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Check Valves / Metal Body / Dual Plate

NEPTUNIA – DUO check valve DN 50-600

DUO check valve, for mounting directly between flanges according to DIN. Maintenance not required. For liquids and gases in the industrial range, general services, water treatment. Not suitable for media with solid components. Available in retainerless design for high pressures and temperatures.

Norms & certificates
CE LLOYDS
Neptunia

Technical Specifications

Market segments+
  • Water
  • Fire Protection
  • Water Treatment Plants
  • Power Generation
  • Pulp & Paper
  • Chemical Processing
  • Oil & Gas
  • Marine
  • HVAC and Swimming Pools
  • District Cooling/Heating
  • Mining/Slurry
  • Air Separation
  • Steel Industry
Body type+
  • Dual Plate Check
Connection end+
  • Flanged
Tightness+
Uni-directional
Temperature range (+/–)+
  • -20 – +200 °C
Working pressure (max.)+
10bar 16bar 20bar 25bar 40bar 50bar
Nominal diameter (DN)+
  • 50 mm / 2″
  • 65 mm / 2½″
  • 80 mm / 3″
  • 100 mm / 4″
  • 125 mm / 5″
  • 150 mm / 6″
  • 200 mm / 8″
  • 250 mm / 10″
  • 300 mm / 12″
  • 350 mm / 14″
  • 400 mm / 16″
  • 450 mm / 18″
  • 500 mm / 20″
  • 600 mm / 24″

Downloads

  • NEPTUNIA-C - duo check valve, metallProduct Datasheets 2142
  • NEPTUNIA-D - DUOcheck valve, metallProduct Datasheets 2028
  • NEPTUNIA-DR - Duo check valve, metallProduct Datasheets 2029
  • NEPTUNIA-V - duo check valve, metallProduct Datasheets 2224
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