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SLIP-ON FLANGES continue to be preferred to welding neck flanges by many users on account of their initially lower cost, the reduced accuracy required in cutting the pipe to length, and the somewhat greater ease of alignment of the assembly; however their final installed cost is probably not much, if any, less than that of welding neck flanges. Their calculated strength under internal pressure is approximately two-thirds that of welding neck flanges, and their life under fatigue is about one-third that of the latter. For these reasons, slip-on flanges are limited to sizes ½" to 2 ½" in the1500 lb standard and are not shown in the2500lb standard.
Carbon Steel : A105,A350 LF2,A694 F42,F52,F60,F65,F70
Alloy steel:A182 F5,F9,F11,F22,F91
Stainless steel:A182 F304,F304L,F316,F316L
Size : 1/8" NB TO 96"NB.
Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #.
Standard
ANSI : ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
DIN :DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673
B.S : BS4504 , BS4504, BS1560, BS10
SS316L steel slip-on Flange (SO)
