Weco® butterfly valves offer the ultimate in dependable, economical flow control. These field-proven valves are available from stock in 2 through 24-inch sizes and can handle working pressures up to 175 psi. For pressure ratings from 176 psi up to 285 psi, consult factory. Wafer, notched, and lug-type body styles meet requirements for new or existing flowline systems. Using a variety of materials, valve bodies, discs, stems, and seats can be individually matched to specific operating conditions, including temperature range, type and concentration of fluid, and various flow conditions. All materials meet ASTM and AISI standards.
Weco® Butterfly Valve Features and Benefits
Standard Materials of Construction
|
Valve Part |
Standard Material |
Optional Materials |
|
Seat & O-ring |
Nitrile (Buna N) (-20° F to 200°F) |
Hypalon®, Teflon®, Viton®, EPDM, Red Natural Rubber |
|
Body |
Ductile Iron |
Aluminum, Steel, Stainless Steel |
|
Stem (upper & lower) |
410 Stainless Steel |
316 Stainless Steel |
|
Disc |
Ductile Iron |
Aluminum Bronze, 316 Stainless Steel, Ryton®, Kynar®, Halar, Teflon® Coated, Nickel Plated, Hastelloy® |
|
Spirol/Retainer Pins |
302 Stainless Steel |
|
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