The 66R vapor recovery regulators respond to changes in blanket gas pressure and throttle open or closed to control the flow of the blanket gas out of the vessel. A vacuum source on the outlet of the regulator can be used to increase flow capacity of low-pressure blanket gas out of the vessel into a vapor disposal or reclamation system. The Type 66R uses a pilot to decrease buildup and provide even higher accuracy.
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Body Sizes and End Connection Styles
Cast Iron2-inch (DN 50) body size NPT or 125 FF end connections
3-inch (DN 80) or 4-inch (DN 100) body size 125 FF end connections
Steel or Stainless Steel
2-inch (DN 50) body size NPT or 150 RF end connections
3-inch (DN 80) or 4-inch (DN 100) body size 150 RF end connections
Pressure Registration
Type 66R: Internal (Standard) or External
Type 66RR: External
Set Pressure Ranges
Type 66R: 2-inches w.c. to 3 psig (5 to 207 mbar) in six ranges
Type 66RR: 3-inches w.c. to 3.25 psig (7 to 224 mbar) in seven ranges
Temperature Capabilities
Nitrile: -20 to 180°F ( -29 to 82°C)
Fluoroelastomer (FKM): 40 to 300°F (4 to 149°C)
Additional Technical Data
For additional technical information,
contact your Local Sales Office or refer to technical documentation.