971 Series regulators feature simple seat and counterbalanced valve. The ?top entry? design allows to execute maintenance operations without disassembling the regulator from the line. They assure high accuracy of the regulated pressure even when the inlet pressure is extremely variable. 971 Series is in conformity with the Pressure Equipment Directive PED 97/23/EC and is classified in Category III
Available Configurations
Type 971: Regulator
Type 971-E: Monitor
All 971 type regulators are available with or without Type SR Silencer
Body Size
DN 250 / NPS 10
End Connection Styles
CL300, CL600
Inlet Pressure Range
Allowable Pressure: Up to 100 bar / 1450 psig
Inlet Pressure Range: 1 to 100 bar / 1.45 to 1450 psig
Outlet Pressure Range
0.5 to 70 bar / 7.3 to 1015 psig
Temperature Capabilities
Standard Version Working: -10° to 60°C / 14° to 140°F
Low Temperature Version Working: -20° to 60°C / -4° to 140°F
Features
Accuracy Maintained with Variable Inlet Pressure
Easy Setpoint Adjustment
High Versatility for Different Applications
