Shelco-(12021-B) Gasket for 12FOS, 12SD, & 12UD Series, Buna (Clamp Only) Pleated Polyester1374 Polypropylene Tubing OD Copper Tube

Polypropylene Tubing OD Copper Tube Size (CTS) ID 3/8" OD 1/4" CTS 1/2" OD 3/8" CTS 5/8" OD 1/2" CTS 7/8" OD 3/4" CTS 1-1/8" OD 1" CTS OD Actual (Inches) Pipe Thread Size (NPT) 0

Install gauges in heated spaces when possible

Not intended for seawater desalination applications

Works in whole-house systems

50 micron (nominal) Structure 4-layer coreless design Certifications NSF 42

Shelco-(12021-B) Gasket for 12FOS, 12SD, & 12UD Series, Buna (Clamp Only) Pleated Polyester1374 Polypropylene Tubing OD Copper TubeThe 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,