Description Overview Gaston county dyeing jet National board number: 3461 Serial number: 072867-A Year of manufacture: 1967 Specifications Maximum operating pressure: 55 psi at 300°F Maximum operating temperature: 300°F at 55 psi Alloy: SA 240 T – 304 Sheet thickness: 0.1875 in Head thickness: 0.250 in Rad heads: 46 Dyeing cylinder working width: 15' 8" Dyeing cylinder overall width: 16' 1.5"