For precision fit,
long life and reliable system protection.

Mueller Refrigeration protection devices include filter driers, sight glasses / moisture indicators and strainers engineered to perform reliably in extreme environments. Like all of our products, each protection device is built from the highest quality materials to exacting specifications for precision fit and long service life.

Protection Devices Masthead
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Style: Hermetically Sealed, Flare

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Quality & Technical Information

  • Design Pressure (DP) / Maximum abnormal pressure (MAP): 700 psig, 48 bar
  • Continuous operating temperature (COT): ‐40°F/185°F, ‐40°C/85°C
  • Contact factory or visit website for compatibility with CFC, HCFC, HFC and HFO refrigerants and oils
  • Designed for maximum flow and minimum pressure drop
  • Large viewing window and indicator for better visibility
  • Provides accurate identification of system conditions


  • Air Conditioning
  • Refrigeration
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Specifications & Technical Drawings

  • Hermetically Sealed, Flare – Dimensions – English / Metric