Butterfly valve. Valves and are generally made of
plastic or steel, the latter being the most widely used in chemical and
petrochemical applications. Steel grades range from the most common
type, namely carbon steel, with standard stainless steel being the
second most common. Stainless steel alloys, which include nickel or
copper are used in applications that require higher corrosion or heat
resistance. In such cases, the most commonly used valve configurations
-- ball valves, gate valves, check valves, globe valves and butterfly
valves -- are often forged or cast as duplex valves, super duplex
valves, alloy 20 valves, monel valves, inconel valves, incoloy valves
and 254 SMO valves (6Mo valves). Titanium valves are also used in some
highly corrosive applications. Titanium is not a stainless steel alloy.
Design: Seal on Body, Seal on Disc, High Performance – Double & Triple Offset.
Typical Applications: Gas Processing, Petrochemical, Chemical, Water & Sewage, Power and Mining.
End Connections: Wafer, Lugged and Double Flanged (ANSI & AS4087)
Pressure Class Range: ANSI Class 150 to 900, PN10 / PN16 / PN25 / PN40 / PN64
Sizes: DN50 to DN3600 (2" to 144").
Body Materials: Carbon Steel, Stainless Steel, Cast Iron, Ductile Iron, PFA / PTFE Lined.
Seat & Seal Materials: Virgin PTFE, Reinforced PTFE, PFA, Viton, NBR, EPDM and Metal.
Accessories: Actuators, Limit Switchboxes, Solenoids, Extensions and Special Adaptions.
Quality: Pressure Tests – API 598, Fire Tests – API 6FA, API 607.
Standards: Design, Production and Testing: AS, ASME, ANSI, API, and ASTM. Quality System: EN ISO 9001:2008, EN ISO 14001:2004.
