Bolted Bonnet Piston Check Valves

Carbon & Stainless Steel

Class: 150 thru 2500

Size: 1" thru 24"

Piston Check Valves - API 6D

  • Basic Design: API 6D
  • Wall Thickness: API 6D
  • Face-to-Face Dimensions: As stated
  • Flange End Dimensions: ANSI/ASME 16.5
  • Butt-Weld End Dimensions: ANSI/ASME B16.25
  • Inspection and Testing: API 6D
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    Bolted Bonnet Valve Specifications:

    • Size Range: 1/4″ thru 24″ (6.35mm – 609mm)
    • Temperature Range: -20°F to 1200°F (-29°C to 650°C)
    • Pressure Ratings: ASME Classes 1690 – 4500
    • Body Materials: Carbon Steel, Alloy Steels, Stainless Steel
    • End Connections: Socket weld, Butt weld
    • Seat Materials: Disc-piston fully guided with CoCr alloy seating and guiding surfaces. The light disc-piston ensures maximum lift and low pressure drop.
    • Applications: Industrial Fluid, steam.