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Flanged Ball Valves


Flow-Tek’s Series RF15 & RF30 flanged ball valves feature a compact, one piece body design with threaded insert. The one piece body supplies maximum structural strength while minimizing the number of potential leak paths. A floating ball design offers low torque and increases valve cycle life. These rugged, economical, end entry flanged ball valves are ideal for industrial applications.

The primary seal is a combination of a thrust washer and thrust washer protector. An adjustable stem packing creates a secondary seal between the stem and body. The stem packing is composed of RPTFE V-rings as standard – graphite stem packing is standard on all Fire Safe valves. Flow-Tek balls are precision machined and mirror finished for bubble-tight shut off and less operating torque. As an added safety feature, a hole in the stem slot of each ball equalizes pressure between the body cavity and the line media flow. 1”– 4” valve bodies are investment cast and all valve size castings are solution annealed/normalized for the highest quality and added strength. All body castings are marked with a foundry heat number for full traceability.

All manually operated valves feature a Locking Device to prevent accidental movement of ball position. 1”– 2” valves feature a Safety Trigger that locks the handle in the open or closed position. The handle lock can be bypassed, if needed, with a small bolt through the handle in the release position. On all sizes a Padlock can be added to secure the handle in position, preventing unwanted movement of the ball. 3” through 6” valves feature a NAMUR stem slot for ease of limit switch mounting.

Learn more about ball valves and valve automation from BBP.

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