Sanitary cleaning ball Technics: Forged Size range: 1/2"--8" Material: Stainless Steel Sanitary cleaning ballTechnics: Forged Size range: 1/2"--8" ... 304, 316L,Seal(Gasket): EPDM, SILICON, VITON, PTFE ,Size range: 1/2",3/4",1", 1.5", 2", 2.5 ... , BSP, parallel or taper),flange(ANSI 150lbs, 300lbs, PN16),Wide-range application: Chemical Processing , Water & Wastewater , Landfills, Irrigation, dairy, ...