Body Sizes and Materials
Cast Iron, Steel or Stainless Steel
NPS 2 / DN 50
NPS 3 / DN 80
NPS 4 / DN 100
End Connections
NPT, CL125 FF, CL150 RF
Maximum Inlet Pressure
Type 66R: 8 psig / 550 mbar
Type 66RR: 10 psig / 690 mbar
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
Pressure Registration
Type 66R: Internal (Standard) or External
Type 66RR: External
Temperature Capabilities
Nitrile: -20° to 180°F / -29° to 82°C
Fluorocarbon (FKM): 40° to 300°F / 4° to 149°C
66R Approximate Weights
NPS 2 / DN 50 NPT: 50 Pounds / 23 kg
NPS 3 / DN 80 NPT: 100 Pounds / 45 kg
NPS 4 / DN 100 NPT: 155 Pounds / 70 kg
66RR Approximate Weights
NPS 2 / DN 50 NPT: 65 Pounds / 29 kg
NPS 3 / DN 80 NPT: 115 Pounds / 52 kg
NPS 4 / DN 100 NPT: 170 Pounds / 77 kg
Additional Technical Data
For additional technical information, contact your local Sales Office or refer to technical documentation.
