.cls-1{fill:#003da6;}.cls-2{fill:#231f20;}masterflo Home Resources Company Careers R & D Events News Credit Application Contractor Orientation Contact Us Products Solutions Services Search PRODUCTS Master Flo’s choke valves, control valves and actuation are proven worldwide in the most demanding surface and subsea applications. Master Flo choke valves are relied on worldwide to provide reliable flow control in all service types. With over 100,000 choke valves manufactured, we have the expertise in choke valve sizing, custom trim and material selection for your specific application, custom engineering, and the life-of-field services to help you optimize production and lower costs. Choke Valves Control Valves Surface Actuation Subsea Choke Valves & Actuation Valve Features & Technology Trim Selection Master Flo Patents Products Solutions Services Home Resources Company Careers R & D Events News Credit Application Contractor Orientation Copyright 2018 Master Flo Valve Inc. Website Privacy Statement - Privacy Policy