Whether commercial or residential plumbing, Viega has everything you need and the certifications to back it up. Viega ProPress Copper and ProPress Stainless 316 carry NSF-61-372 certifications that meet lead-free requirements for domestic water. Viega PureFlow Systems carry NSF-14 certification for domestic water.
EPDM Sealing Element
The EPDM (Ethylene Propylene Diene Monomer) sealing element is used in applications like potable water, process water, hydronic heating, fire sprinkler and compressed air. Viega press fittings with green and black Smart Connect feature dots indicate an EPDM sealing element. It has an operating temperature from 0ºF to 250ºF (-18ºC to 120ºC). EPDM with 316 stainless with the green dot is approved by NSF-61.