The Chemtrol® threaded union is supplied with a FKM fluorocarbon seal which is suited to most applications involving mineral acids, salt solutions, chlorinated hydrocarbons and petroleum oils. It is also available with EPDM ethylene propylene which has good abrasion and tear resistance, plus excellent chemical resistance, but not recommended for applications involving petroleum oils or most strong acids. Please refer to Chemtrol technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Chemtrol® Kynar® natural PVDF exhibits superior strength, working temperature and chemical resistance characteristics. Natural pigment provides UV protection. Kynar® PVDF offers versatile chemical resistance to slats, strong acids, dilute bases and many organic solvents such as aromatics, aliphadics and chlorinated groups. PVDF is also ideally suited for handling wet or dry chlorine bromine and other halogens. Chemtrol® premium line of plastic fittings is 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


CE04250 N/A 039923070388 N/A 1/2 N/A F x F N/A 663333 1/2" THD UNION NAT PVDF
CE04300 N/A 039923070401 N/A 3/4 N/A F x F N/A 663333 3/4" THD UNION NAT PVDF
CE04350 N/A 039923070425 N/A 1 N/A F x F N/A 663333 1" THD UNION NAT PVDF
CE04400 N/A 039923070463 N/A 1 1/2 N/A F x F N/A 663333 11/2" THD UNION NAT PVDF
CE04450 N/A 039923070487 N/A 2 N/A F x F N/A 663333 2" THD UNION NAT PVDF
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