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美國(guó) Meriam 70H Accutube流量傳感器
名稱(chēng)：流量計(jì)
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簡(jiǎn)介：美國(guó) Meriam 0H系列高壓濕塔Accutube流量傳感器（帶一體三閥組和RTD傳感器）的詳細(xì)介紹 Series 70H 72H High Pressure Wet Tap Accutubes with Integral 3-Valve...
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美國(guó) Meriam 70H系列高壓濕塔Accutube流量傳感器（帶一體三閥組和RTD傳感器）的詳細(xì)介紹
Series 70H & 72H High Pressure Wet Tap Accutubes with Integral 3-Valve Head and Optional RTD
70H and 72H
Series 70H & 72H Accutube - Wet Tap. These Wet Tap style Accutubes provide the ability to access a pipe without service interruption. The integral 3-valve manifold head enables direct mounting of any DP or Multivariable transmitter having 21/ 8” center-to-center dimensions. The model 72H incorporates an integral RTD for temperature measurements. The RTD can be serviced without process shutdown or removal of the transmitter. The probe and head are constructed of 316LSS. Gear Drive or Socket Drive mechanisms are available. The 70H & 72H Accutubes are available for sizes 6” through 42”. Consult factory for larger pipe diameters or optional process connections.
• High pressure / temperature wet tap flow sensor with integral 3-valve head for direct mount DP or Multivariable transmitters
• Series 70H includes Integral RTD
• Gas, liquid and steam applications
• Standard sizes up to 42” pipe
• Pressure / temperature limit: 1000 PSIG max @ 800°F Max
Accuracy
• True double averaging design
• +1% of rate accuracy
• +0.1% repeatability
• Tested and certified by independent flow labs
Accutubes
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
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
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