Data Sheet

Light weight and compact design
Type R622 Technical Specifications
• Maximum Inlet Pressure: Up to 125 psig
(8,62 bar)
• Maximum Outlet Pressure: Up to 5.2 psig
• Set Pressure Range:
• 1.8 to 2.2 inches w.c. (4 to 5 mbar)
[Maximum Inlet Pressure: 60 psig (4,14 bar)]
• 5-inches w.c. to 2.2 psig (12 mbar to
152 mbar)
• Body Sizes: 1/2-inch (DN 15) NPT
• Temperature Rating: -20 to 180 degree F
(-29 to 71 degree C)
• 3/4-inch Vent Connection
• 1/8-inch NPT Inlet and Outlet Gauge Taps
Materials of Construction
• Body, Spring Case, Diaphragm Plate and Orifice:
Aluminum
• Diaphragm, Disc and O-Ring: Nitrile (NBR)
For more information regarding this resource and our
products, contact:
1-800-558-5853
Outside U.S. 1-972-542-0132
Fax: [phone]
email: [e-mail]
Fisher Controls • Regulator Division • McKinney, TX 75070 USA
Trademarks are property of divisions of Emerson Process Management.
FISHERregulators.com
D350922X012 © 2004 Fisher Controls International, Inc. All rights reserved. Printed in the U.S.A.
Type R622 Operational Schematic