Flanged ValvesThe SVF Flow Controls Series B41 Flanged Ball Valves are high-performance, full-ported valves certified to API-607 fire safe design with Anti-Static stem. The B41 is an ANSI Class 150#, available in carbon steel or stainless steel in sizes ranging from ½-inch to 8 inches. All Series B41 valves feature a locking mechanism that can be fitted with an OSHA clamp for Lock-Out/Tag-Out service. Other features include:

  • An optional cast stem extension for installation in insulated piping systems;
  • Live-loaded stem packing ensures seal-tight pressure containment even under thermal cycling;
  • A built-in ISO 5211 mounting pad for direct mounting of actuators;
  • A selection of seats and seals for a wide range of industrial applications.