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Military Grade Navy & Coast Guard Approved ASME Compliant Liquid Level Gauges

Other Recommended Products:
Additional Information

Military-grade liquid level gauges available on BoilerSupplies.com are designed to meet the rigorous standards required for naval and coast guard applications. These gauges are manufactured to conform to military specification MIL-I-20037-B and are suitable for various high-demand environments.

Key Features:

Construction and Durability: These gauges are built with robust materials, including bronze construction with monel trim, viton seals, and polycarbonate tubes, ensuring long-lasting durability and reliability under extreme conditions​​​​.

 

Specifications:

  • Type 1 (Non-Automatic): Suitable for maximum working pressure up to 100 psi, without ball checks.
  • Type 2 (Automatic): Equipped with ball checks, suitable for maximum working pressure up to 300 psi.
  • Classifications:
  • Class A (General): Standard guard rod type protection for gauge glass.
  • Class B (Shielded): Tubular brass shield around gauge glass available upon request​​.

 

Shock and Vibration Resistance: The 104A Naval Shock-Proof Water Gauge meets high shock requirements of MIL-S-901C and vibration requirements of MIL-STD-167 for Type 1 vibration up to 25 CPS. Each unit is hydrostatically tested at 450 psi​​.

Approval and Testing: These units are Navy and U.S. Coast Guard (USCG) approved and are individually tested to ensure compliance with stringent military standards.

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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