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H400 Check Valves - H400-A

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Instrumentation Valves & Fittings > H400 Check Valves > H400-A
HAM-LET H400-A CHECK VALVES

To download a PDF of the Ham-Let H400-A Check Valves section (214 kb) please click on the PDF icon - >

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FEATURES

  • 316 St.St. or Brass Construction
  • Interchangeable Parts
  • Variable Adjustable Cracking Pressure Ranges
  • Pressure Characteristics: up to 3000 psi
  • HAM-LET LET-LOK® Fittings, Male NPT, and HTC® Face Seal Bead

GENERAL

The H400-A Series is a compact design for moderate-pressure (up to 3000 psi) instrumentation panels and systems, and provides an accurate and adjustable operating point. H400-A valves are normally closed. When the differential pressure between the inlet and the outlet is higher than the set pressure of the spring, the loaded poppet will move backwards and provide a free passage for flow through the valve.
HAM-LET H400-A CHECK VALVES
HAM-LET H400-A CHECK VALVES DIMENSIONS & ORDERING

CLEANING & PACKAGING

HAM-LET H400-A valves are treated with HAM-LET Passivation, Cleaning and Packaging (Procedure 8075). HAM-LET H400-A valves with face-seal end connections are treated with Ham-Let Oxygen Cleaning and Packaging (Procedure 8055). Oxygen cleaning and packaging for other end connections are available as an option.

TESTING

The H400-A valve designs have been tested for Proof and Burst. Every H400-A valve is factory tested for proper assembly, by leak detection at 1000 psig (68 bar) for 10 seconds. Every H400-A valve is factory tested for functionality at the relevant cracking pressure, 5 cycles each.

To download a PDF of the Ham-Let H400-A Check Valves section (214 kb) please click on the PDF icon - >

 PDF Brochure Link icon

Instrumentation Valves & Fittings > H400 Check Valves > H400-A

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