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3D Controls Series-24 Process/Test Gauges

3D Controls Series-24 Process/Test Gauges

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Series-24 Process/Test Gauges

The Series 24 Accu-Drive pressure gauges incorporate the 3D Instruments signature "Direct Drive Difference" Inconel helical bourdon tube system. The "direct drive" concept couples the bourdon tube directly to the shaft-pointer, thereby streamlining the design and reducing the number of moving parts from approximately twelve down to one!! Thirty years of industrial application have proven that this design is vastly superior to the C-bourdon tube and movement system incorporated in other pressure gauges...especially for vibration and pulsation!!

In many severe service applications, the C-bourdon containing pressure gauges are filled with silicone to both dampen needle movement as well as lubricate their metal movements to extend service life. Besides adding additional cost to the price of the pressure gauge, the case fill liquid causes other operational difficulties…dial discoloration and potential shift of calibration just to mention two of them. The Series 24 "direct drive" gauges come with a dampening gel in the bearing. This "shaft dampening" approach isolates the pointer from vibration and pulsation, thereby eliminating the requirement for liquid filling of the gauge case. In most instances, a standard 3D Accu-Drive pressure gauge can directly replace an "old fashioned" liquid filled gauge without creating the maintenance headaches cited above. When compared to a liquid filled gauge, the Accu-Drive gauges have been shown to last as much as ten times longer in applications with extreme pulsation and vibration. The net effect of these benefits is a dramatic lowering of your cost of ownership!! Additionally, because of a lack of gears and wear points, the Accu-Drive series of pressure gauges maintain their rated accuracy over the entire life of the gauge without the need for costly periodic recalibration.

All Series 24 Accu-Drive pressure gauges utilize the finest materials of construction. Gauge case materials can be either Valox or powder coated aluminum and the bourdon tube is constructed on Inconel, a highly elastic material with excellent corrosion resistance. The wetted parts are of 316SS. The balance of the gauge hardware is designed to minimize corrosion associated with challenging field environments. The extremely robust bourdon tube system offers outstanding overpressure protection to 150% of full scale on pressure ranges from vacuum to 10,000 psi. Various case styles are available with measurement accuracies ranging from a 0.5% "process" gauge version to a 0.25% full scale "test" gauge version. Dial sizes of 2.5", 4.5" and 6" are available.

The combination of lower cost of ownership, long service life, maintenance-free "direct drive" technology, robust design platform and a wide array of pressure ranges makes the Series 24 Accu-Drive "Direct Drive Difference" pressure gauges from 3D Instruments the ideal choice for your demanding pressure monitoring or test and calibration applications.

 

Additional Features

  • "Direct Drive Difference" Inconel helical bourdon tube system features only 1 moving part and ensures conformance to accuracy specificationfor a period exceeding 6 years!!

  • Solid front construction for enhanced safety - helical bourdon tube design provides superior safety protection in high vibration/pulsation applications - no liquid filling of case required, ever!!

  • Superior over-pressure specifications...150% of full scale without a calibration shift.

  • Field-adjustable "dyna-mount" process connection on 2.5 and 4.5 inch Valox Case.

  • 4 1/2" Valox Turret style case has wall mounting holes

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Product Literature (.pdf)