VATAC VANGO Dual Plate Check Valves are with Features as below:

Wafer Type Design, Dual Plate or Single Disc, Half Lug or Fully Lugged Types.

Design & Manufacture: API 594, API 6D or ISO
Pres-temperature Ratings: ANSI B16.34, DIN 2401 or ISO

Inspection and Test: API 598, API 6D

Size Ranges: 2" to 60"N. B.

Pressure Ratings: ANSI 150, 300, 600, 900, 1500, 2500 

End Connections: Flanged or Wafer Types

Materials: Carbon Steel, Stainless Steel, Duplex, Alloy, Cast Iron and Ductile Iron etc.or Equivalent, Available also in low temperature steels, low alloy steels and other exotic materials; Various trim materials available to suit different service conditions