Threaded Flanges
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Threaded flanges are often referred to as threaded or screwed flanges and are used to connect other threaded components in a low-pressure, non-critical application with no welding required.
Standard:
ANSI B16.5, ANSI B16.47, ANSI B16.36, MSS SP44, API 6A, BS4504, BS10, EN1092, UNI, DIN., etc.
Materials:
Carbon steel: ASTM A105, 20 #, Q235, 16Mn
Stainless steel: ASTM A182 F304, 304L, F316, 316L
Alloy steel: ASTM A182 F1, F9, F11, F91, A182F12, A182F11, 12Cr1MoV, A335P22
Size:
3/8 "to 60"
DN10 ~ DN4000
Pressure Class:
Inter-American System: Class 150, Class 300, Class 400, Class 600, Class 900, and Class 1500
European System: PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100
Sealing Surface:
FF, RF
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