Cavity-Filled Three Piece Ball Valve - CF8901 Series

CF8901 Series Three Piece Ball Valve


A sanitary ball valve designed with FDA approved cavity filler seats and quick disconnect ends to minimize pockets where media can collect. The inner diameters and end connections are exactly the same size as the ID of the ball/seat ensuring no obstruction of flow from tubing through the valve.


In sizes from 1/2" (DN15) through 4" (DN100) with a true tube bore design, to provide unobstructed flow and better drainage

Pressure ratings up to 1000 psi (68,9 bar) for 1/2" - 2"; and 800 psi (55,2 bar) for 2-1/2" - 4"

PTFE cavity filler seats

Internal finish 20 Ra

Lockable handle prevents accidental opening or closing of valve

ISO 5211 actuator mounting flange

Designed for simple maintenance with swing-out for repair feature

Anti-blowout stem

Live-loaded stem seal - no threads in packing chamber

No sharp internal fillet radius - for smooth finish

Tri-clamp or tube weld ends

Available as manual or actuated (pneumatic/electric) valve


Data Sheet
CF8901 Series Data Sheet
I & M
CF8901 Series I & M
Marwin Condensed Catalog
Other documentation
Steam Service SP Ratings

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