Emerson R622 Data Sheet

Introducing the Type R622

Direct-operated, spring-loaded regulators provide
economical pressure reducing control in a variety of
residential, commercial, and industrial applications.

Type R622

Used with natural, manufactured, or liquefied petroleum gases

Features:

• Compact Design

• High Capacity

• Internal Relief

• Protective Inlet Screen

• Light Weight

• Inlet and Outlet Pressure

• Gauge Taps

• Ease of Maintenance

Applications:

• Residential

• Light Commercial

• Boilers

• Fast Acting Loads

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Type R622 Operational Schematic

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.

D350922X012 © 2004 Fisher Controls International, Inc. All rights reserved. Printed in the U.S.A.

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