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YARWAY B302, B303, B318 AND B320 BIMETALLIC STEAM TRAPS AND AIR ELIMINATORS
SUMMARY OF INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
RATINGS AND SPECIFICATIONS
Specification
Operating Principle
Type
Size
Maximum Operating Pressure (psig)
Maximum Operating Temperature (°F)
Nominal Flow (lb/h at 100 psi;
near saturation, unless otherwise noted)
Maximum Back Pressure
(% of inlet; based on absolute pressure)
Minimum Differential Pressure (psi)
For additional information, please visit: https://www.emerson.com/en-us/catalog/yarway-p001408
VCIOM-12928-EN © 2019, 2022 Emerson Electric Co. All rights reserved 08/22. Yarway is a mark owned by one of the companies in the Emerson Automation
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prospective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be
construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are governed
by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such products at any time
without notice.
Emerson Electric Co. does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and maintenance of
any Emerson Electric Co. product remains solely with the purchaser.
Emerson.com
Series
B302
B303
Thermostatic
Bimetallic
½" - 1"
½" - 1"
1½" - 2"
247
464
482
572
1020
1158
99
7.3
B318
B320
½" - 1"
½" - 1"
1233
1595
932
977
303
2
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