LIDS, MANLIDS AND HATCHES closures for tanks, containers, vats ant any receptacles made of steel or stainless steel.

A wide range of doors made of mild steel, or 304 / 316L stainless steel, with a diameter ranging from 100 to 1000mm meets the most varied uses in the food, wine, oil and chemical industry, Cement works, Bulk Industry as well as industries using powder or granulate products and are mostly available on stock.

For over sixty years, Portex closures have been manufactured in France and distributed worldwide. Formerly Gazonorme, then Promécam until 1985, when Portex was founded to exclusively produce manlids, hatches and closures.