Hygienic End Cap Sleeve Material Stainless Steel Seal Material H-NBR Material Grade 304 Seal Color Blue Standards DGUV Certified EHEDG Certified RoHS Width Across Flats 22 mm Overall Diameter 28.8 mm Thread Size M16 Overall Height 62 mm Inside Height 55 mm Thread Length 20.5 mm Seal Material - Maximum Temperature 150 Degrees C Seal Material - Minimum Temperature -25 Degrees C