BS4504 113 PN16 Threaded flanges

　　This flange is referred to as either threaded or screwed. Threaded flanges are used to connect other threaded components in low pressure, non-critical applications. No welding is required. The various types of threaded flanges are as follows:

　　Plain Threaded Flanges

　　Female Threaded Flanges

　　Male Threaded Flanges

　　Stainless Steel

　　ASTM A 182, A 240

　　Grade

　　F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750

　　Carbon Steel

　　ASTM A 105, ASTM A 181

　　Alloy Steel

　　ASTM A 182, GR F1, F11, F22, F5, F9, F91

　　Nickel Alloys

　　Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

　　Copper Alloys

　　Copper, Brass & Gunmetal

　　Size

　　1/8" NB TO 48"NB.

　　Class

　　150#, 300#,400 #,600#,900#, 1500# & 2500 #.