... .thread; 1/4" 3.body+orific material:ceramic detailed spec:1).2003 series ceramic solid stream jet nozzle which design a special ... ,or replaceable silicone carbide ,body material :SS and ceramic inserted,replaceable,ceramic for selection.4.)Connecting Thread:1/4",3/8",1/2 ... "application: paper pulp producing process, high impact spray, 2003HVD-PY ceramic solid stream jet nozzle