Swagelok's FKB series medium-pressure ball valve delivers consistent sealing across a full range of pressures

Designed for improved cycle life in the field, the Swagelok FKB series medium-pressure ball valve provides a leak-tight seal for applications up to 15 000 psig (1034 bar). The trunnion-style ball valve features Swagelok’s direct load design, which delivers a more consistent seal across a range of pressures.

Stem and end connection seals prevent shell leakage and provide robust cycle life, even in severe conditions. Swagelok medium-pressure ball valves deliver reliable and repeatable operation to meet the performance requirements of common off-shore applications, such as topside wellhead control panels, chemical injection panels, well workover panels and control systems. A bottom-loaded stem design eliminates system blowout for enhanced operator safety.

The valve features low-torque actuation, eliminating the need for assist methods and accessories in manual actuation. If pneumatic actuation is required, the valves are available with ISO-5211 compliant actuators. A positionable handle provides flexibility in panel layout by reducing clearance issues with other components.

Swagelok medium-pressure ball valves feature a 0.209-inch (5.3-millimeter) orifice, 316 stainless steel body construction and reinforced PEEK seat seals. The valves are rated for temperatures from 0° to 250°F (-17° to 121°C) and maintain a full pressure rating throughout the entire operating temperature range. Multiple O-ring materials are available, including nitrile, fluoroelastomer and perfluoroelastomer. All wetted materials are compatible with most hydrocarbons.

Offered in a two-way configuration, the valves are available with Swagelok medium-pressure tube fitting end connections, which provide single turn makeup, or makeup by torque, for reduced installation time and labor costs. Like traditional Swagelok tube fittings, the end connections employ a two-ferrule design to deliver robust tube grip, leak-tight gas seal and vibration resistance. Female NPT end connections are also available. End connections sizes are 1/4, 3/8 and 1/2 inch.

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