keystone valves logo

Long Lasting Keystone Butterfly Valves with a Sturdy Reputation

Butterfly Valves with a reliable and robust construction, higher cycle life with lower total cost of ownership.

keystone valvesEmerson’s Keystone offer a complete range of butterfly valves from general purpose through to heavy duty and high performance models. With a tradition of more than 70 years, Keystone built its reputation on providing industrial process butterfly valves known for their reliability, long service life, and reduced operating costs. Independent, third-party life-cycle testing has shown that Keystone resilient-seated butterfly valves last 2.5 times longer than competitors’ butterfly valves.

Butterfly Valves

The complete range of butterfly valves extends from general purpose to severe service models used for isolation and throttling applications. It includes resilient seated valves for long service life and bubble tight shutoff; high performance valves capable of temperatures from cryogenic to 1500°F (815°C) and pressures to ASME Class 1500 (PN 260); double flanged valves in sizes up to NPS 120 (DN 3000) and lined valves suitable for highly corrosive liquids, gases and slurries. With a robust construction and a high cycle life, these valves will lower your total cost of ownership.

©2019 Emerson Electric Co