The SVF Flow Controls Series B41 flanged ball valves are full-ported valves certified to the API-607 fire-safe design with an anti-static stem. The B41 is an ANSI Class 150#, available in carbon steel or stainless steel in sizes of a half-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 for seal-tight pressure containment even under thermal cycling; a built-in ISO 5211 mounting pad for direct mounting of actuators; and a selection of seats and seals for various industrial applications.