosemountAnalytical.com

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    370XA Gas Chromatograph

  • Daniel_LiquidTurbine

    Award-Winning Turbine Meters Widely preferred for their low-cost of installation, maintenance and ownership, Daniel liquid turbine flow meters offer high accuracy and repeatable measurement under the most demanding conditions of custody transfer applications. Typical installations include crude oil and refined product pipelines, marketing terminals, tank farms as well as mobile[…]

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    DANIEL Liquid Turbine Flow Meter

  • The Pony® Heated Probe Enclosure is a patented designed to provide and maintain heat for the sample probe directly at the sample point with a remote mount Mustang® Sample Conditioning System (MSCS). The Pony® probe enclosure is an integral part of the MSCS, developed to install between 6” center‐to‐center thread‐o‐lets.[…]

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    MUSTANG PONY Heated Probe Enclosure

  • Magnetrol_961-962 Echotel

    ECHOTEL® 961 AND 962 SINGLE AND DUAL POINT ULTRASONIC LEVEL SWITCHES Increasing demands for compliance with safety systems and overfill protection have mandated more reliable point level measurement. Echotel® Models 961 and 962 ultrasonic level switches meet these demands with advanced transducer designs, extensive hazardous location approvals, and a new[…]

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    Magnetrol ECHOTEL 961/962 ULTRASONIC LEVEL SWITCHES

  • Overview SpectraSensors SS2100 Gas Analyzers are exceptionally reliable for measuring trace gas components using Tunable Laser Diode (TDL) technology. TDL absorption spectroscopy is a high-resolution infrared technique that enables the measurement of specific gases with precision while avoiding interferences that are common with traditional infrared analyzers. The SS2100 is certified[…]

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    SpectraSensors SS2100 TDL Analyzers

  • ECLIPSE® MODEL 706 HIGH PERFORMANCE GUIDED WAVE RADAR TRANSMITTER The NEW Eclipse® Model 706 high performance transmitter is a loop-powered, 24 VDC level transmitter that is based upon the proven and increasingly accepted technology of guided wave radar (GWR). Encompassing a number of significant engineering accomplishments, this leading edge level[…]

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    Magnetrol ECLIPSE® MODEL 706

Founded in 1941, Davis and Davis Company supplies industry leading Oil, Natural Gas and Liquid Measurement products and systems. We design, build and support custom fabricated Liquid Load-Out skids, Custody Transfer Metering Stations, CEMS Packages and process analyzer shelters. We deliver integrated solutions with full electrical, piping and tubing, tested and ready for installation and operation.

Proactive customer focused support has built our reputation for excellent service with a broad range of technical knowledge of the natural gas and liquid measurement industry. We represent the highest quality manufacturers of flow, level, analytical and safety equipment.

We thrive on providing solutions to challenging applications, educating our customers and welcome the opportunity to prove our service by providing it!

Let us prove our service by providing it!