The Y696VR Series vacuum regulators are used where a decrease in vacuum must be limited, such as between a tank and vacuum source to control vacuum in a tank. A decrease in vacuum (increase in absolute pressure) on the diaphragm moves the disk away from the seat, allowing a higher vacuum source to return the system to the setpoint.
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Body Sizes and End Connection Styles
Cast Iron1-1/2 or 2-inch (DN 40 or 50) bodies with NPT end connections
Steel or Stainless Steel
1-1/2 or 2-inch (DN 40 or 50) bodies with NPT, SWE, 150 RF, 300 RF or PN 16/25/40 end connections
Hastelloy C
1-1/2 or 2-inch (DN 40 or 50) bodies with NPT, 150 RF or 300 RF
Vacuum Control Pressure Ranges
1-inch w.c. to 3 psig (2 mbar to 0,21 bar) in six ranges
Temperature Capabilities
Nitrile (NBR): -20 to 180°F (-29 to 82°C)
Fluoroelastomer (FKM): 40 to 300°F (4 to 149°C)
Perfluoroelastomer (FFKM): -20 to 300°F (-29 to 149°C)
Ethylenepropylene (EPDM): -20 to 275°F (-29 to 135°C)
Silicone (VMQ): -40 to 300°F (-40 to 149°C)
Additional Technical Data
For additional technical information,
contact your Local Sales Office or refer to technical documentation.
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