Names Range
ASME B16.5 Lap Joint Flanges Advantages And Disadvantages
The lap joint flange benefits from two distinct benefits in use due to its composite two-piece construction. Consider a lapped joint piping link in which all "wetted" sections require a costly alloy to withstand corrosion. The ASME B16.5 Lap Joint Flanges can be built of a corrosion-resistant but costly alloy. While the lap joint flange that serves as a backing flange could be made of ordinary carbon steels. This is less expensive than a full alloy flange. There are some drawbacks to using lap joint flanges. Contaminants can easily collect in the fissures generated between the internal face of the flange bore of the stub ends. And the contaminates that have accumulated could cause crevice corrosion.
How To Install Stainless Steel Lap Joint Flanges
To begin, ensure that the matting sides come together properly. Plumb when you install the pipe and flange, particularly when dealing with Stainless Steel Lap Joint Flanges. Once the right gasket is in place, the bolt holes are matched up. The flanges have a specified spacing width that binds the flanges together. The spud wrench has a firm mark that you drive into the holes and manoeuvre around the misaligned bolt. Before transporting, be sure to lubricate and tighten the bolts.
Vanstone Flange Vs Lap Joint Flange
The lap joint flange hovers on the pipe, allowing for simple bolting. Lap Joint Flange are most commonly found on expansion joints or lined pipe systems made of mixed materials. They are also known as Back Up and a Vanstone Flange. These flanges are employed in combination with a Stub End.
What Is The Purpose Of A Carbon Steel Lap Joint Flanges
The Carbon Steel Lap Joint Flanges or stub-end combination are primarily utilised in piping systems that must be dismantled often for inspection. Because of its rapid bolt hole placement, it is also employed in the construction of large diameter or difficult-to-adjust systems.
Table of content
Lap Joint Flanges
Size
Class
ASTM
ASME
Introduction Of Lapped Joint Flange
Names Range
Applications
Facing
Lapped Joint Flange Specification
Specifications | Lap Joint Flanges |
---|---|
Testing | Hydrostatic testing machine Magnetic particle detector Direct-reading Spectrograph UI trasonic flaw detector |
Equipment | Pushing Machine Press machine electric bevelling machine |
Payment Type | L/C,T/T,D/P,Paypal |
Supporting Material For Flanges | Gasket/ Ring Joint/ Flanges Bolts |
Certificate | ISO |
Size | 1/2” to 24” |
Class | Class 150 to Class 2500 |
Transportation In | Air & Ocean and Land |
Lap Joint Flanges Manufacturer In UAE | 1200 ton per month (Manufacturing Productivity) |
Available Packing | Packing In Plywood Box And Plywood Pallet |
Brand Name | Schulzmann |
Methods Of Forging | Casting Forging Rolling Cutting |
Supply Ability | 1000 Ton Per Month |
Use In | Marine & dredging Sanitation Process Instrumentation Oil and Gas Petrochemical/ Refinery/Chemical Power etc. |
Description | Price In US ($) |
---|---|
INC.825, 2 INCH, LAP JOINT FLANGE, 300# | US $1614.41 Per KG |
F316L, 2" LAP JOINT, 1500#, FLANGE | US $188.06 Per KG |
INC.825, 2" LAP JOINT, 150LB | US $1559.44 Per KG |
A350 LF2, 2", LAP JOINT, 2500# | US $2864.28 Per KG |
A350 LF2, 2" LAP JOINT, 300# FLANGE | US $131.16 Per KG |
F316L, 2 1/2", LAP JOINT, 1500# FLANGE | US $2068.65 Per KG |
A105N, 1 1/2, LAP JOINT, 300#, FLANGE | US $50.15 Per KG |
INC.625, 2", LAP JOINT, 300# FLANGE | US $1874.80 Per KG |
A105N, 2" LAP JOINT, 600# FLANGE | US $118.62 Per KG |
INC.825, 2" LAP JOINT, 1500#, FLANGE | US $10731.88 Per KG |
A105N, 1 1/2" LAP JOINT, 150# FLANGE | US $154.30 Per KG |
A350 LF2, 3", LAP JOINT, 600#, FLANGE | US $663.51 Per KG |
F316L, 3", LAP JOINT, CLASS 1500, FLANGE | US $376.11 Per KG |
Types Of Lap Joint Pipe Flanges
Stainless Steel Lap Joint Flanges
Loose Flanges
LJ Flanges
Lapped Joint Flange
Vanstone Flanges
SS 304 Lap Joint Flange
Stainless Steel Vanstone Flange
Raised Face Lap Joint Flange
Carbon Steel Lap Joint Flange
ASTM A105 Lap Joint Flange
Lap Joint Backing Flanges
Flat Face Lap Joint Flanges
ASME B16.5 Lap Joint Flange Dimensions In MM
Class 150 Lap Joint Flanges Dimensions In MM
Size Inches | D In (MM) | X In (MM) | t In (MM) | B3 In (MM) | T3 In (MM) | R° |
---|---|---|---|---|---|---|
1/2 | 89 | 30.2 | 11.2 | 22.9 | 15.7 | 3.0 |
3/4 | 99 | 38.1 | 12.7 | 28.2 | 15.7 | 3.0 |
1 | 108 | 49.3 | 14.2 | 35.1 | 17.5 | 3.0 |
1¼ | 117 | 58.7 | 15.7 | 43.7 | 20.6 | 4.8 |
1½ | 127 | 65.0 | 17.5 | 50.0 | 22.4 | 6.4 |
2 | 152 | 77.7 | 19.1 | 62.5 | 25.4 | 7.9 |
2½ | 178 | 90.4 | 22.4 | 75.4 | 28.4 | 7.9 |
3 | 191 | 108.0 | 23.9 | 91.4 | 30.2 | 9.7 |
3½ | 216 | 122.2 | 23.9 | 104.1 | 31.8 | 9.7 |
4 | 229 | 134.9 | 23.9 | 116.8 | 33.3 | 11.2 |
5 | 254 | 163.6 | 23.9 | 144.5 | 36.6 | 11.2 |
6 | 279 | 192.0 | 25.4 | 171.5 | 39.6 | 12.7 |
8 | 343 | 246.1 | 28.4 | 223.3 | 44.5 | 12.7 |
10 | 406 | 304.8 | 30.2 | 277.4 | 49.3 | 12.7 |
12 | 483 | 365.3 | 31.8 | 328.2 | 55.6 | 12.7 |
14 | 533 | 400.1 | 35.1 | 360.2 | 79.2 | 12.7 |
16 | 597 | 457.2 | 36.6 | 411.2 | 87.4 | 12.7 |
18 | 635 | 505.0 | 39.6 | 462.3 | 96.8 | 12.7 |
20 | 699 | 558.8 | 42.9 | 514.4 | 103.1 | 12.7 |
24 | 813 | 663.4 | 47.8 | 616.0 | 111.3 | 12.7 |
Grade Of ASTM A182 Stainless Steel Lap Joint Flanges
Class 300 Lap Joint Flanges Dimensions In MM
Size Inches | D In (MM) | X In (MM) | t In (MM) | B3 In (MM) | T3 In (MM) | R° |
---|---|---|---|---|---|---|
1/2 | 95 | 38.1 | 14.2 | 22.9 | 22.4 | 3.0 |
3/4 | 117 | 47.8 | 15.7 | 28.2 | 25.4 | 3.0 |
1 | 124 | 53.8 | 17.5 | 35.1 | 26.9 | 3.0 |
1¼ | 133 | 63.5 | 19.1 | 43.7 | 26.9 | 4.8 |
1½ | 155 | 69.9 | 20.6 | 50.0 | 30.2 | 6.4 |
2 | 165 | 84.1 | 22.4 | 62.5 | 33.3 | 7.9 |
2½ | 191 | 100.1 | 25.4 | 75.4 | 38.1 | 7.9 |
3 | 210 | 117.3 | 28.4 | 91.4 | 42.9 | 9.7 |
3½ | 229 | 133.4 | 30.2 | 104.1 | 44.5 | 9.7 |
4 | 254 | 146.1 | 31.8 | 116.8 | 47.8 | 11.2 |
5 | 279 | 177.8 | 35.1 | 144.5 | 50.8 | 11.2 |
6 | 318 | 206.2 | 36.6 | 171.5 | 52.3 | 12.7 |
8 | 381 | 260.4 | 41.1 | 222.3 | 62.0 | 12.7 |
10 | 445 | 320.5 | 47.8 | 277.4 | 66.5 | 12.7 |
12 | 521 | 374.7 | 50.8 | 328.2 | 101.6 | 12.7 |
14 | 584 | 425.5 | 63.8 | 360.2 | 111.3 | 12.7 |
16 | 648 | 482.6 | 57.2 | 411.2 | 120.7 | 12.7 |
18 | 711 | 533.4 | 60.5 | 462.3 | 130.0 | 12.7 |
20 | 775 | 587.2 | 63.5 | 514.4 | 139.7 | 12.7 |
24 | 914 | 701.5 | 69.9 | 616.0 | 152.4 | 12.7 |
Class 600 Lap Joint Flanges Dimensions In MM
Size Inches | D In (MM) | X In (MM) | t In (MM) | B3 In (MM) | T3 In (MM) | R° |
---|---|---|---|---|---|---|
1/2 | 95 | 38.1 | 14.2 | 22.9 | 22.4 | 3.0 |
3/4 | 117 | 47.8 | 15.7 | 28.2 | 25.4 | 3.0 |
1 | 124 | 53.8 | 17.5 | 35.1 | 26.9 | 3.0 |
1¼ | 133 | 63.5 | 20.6 | 43.7 | 28.4 | 4.8 |
1½ | 155 | 69.9 | 22.4 | 50.0 | 31.8 | 6.4 |
2 | 165 | 84.1 | 25.4 | 62.5 | 36.6 | 7.9 |
2½ | 191 | 100.1 | 28.4 | 75.4 | 41.1 | 7.9 |
3 | 210 | 117.3 | 31.8 | 91.4 | 46.0 | 9.7 |
3½ | 229 | 133.4 | 35.1 | 104.1 | 49.3 | 9.7 |
4 | 273 | 152.4 | 38.1 | 116.8 | 53.8 | 11.2 |
5 | 330 | 189.0 | 44.5 | 144.5 | 60.5 | 11.2 |
6 | 356 | 222.3 | 47.8 | 171.5 | 66.5 | 12.7 |
8 | 419 | 273.1 | 55.6 | 222.3 | 76.2 | 12.7 |
10 | 508 | 342.9 | 63.5 | 277.4 | 111.3 | 12.7 |
12 | 559 | 400.1 | 66.5 | 328.2 | 117.3 | 12.7 |
14 | 603 | 431.8 | 69.9 | 360.2 | 127.0 | 12.7 |
16 | 686 | 495.3 | 76.2 | 411.2 | 139.7 | 12.7 |
18 | 743 | 546.1 | 82.6 | 462.3 | 152.4 | 12.7 |
20 | 813 | 609.6 | 88.9 | 514.4 | 165.1 | 12.7 |
24 | 940 | 717.6 | 101.6 | 616.0 | 184.2 | 12.7 |
Class 900 Lap Joint Flanges Dimensions In MM
Size Inches | D In (MM) | X In (MM) | t In (MM) | B3 In (MM) | T3 In (MM) | R° |
---|---|---|---|---|---|---|
1/2 | 121 | 38.1 | 22.4 | 22.9 | 31.8 | 3.0 |
3/4 | 130 | 44.5 | 25.4 | 28.2 | 35.1 | 3.0 |
1 | 149 | 52.3 | 28.4 | 35.1 | 41.1 | 3.0 |
1¼ | 159 | 63.5 | 28.4 | 43.7 | 41.1 | 4.8 |
1½ | 178 | 69.9 | 31.8 | 50.0 | 44.5 | 6.4 |
2 | 216 | 104.6 | 38.1 | 62.5 | 57.2 | 7.9 |
2½ | 244 | 124.0 | 41.1 | 75.4 | 63.5 | 7.9 |
3 | 241 | 127.0 | 38.1 | 91.4 | 53.8 | 9.7 |
4 | 292 | 158.8 | 44.5 | 116.8 | 69.9 | 11.2 |
5 | 349 | 190.5 | 50.8 | 144.5 | 79.2 | 11.2 |
6 | 381 | 235.0 | 55.6 | 171.5 | 85.9 | 12.7 |
8 | 470 | 298.5 | 63.5 | 222.3 | 114.3 | 12.7 |
10 | 546 | 368.3 | 69.9 | 277.4 | 127.0 | 12.7 |
12 | 610 | 419.1 | 79.2 | 328.2 | 142.7 | 12.7 |
14 | 641 | 450.9 | 85.9 | 360.2 | 155.4 | 12.7 |
16 | 705 | 508.0 | 88.9 | 411.2 | 165.1 | 12.7 |
18 | 787 | 565.2 | 101.6 | 42.3 | 190.5 | 12.7 |
20 | 857 | 622.3 | 108.0 | 514.4 | 209.6 | 12.7 |
24 | 1041 | 749.3 | 139.7 | 616.0 | 266.7 | 12.7 |
Class 1500 Lap Joint Flanges Dimensions In Inch
Normal Pipe Size In Inch | ID In Inch | OD In Inch | Bolt Circle In Inch | Raised Face (R) In Inch | R/F In Inch | H In Inch | R/F Thickness (T) In Inch | T1 In Inch | F/F Thickness (T2) In Inch | Bolt Hole (B) In Inch | Number of Bolts Holes |
---|---|---|---|---|---|---|---|---|---|---|---|
1/2 | 0.88 | 4.75 | 3.25 | 1.38 | .250 | 1.50 | 1.50 | 0.88 | 1.25 | 0.88 | 4 |
3/4 | 1.09 | 5.13 | 3.50 | 1.69 | .250 | 1.75 | 1.63 | 1.00 | 1.38 | 0.88 | 4 |
1 | 1.36 | 5.88 | 4.00 | 2.00 | .250 | 2.06 | 1.88 | 1.13 | 1.63 | 1.00 | 4 |
1-1/4 | 1.70 | 6.25 | 4.38 | 2.50 | .250 | 2.50 | 1.88 | 1.13 | 1.63 | 1.00 | 4 |
1-1/2 | 1.95 | 7.00 | 4.88 | 2.88 | .250 | 2.75 | 2.00 | 1.25 | 1.75 | 1.13 | 4 |
2 | 2.44 | 8.50 | 6.50 | 3.63 | .250 | 4.13 | 2.50 | 1.50 | 2.25 | 1.00 | 8 |
2-1/2 | 2.94 | 9.63 | 7.50 | 4.13 | .250 | 4.88 | 2.75 | 1.63 | 2.50 | 1.13 | 8 |
3 | 3.57 | 10.50 | 8.00 | 5.00 | .250 | 5.25 | 3.13 | 1.88 | 2.88 | 1.25 | 8 |
4 | 4.57 | 12.25 | 9.50 | 6.19 | .250 | 6.38 | 3.81 | 2.13 | 3.56 | 1.38 | 8 |
5 | 5.66 | 14.75 | 11.50 | 7.31 | .250 | 7.75 | 4.38 | 2.88 | 4.13 | 1.63 | 8 |
6 | 6.72 | 15.50 | 12.50 | 8.50 | .250 | 9.00 | 4.94 | 3.25 | 4.69 | 1.50 | 12 |
8 | 8.72 | 19.00 | 15.50 | 10.63 | .250 | 11.50 | 5.88 | 3.63 | 5.63 | 1.75 | 12 |
10 | 10.88 | 23.00 | 19.00 | 12.75 | .250 | 14.50 | 6.50 | 4.25 | 6.25 | 2.00 | 12 |
12 | 12.88 | 26.50 | 22.50 | 15.00 | .250 | 17.75 | 7.38 | 4.88 | 7.13 | 2.13 | 16 |
Class 2500 Lap Joint Flanges Dimensions In Inch
Normal Pipe Size In Inch | ID In Inch | OD In Inch | Bolt Circle In Inch | H In Inch | T1 In Inch | T2 In Inch | RA In Inch | Bolt Hole (B) In Inch | Number of Bolts Holes |
---|---|---|---|---|---|---|---|---|---|
1/2 | 0.90 | 5.25 | 3.50 | 1.69 | 1.19 | 1.56 | .12 | 0.88 | 4 |
3/4 | 1.11 | 5.50 | 3.75 | 2.00 | 1.25 | 1.69 | .12 | 0.88 | 4 |
1 | 1.38 | 6.25 | 4.25 | 2.25 | 1.38 | 1.88 | .12 | 1.00 | 4 |
1-1/4 | 1.72 | 7.25 | 5.13 | 2.88 | 1.50 | 2.06 | .19 | 1.13 | 4 |
1-1/2 | 1.97 | 8.00 | 5.75 | 3.13 | 1.75 | 2.38 | .25 | 1.25 | 4 |
2 | 2.46 | 9.25 | 6.75 | 3.75 | 2.00 | 2.75 | .31 | 1.13 | 8 |
2-1/2 | 2.97 | 10.50 | 7.75 | 4.50 | 2.25 | 3.13 | .31 | 1.25 | 8 |
3 | 3.60 | 12.00 | 9.00 | 5.25 | 2.63 | 3.63 | .38 | 1.38 | 8 |
4 | 4.60 | 14.00 | 10.75 | 6.50 | 3.00 | 4.25 | .44 | 1.63 | 8 |
5 | 5.69 | 16.50 | 12.75 | 8.00 | 3.63 | 5.13 | .44 | 1.88 | 8 |
6 | 6.75 | 19.00 | 14.50 | 9.25 | 4.25 | 6.00 | .50 | 2.13 | 8 |
8 | 8.75 | 21.75 | 17.25 | 12.00 | 5.00 | 7.00 | .50 | 2.13 | 12 |
10 | 10.92 | 26.50 | 21.25 | 14.75 | 6.50 | 9.00 | .50 | 2.63 | 12 |
12 | 12.92 | 30.00 | 24.38 | 17.38 | 7.25 | 10.00 | .50 | 2.88 | 12 |
Grades Of Carbon Steel Lap Joint Flanges
LJ Flanges Temperature Ratings
Temperature (Dedgree C) | Class Of Flanges | ||||||
---|---|---|---|---|---|---|---|
(150#) | (300#) | (400#) | (600#) | (900#) | (1500#) | (2500#) | |
-29 - 38 | 19.8 | 51.7 | 68.9 | 103.4 | 155 | 259 | 431 |
50 | 19.5 | 51.7 | 68.9 | 103.4 | 155 | 259 | 431 |
100 | 17.7 | 51.5 | 68.7 | 103.0 | 155 | 258 | 429 |
150 | 15.8 | 50.2 | 66.8 | 100.3 | 151 | 251 | 418 |
200 | 13.8 | 48.6 | 64.8 | 97.2 | 146 | 243 | 405 |
250 | 12.1 | 46.3 | 61.7 | 92.7 | 139 | 232 | 386 |
300 | 10.2 | 42.9 | 57.0 | 85.7 | 129 | 214 | 357 |
325 | 9.3 | 41.4 | 55.0 | 82.6 | 124 | 207 | 344 |
350 | 8.4 | 40.0 | 53.4 | 80.0 | 120 | 200 | 334 |
375 | 7.4 | 37.8 | 50.4 | 75.7 | 114 | 189 | 315 |
400 | 6.5 | 34.7 | 46.3 | 69.4 | 104 | 174 | 290 |
425 | 5.5 | 28.8 | 38.4 | 57.5 | 86.3 | 144 | 240 |
450 | 4.6 | 23.0 | 30.7 | 46.0 | 69.0 | 115 | 192 |
475 | 3.7 | 17.1 | 22.8 | 34.2 | 51.3 | 85.4 | 142 |
500 | 2.8 | 11.6 | 15.4 | 23.2 | 34.7 | 57.9 | 96.5 |
538 | 1.4 | 5.9 | 7.9 | 11.8 | 17.7 | 29.5 | 49.2 |
Lap Joint Flange Gasket Dimensions
Normal Pipe Size In Inch | (I.D.) Gasket | (O.D.) Gasket | ||||
---|---|---|---|---|---|---|
Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | ||
1/2 | 0.84 | 1.875 | 2.125 | 2.125 | 2.125 | 2.50 |
3/4 | 1.06 | 2.25 | 2.625 | 2.625 | 2.625 | 2.75 |
1 | 1.31 | 2.625 | 2.875 | 2.875 | 2.875 | 3.125 |
1 1/4 | 1.66 | 3 | 3.25 | 3.25 | 3.25 | 3.50 |
1 1/2 | 1.91 | 3.375 | 3.75 | 3.75 | 3.75 | 3.875 |
2 | 2.38 | 4.125 | 4.375 | 4.375 | 4.375 | 5.625 |
2 1/2 | 2.88 | 4.875 | 5.125 | 5.125 | 5.125 | 6.50 |
3 | 3.50 | 5.375 | 5.875 | 5.875 | 5.875 | 6.625 |
4 | 4.50 | 6.875 | 7.125 | 7.00 | 7.625 | 8.125 |
5 | 5.56 | 7.75 | 8.50 | 8.375 | 9.50 | 9.75 |
6 | 6.62 | 8.75 | 9.875 | 9.75 | 10.50 | 11.375 |
8 | 8.62 | 11 | 12.125 | 12.00 | 12.625 | 14.125 |
10 | 10.75 | 13.375 | 14.25 | 14.125 | 15.75 | 17.125 |
Stud Bolt Length For Lap Joint Flange
CLass | 150# | 300# | 600# | 900# | 1500# | 2500# |
Dia. Of (A) | 305 | 321 | 345 | 368 | 368 | 375 |
Dia. Of (D) |
405 | 445 | 510 | 545 | 585 | 675 |
Wall Thickness Of (B) |
30.2 | 47.7 | 63.5 | 69.9 | 108 | 165.1 |
Dia. Of K |
362 | 387.4 | 431.8 | 469.9 | 482.6 | 539.8 |
Hight | 49 | 95 | 111 | 127 | 178 | 229 |
Nimber L |
12 | 16 | 16 | 16 | 12 | 12 |
Dia. L |
25.4 | 28.6 | 34.9 | 38.1 | 50.8 | 66.7 |
Stud Bolts Dia. And Length | ||||||
Dia. In (Inch) |
7/8 | 1 | 1.1/4 | 1.3/8 | 1.7/8 | 2.1/2 |
Length In millimeter |
115 | 160 | 215 | 235 | 335 | 490 |
Facing Types Of Carbon Steel Lap Joint Flange
Facing Types
Stainless Steel Lap Joint Flanges Weight Chart
Nominal Pipe Size | Lap Joint |
---|---|
½ | 1 |
¾ | 2 |
1 | 2 |
1¼ | 3 |
1½ | 3 |
2 | 5 |
2½ | 8 |
3 | 9 |
3½ | 11 |
4 | 13 |
5 | 15 |
6 | 19 |
8 | 30 |
10 | 43 |
12 | 64 |
14 | 105 |
16 | 140 |
18 | 160 |
20 | 195 |
22 | 245 |
24 | 275 |
Welding Of Stainless Lap Joint Flange
A lap Joint flanges Is a two-component assembly, with a stub end that has a lap-Joint ring flanges located over it. The stub end Is then butt welded to the plpe, and the flanges ring can be rotated to allgn with the mating flanges. This type of flanges connection is particularly useful for large or hard-to-adjust flanges.
Grades Of Alloy Steel Van Stone Flange
Size | D1 | D2 | D3 | d | d1 | d2 | H | T | I | n-Øe |
---|---|---|---|---|---|---|---|---|---|---|
2” | 5.99 | 4.77 | 2.99 | 2.01 | 2.37 | 2.39 | 1.69 | 0.19 | 1.50 | |
3” | 7.56 | 5.99 | 4.26 | 3.03 | 3.49 | 3.52 | 2.13 | 1.02 | 1.88 | |
4” | 9.02 | 7.53 | 5.24 | 4.02 | 4.49 | 4.52 | 2.52 | 1.10 | 2.25 | |
6” | 11.19 | 9.50 | 7.53 | 6.15 | 6.62 | 6.66 | 3.35 | 1.26 | 3.00 | |
8” | 13.51 | 11.74 | 9.38 | 8.04 | 8.62 | 8.67 | 4.65 | 1.42 | 4.02 | |
10” | 16.00 | 14.26 | 12.21 | 10.09 | 10.75 | 10.80 | 5.91 | 1.65 | 4.85 |