R622 Series

Fisher Regulator
Second-Stage Regulators

Features

• Improved Accuracy
• Superior Relief Performance
• Corrosion-Resistant Materials
• Inlet Screen
• Test Ports for Easy System Checks
• Positive Drainage
• 20-Year Recommended Replacement Life
• UL Listed

Specifications

• Available Configurations:
  Type R622 (standard): Second-stage regulator with straight-through body design
• Body Sizes and End Connection Styles (inlet x outlet):
  Type R622: 1/2-inch FNPT, 1/2 x 3/4-inch FNPT, and 3/4-inch FNPT
• Maximum Inlet Pressures:
  Maximum Inlet Pressure: 10 psig / 0,69 bar
  Emergency Inlet Pressure: 50 psig / 3,4 bar
• Capacity: Up to 1.4 MBTU/hr
• Outlet Pressure Ranges: 9 to 20-inches w.c. / 22 to 50 mbar
• Pressure Registration: Internal
• Temperature Capabilities: -20° to 160°F / -29° to 71°C
• Approximate Weight:4 Pounds / 635 grams