Fasani Bolted Bonnet Check Valves

Fasani Bolted Bonnet Check Valves

Fasani™ bolted bonnet type valves are manufactured to guarantee the highest performance in the widest spectrum of oil and gas applications.

Certifications ASME B31.1, India Boiler Registration, NACE
End Connection Butt Weld, Flanged
Application Waste to Energy, Steam turbine, Steam Headers, Pumps, Valves & Manifolds, HRSG, High Temp, Boilers, Biomass Boiler and Power Boiler, Balance of Plant, Boiler
Body Design Top Entry, Long Pattern
Material Stainless Steel, Metal, Duplex, Carbon Steel, Alloy, Stainless, Steel
Operating Temperature Standard Temperature (-40 - 250F), Standard Temperature, High Temperature, Greater Than 400 F (204 C)
Pressure Class ASME
Process Connection Type 300RF, 600RF, 900RF, CL150RF, CL300RF, CL600RF, Flanged, Weld end, 2500RF, 150RF, 1500RF
Seat/Seal Type Metal-to-Metal, Swing
Shutoff Class Class V (FCI 70-2)
Standards ASME B16.34
Valve Size 5 inch, NPS 2 / DN 50, 6 inch (DN150) and Larger, NPS 6 / DN 150, NPS 4 / DN 100, NPS 3 / DN 80, NPS 2-1/2 / DN 65
Valve Size Standard NPS
Valve Type Engineered Product


  • Swing check valves can fit on both horizontal and vertical (up-flow) piping.
  • Lift check valves are designed to be installed on horizontal piping or, with the aid of a spring, on vertical piping. They can also offer a quick closing service type.
  • Tilting disc check valves are designed to prevent the disc slamming and to ensure, at the same time, a quick closing service.
  • Standards for check valves design manufacturing are ASME B16.34 and BS 1868.
  • Robust valve body in a wide range of materials (NACE compliance included).
  • Threaded seat rings facilitate maintenance and/or replacement. On request, they can also be supplied as tack or seal welded. Above NPS 24 seats are seal welded as standard.
  • Connections are offered as flanged, buttweld or special, such as clamp type, to meet any customers’ request


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