NRS Series

Company Name : Hale Hamilton
Description

NRS and NR are ranges of spring-loaded, non-return or check valves. They are suitable for use with gases or liquids to prevent reverse flow in high-pressure lines. The NRS range is sealed by an elastomer O ring. The NR range is hard seated. The main closing force is provided by the process pressure. The spring ensures that the valve will close at any orientation. The internal design of the valve ensures that there is minimal restriction to flow.

Technical Data

Standard Materials (Alternative materials can be supplied)
  • Body: Nickel Aluminium Bronze, Brass, Monel or Inconel
  • Spindle: Stainless Steel or Phosphor Bronze
  • O rings: Nitrile, Viton or EPDM
  • Hard seat: Copper
Standard Specification (See datasheet for specification of individual types)
  • Temperature range: -20 to +70°C (extended temperature range versions can be supplied)

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