Shelco-(12021-B) Gasket for 12FOS, 12SD, & 12UD Series, Buna (Clamp Only) 46-9690 🧪 Phosphate Scale Control

🧪 Phosphate Scale Control

your utility likely uses chloramines—this catalytic carbon block is the solution

AF-20-3695-BB Specifications

The AF-10-2015-BB fits all standard 10-inch by 4

and treated process water systems

Shelco-(12021-B) Gasket for 12FOS, 12SD, & 12UD Series, Buna (Clamp Only) 46-9690 🧪 Phosphate Scale ControlThe Shelco 12021 B is a Buna N rubber gasket engineered specifically for clamp style closures on Shelco 12FOS, 12SD, and 12UD filter housings. This precision molded seal ensures leak free performance in commercial and industrial filtration systems where chemical compatibility and reliable sealing are essential. TECHNICAL DETAILS Gasket Specifications Part Number 12021 B Material Buna N (Nitrile Rubber) Closure Type Clamp Only Compatible Series 12FOS,