Provides simple, cost-effective protection for flanges. Covers full flange face - applied by strapping cable ties through bolt holes. Wide range covers variety of sizes and pressure ratings. DIN Flanges DN 10 to DN 600 - Pressure Groups PN 6, 10, 16, 25 and 40ANSI Flanges 1⁄2" to 32" - Pressure Groups 150, 300, 600 and 900 lbs.