Keystone

Keystone is a US manufacturer specializing in butterfly valves. Its range spans rubber-seated to high-performance butterfly valves, complemented by actuator accessories such as solenoid valves and limit switch boxes. The brand is widely used in process piping across the refining, petrochemical, and power generation industries.

Keystone Products

• Keystone Series V30/V32 High Performance Butterfly Valve
• Keystone Series GR Resilient Seated Butterfly Valve
• Keystone Figure 320 Wafer / 322 Lugged Butterfly Valve
• Keystone Figure 1 Wafer / 2 Lugged Butterfly Valve
• Keystone Figure 221/222 Resilient Seated Butterfly Valve
• Keystone Figure 239/139/129 Butterfly Valve
• Keystone ParaSeal Butterfly Valve
• Keystone OptiSeal Figure 14/17 Butterfly Valve
• Keystone Figure 990/920 Butterfly Valve
• Keystone BrewSeal Sanitary Butterfly Valve
• Keystone Figure 360/362/370/372 Lugged Butterfly Valve
• Keystone Series HiLok High Performance Butterfly Valve
• Keystone K-LOK Series 36/37 High Performance Butterfly Valve
• Keystone Figure V11 Large-Diameter Butterfly Valve
• Keystone CompoSeal Butterfly Valve
• Keystone K-LOK Series 38 High Performance Butterfly Valve
• Keystone Figure 791 Solenoid Valve
• Keystone Figure 9 Butterfly Valve
• Keystone Figure 792 Limit Switch Box
• Keystone EPI-2 Electric Actuator
• Keystone Figure 79U/E/D Pneumatic Actuator