Butterfly Valves:

Butterfly valves control flow through a circular disc or vane by turning the valve's pivot axis at right angles to the direction of flow in the pipe. They are normally used as throttling valves to control flow.
Butterfly Valves: Learn more

Product Name Notes
Series 835 Butterfly Valve -- 835 Jamesbury brand, Series 835, reduced-rated ANSI Class 150, WAFER-SPHERE® high-performance butterfly valves are an excellent, cost-effective alternative for shutoff pressures up to 100 psi. The Series 835 provides the same...
Series 815 Butterfly Valve -- 815
Series 830 Butterfly Valve -- 830
Series 860 Butterfly Valve -- 860
Jamesbury brand, WAFER-SPHERE® high-performance butterfly valves are available in wafer and single-flanged lugged designs for dead-end service for ANSI class 150, 300 and 600 pressure class applications. The Wafer-Sphere high-performance...
Series K815 Butterfly Valve -- K815
Series K830 Butterfly Valve -- K830
Series K860 Butterfly Valve -- K860
Metso Automation's Jamesbury brand, Series K815, K830 and K860 cryogenic designs offer the same features and benefits as Series 815, 830 and 860, and are designed to operate in cryogenic...
Neldisc® with Zeroleak™ -- L1
Neldisc® with Zeroleak™ -- L2
Neldisc® series L1 is a wafer type and series L2 a lug type metal seated high performance butterfly valve. With close to equal percentage characteristics and superior tightness Neldisc butterfly...
Metal Seated Series -- LG
Metal Seated Series -- LW
Neldisc® wafer type LW and lug type LG series metal seated, high performance butterfly valves specially designed to fulfill the requirements of chemical, petrochemical, refining and pulp and paper industries.
Neldisc Butterfly Valve -- L12 Neldisc® series L1 is a wafer type and series L2 a lug type metal seated high performance butterfly valve. With close to equal percentage characteristics and superior tightness Neldisc butterfly...
Neldisc Butterfly Valve -- L6 Series L6 is a double flanged metal seated Neldisc® butterfly valve, for both control and tight shut-off applications. High reliability of the valve affects directly to operational cost of plant.
Neldisc Butterfly Valve -- S-Disc® The S-Disc® design offers all of the standard features found in Neldisc® high-performance butterfly valves, and adds a flow balancing trim located in the downstream side of the valve body.
Bottom Unloading Butterfly Valve -- WSRF
Bottom Unloading Butterfly Valve -- WSRR
The Wafer-Sphere® tank car butterfly valve is the most compact valve available for tank car service. Offers low initial and installation costs, with minimum skidding requirements, 100% unloading capability, and...