Butterfly valves offer true isolation and control capabilities in a single product. Designed for accurate flow and pressure control, they are ideal in applications where positive isolation is required. Butterfly valves offer reliable high-cycle service for applications in the Oil & Gas (upstream and downstream), Energy (power and steam distribution), Chemical, Petrochemical, Pulp & Paper, HVAC (Institutional), Water and Waste Water Treatment, Life Science and Food & Beverage industries. Butterfly valves can replace gate, ball and globe valves very cost-effectively.
Our butterfly valves are in stock and ready for quick delivery.
Keystone Series 221/222
The Series 221/222 is a top quality, superior performing resilient seated butterfly valve built for the most demanding installations. We offer 2”-12” sizes in lug and wafer designs with various seat and disc options. Our bi-directional dead-end capability, up to 250 PSI, makes this design a preferred general utility option.
Keystone GRW/GRL
The Series GRW/GRL is a heavy-duty resilient seated butterfly valve with a field replaceable seat, available in a wide choice of materials for many demanding applications. With a pressure rating up to 230 PSI, this valve is the leader in performance. We offer an optional EPDM seat with a 300° F rating. These valves are available in 2”-36” sizes, in both wafer and lug designs.
Keystone Series K-LOK High Performance
The K-LOK High Performance Butterfly Valve offers unique features that allow the valve to exceed all other designs within its class. A high CV disc with a true interference seat makes the K-LOK the best performing product available for general and critical applications. The valves are available with PTFE, RTFE, elastomer, fire-safe and metal seats, in a wide range of body and disc materials from 2”-36” with optional direct mounting actuation to eliminate costly brackets and couplings.
