Butterfly Valves with a reliable, robust construction, and higher cycle life with lower total cost of ownership
Keystone offers 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.
Keystone Figure 360/362 and 370/372 K-LOK High Performance Butterfly Valve
K-LOK Figure 360/362 unique two-piece shaft and double-offset disc/shaft design allows for high cycling and creates a lower disc profile with increased capacity.
The Keystone Series GR is a general purpose resilient seated butterfly valve available in flanged, lugged or wafer body style for any service where drop-tight shut-off and maximum flow area is required.
All makes and models of valves and actuators can be serviced by our experienced technicians. We can perform inspection and repair services both in our shop and at your facility.
Isolation, gate, globe and check valves
Ball, butterfly and plug style valves
Electric, pneumatic and hydraulic actuators
Pressure relief valves including tank relief assets
Integral Shop and Field Welding capability
Field & Depot Services
Our repair technicians are available 24/7 to meet your services requirements. Shop repair as well as full field service is only a phone call away. Our 53’ Mobile Machine shop and various tooling trailers are ready to mobilize at a moment’s notice.