These lap joint flanges are always used with either a stub end or taft which is butt welded to the pipe with the flange loose behind it. This means the stub end or taft always makes the face. The lap joint is favoured in low pressure applications because it is easily assembled and aligned. To reduce cost these stub end lap joint flanges and carbon steel lap joint flanges can be supplied without a hub and/or in treated, coated carbon steel.
Images
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Flanges
Lap Joint Flanges
| ANSI B 16.5 Class 150 lb | ANSI B 16.5 Class 300 lb | ANSI B 16.5 Class 400 lb |
| ANSI B 16.5 Class 600 lb | ANSI B 16.5 Class 900 lb | ANSI B 16.5 Class 1500 lb |
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 #.
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
