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United Brass Model 363 & 364 Continuous Blowdown Valve

Additional Information

Keep Boiler Water Clean with Minimal Loss

Continuous Blowdown (CBD) valves — also called surface blowdown valves — continuously remove concentrated water from the boiler surface to control dissolved solids and maintain steam quality.

Intermittent Blowdown (IBD) valves, located at the bottom of the boiler, remove heavier sediment. Both work together to keep boiler water clean and protect the system.

 

How CBD Valves Work:

  • CBD valves drain from the surface where salt concentration is highest, replacing it with clean feed water. This keeps salinity and alkalinity in check, improves steam quality, and minimizes water and heat loss — typically less than 1% of evaporation volume.
  • Using flash tanks and heat exchangers allows recovery of valuable heat energy. Regular valve adjustments help maintain ideal boiler water chemistry.

 

United Brassworks CBD Valves:

  • Angle and globe patterns available

  • Easy-to-read calibrated gauges with pointers

  • Designed for reliable, efficient continuous blowdown control

In-stock orders eligible for small-pack shipments placed before 2:00 PM EST, Monday through Friday, will ship the same day. If ordered after 2:00PM EST, it will ship the following business day.

Items to be returned must be approved by Power Plus International, Inc. DBA Boiler USA, and may be subjected to a restocking fee

Notice: Due to the uncontrollable metal costs, all prices and delivery times are subject to change on a daily basis.

PPI™ and Power Plus International™, and related marks and logos displayed on the Site, are our trademarks and may not be used in any way without our prior express written permission. Nothing contained on the Site shall be construed as granting, by implication, estoppel or otherwise, any license or right to use any of our marks displayed on the Site without our prior express written permission. All other trademarks not owned by us that appear on this Site are the property of their respective owners.

*NOTE: The products described herein are not manufactured by Patterson-Kelley nor is Power Plus International, Inc. DBA Boiler USA in any way associated or affiliated with "PK", Patterson-Kelley, or Harsco Corporation.

Contact Us Directly:
Mailing Address:
  • Power Plus International, Inc. DBA Boiler USA
  • 143 McDonough Parkway
  • McDonough, GA 30253
Contact Us Directly:
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© 2026 Power Plus International, Inc. d/b/a Boiler USA, All Rights Reserved.
Mailing Address:
  • Power Plus International, Inc. DBA Boiler USA
  • 143 McDonough Parkway
  • McDonough, GA 30253
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