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3D Controls Skydrol Gauge
3D Controls Skydrol Gauge

3D Controls Skydrol Gauge

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3D Controls: Skydrol Gauge

Skydrol gauges are specially designed for use with a corrosive hydraulic fluid, namely Skydrol. 3D Skydrol gauges are designed specially to meet the challenging applicational requirements - specifically being designed to resist the effects of this corrosive hydraulic media. Nylon or stainless steel cases are fitted with glass crystals, and the stainless steel dials are done with a special Skydrol-resistant epoxy paint.

The Accu-Drive Skydrol 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 thirteen 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. In most instances, a standard 3D Accu-Drive Skydrol gauge can directly replace an "old fashioned" liquid filled Skydrol gauge without creating the maintenance headaches cited above. When compared to a liquid filled gauge, the Accu-Drive Skydrol 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 Skydrol gauges maintain their rated accuracy over the entire life of the gauge without the need for costly periodic recalibration. All 3D Skydrol gauges utilize the finest materials of construction. Pressure gauge case materials can be either Nylon or Stainless Steel with the helical bourdon tube constructed of 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 to 20,000 psi with an assortment of metric scales available.

The combination of lower cost of ownership, long service life, maintenance-free "direct drive" technology and robust design platform makes the Accu-Drive "Direct Drive Difference" Skydrol pressure gauges from 3D Instruments the ideal choice for your demanding hydraulic fluids pressure monitoring application.


Additional Features
  • "Direct Drive Difference" Inconel helical bourdon tube system features only 1 moving part and ensures conformance to accuracy specification for a period exceeding 6 years!!
  • Helical bourdon tube design provides superior performance as well as safety protection in high vibration/pulsation applications - no liquid filling of case required, ever!!
  • 2.5", 4.5" and 6" dial sizes with a variety of dual scale dials available in 3-15 psi or 3-27 psi with square root or linear scales Field-adjustable "dyna-mount" process connection and mounting flange on 4.5 inch ABS case
  • "True Zero" reading to verify system operation

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Product Literature (.pdf)