美国 Meriam 40H Accutube流量传感器
名称：流量计
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简介：美国 Meriam 40H系列插入式带一体三阀组Accutube流量传感器的详细介绍 Series 40H Insertion Accutube with Integral 3-Valve HeadAccutubes Meriams Acc...
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美国 Meriam 40H系列插入式带一体三阀组Accutube流量传感器的详细介绍
Series 40H Insertion Accutube with Integral 3-Valve HeadAccutubes
Meriam’s Accutube Flow Sensors are lab-tested and field-proven flow elements perfect for gas, liquid or steam service. With thousands in use worldwide, the Accutube continues to be the right choice when ease of installation, cost effective operation and highly accurate performance is required.
The Accutube averaging Pitot tube is a head type device, which generates a differential pressure signal similar to the orifice, venturi, flow nozzle, and other head producing primary elements. It can be used for flow measurement only or with static pressure and temperature transmitters as the primary measurement source for a flow control loop. It has been proven that the Accutube’s flow measurement accuracy is better than that of the orifice. The Accutube also generates considerable cost savings with its simple installation and wear-free, energy-efficient design, providing a viable alternative to traditional flow measurement devices.
Confidence
• Testing by the Utah Research Laboratory-Utah State University, the University of Michigan and testing against NIST traceable Meriam flow elements confirm typical accuracy of ±1% of rate
• Material Certification and Certificate of Conformance per customer specification are available
• Certified welding fabrication to ASME Code, Section IX Procedures.
• Dye penetrant and hydrostatic testing capability
• Canadian registration number
Accuracy
• True double averaging design
• +1% of rate accuracy
• +0.1% repeatability
• Tested and certified by independent flow labs
Convenience
• Applicable to gases, liquids, steam
• Simple installation and maintenance
• Four standard models and probe sizes: Insertion, Flanged, Wet tap with socket or gear drive retraction, Integral three-valve manifold, optional
• Bi-directional flow sensing
Efficiency
• Low permanent head loss saves energy and cost
• Multiple tube design offers superior strength and clog resistance
• Unaffected by wear
• No system shutdown with wet tap model
• Ideal for flow system upgrades and expansions
• Integral 3-Valve head option saves installation piping and transmitter mounting time
• Gear Drive wet tap reduces insertion and retraction time
Series 40H / 42H Accutube - Single Mount. These accutubes have a probe constructed of a 316LSS, with a 16LSS integral 3-valve head. Both have a single-mount support and are installed through a compression fitting and thredolet (included). The 40H and 42H are designed to mount a 21/ 8” center-to-center DP transmitter using O-rings. ¼” FNPT connections are also included in the design. The 42H model incorporates an integral RTD for temperature measurements. Series 40H & 42H Accutubes are available for sizes 6” through 42”.
• High pressure / temperature insertion type flow sensor with integral 3-valve head for direct mount transmitters
• Integral RTD option with series 42H & 43H
• Gas, liquid and steam applications
• Standard sizes up to 72” pipe
• Pressure / temperature limit: 1500 PSIG max @ 800°F Max
