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WRA171 Series High Precision Vacuum Regulator
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WRA171 Series High Precision Vacuum Regulator
Brand: Wilkerson CorporationThe WRA171 is a high accuracy vacuum regulator that provides uniform vacuum regulation independent of vacuum supply changes and flow demand. This unit has a diaphragm assembly with three springs to provide a more balanced loading of the diaphragm.
Features- Control sensitivity of 0.125" (0.32 cm) water column allows use in precision applications
- Balanced supply valve minimizes effects of vacuum variation
- Aspirator tube compensates for downstream pressure droop under flow conditions
- A separate Control Chamber isolates the diaphragm from the main flow to eliminate hunting and buzzing
- Construction allows servicing without removing from the line
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Specifications
Brand
Vacuum Supply Maximum
- 29.92 Hg (760 Torr)
Flow Capacity
- 3 scfm @ 650 Torr Sypply, 250 Torr Set Point
Vacuum Supply Effect
- Less than 1 Torr for 100 Torr (.04 Hg for 3.94 Hg) Change in Vacuum Supply
Sensitivity
- .125" (.005 psig) (.32 cm) Water Column
Ambient Temperature
- -40° to +200° F, (-40° to 93° C)
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