The Chemtrol thread cap features a female NPT thread connection and is used to seal off the end of piping. Chemtrol fittings are lightweight, easy to install and maintenance-free. Please refer to Chemtrol technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Chemtrol® Chem-Pure® polypropylene exhibits extremely low content of metals, organic compounds, and free ions. No pigments or other adulterants (natural) are added to the plastic resin. Chem-Pure® natural polypropylene demonstrates excellent chemical resistance properties, including aqueous solutions of acids, alkalis and salts, and a number of organic solvents. Chemtrol® premium line of plastic fittings are backed by a 1-year limited warranty. Because Chemtrol® is a NIBCO brand the flow-control fittings are unsurpassed in quality, performance and longevity.
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Material Number

UPC Code

Size (Dimensions)

Connection Type


CN04310 N/A 039923058386 N/A 1/2 N/A F (NPT) N/A 6217-3 1/2 N.PP THD CAP FLAT
CN04320 N/A 039923058393 N/A 3/4 N/A F (NPT) N/A 6217-3 3/4 N.PP THD CAP FLAT
CN04330 N/A 039923058409 N/A 1 N/A F (NPT) N/A 6217-3 1 N.PP THD CAP FLAT
CN04340 N/A 039923058416 N/A 1 1/4 N/A F (NPT) N/A 6217-3 1-1/4 N.PP THD CAP FLAT
CN04350 N/A 039923058423 N/A 1 1/2 N/A F (NPT) N/A 6217-3 1-1/2 N.PP THD CAP FLAT
CN04360 N/A 039923058430 N/A 2 N/A F (NPT) N/A 6217-3 2 N.PP THD CAP FLAT
CN04370 N/A 039923058447 N/A 3 N/A F (NPT) N/A 6217-3 3 N.PP THD CAP DOME
CN04380 N/A 039923058454 N/A 4 N/A F (NPT) N/A 6217-3 4 N.PP THD CAP DOME
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