Here is the related information for threaded flanges.
Sizes: From 1/2" -60"; DN10 to DN1500
Material: Carbon steel and stainless steel
Standard: ANSI standards, DIN standards, EN1092-1 standards, BS standards, JIS standards, etc.
Pressure: 150lb, 300lb, 600lb, 900lb, 1500lb; PN10, PN16, PN25, PN40

Besides threaded flange, We also produce welding neck flange, blind flange, slip-on flange, plate flange, socket welding flange, lap joint flange with ANSI standards, BS standards, DIN standards, EN1092-1 standards, JIS standards etc.