Welcome to Danube

Check Valves

Hex Bar Needle Valves
PANAM check valves are machined with designer durability and maximum efficiency for flow control of gases and fluids in corrosive, and hazardous, environments. They are used in process control, instrumentation, and flow control applications.

General Product Features

  • 316 Stainless Steel or A105 Carbon Steel Construction
  • Precision machined with designer durability and maximum efficiency
  • Variety of End Connections: Male / Female threaded NPT, BSP, BSPT, ISO, DIN and JIS tapered pipe ends
  • Standard PFTE packing, however GRAFOIL is available upon request for high temperatures
  • Complete heat code traceability
  • Each valve is 100% factory tested for both crack and reseal
  • ISO 9000 Certified
  • Orifice: 0.078″ to 0.656″ (2.0 mm to 16.7 mm)
  • CV Factor: 0.18 to 6.56

Pressure Ratings

  • 1/8″ to 3/4″ 316 stainless steel is 5000 PSI cold working pressure (CWP) (345 bar)
  • 1″ 316 stainless steel is 3000 PSI CWP (207 bar)

Temperature Ratings

  • Viton: 26°C to 190°C (-15°F to 375°F)
  • Fluorocarbon rubber: -26°C to 204°C (-15°F to 400°F)
  • Buna-N rubber: -34°C to 135°C (-30°F to 275°F)
  • Neoprene rubber: 43°C to 121°C (-45°F to 250°F)

Quality Test Procedure

  • Nitrogen Gas at 1200 psi (80 bar) to ensure no leakage at seal and seat
  • Hydrostatic test with pure water at 1.5 times maximum working pressure (MWP)
  • Optional tests including Helium and Temperature available upon request