(57) The present invention is related to a tertiary air valve, for a rotary kiln (81) of a cement production line, comprising a cooling chamber (1). In this scenario, the present invention provides a tertiary air valve, applied to a cement production line, comprising a cooling chamber (1) with a refractory lining (2), wherein the cooling chamber (1) comprises a cooling gas inlet opening (5) and a cooling gas outlet opening (6).
(71) Saint-Gobain do Brasil Produtos Industriais e para Construção Ltda.; Av. Santa Marina, 482, 1° Andar, Água Branca, 05036903 São Paulo, SP (BR)