Names Range
Back Up flanges/ Loose Ring flanges/ Loose Hubbed flanges/ Van Stone flanges.
Lap Joint Flanges
ASME B16.5 Stainless Steel Vanstone Flange and Carbon Steel Loose Flanges manufacturer in UAE
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.
Check Difference Between Lap Joint And Slip On Flange, supplier of SS 304 LJ Flange and ASTM A105 Lapped Joint Flanges in Middle East as per EN 1092-1
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.
View Class 150 To 2500 Carbon Steel Lap Joint Flanges dimensions, Key Features and Weight Chart, best price of ASME B16.5 Lap Joint Flanges in Dubai, Check Stud Bolt Length For Raised Face Lap Joint Flanges
Table of content
Specialized in manufacturing
Lap Joint Flanges
ASME B16.5 Lap joint flanges use a stub end that is welded to the pipe.
Size
1/2 Inches To 24 Inches
Class
150 To 2500
ASTM
A105, A182, A694
ASME
B16.5
Introduction Of Lapped Joint Flange
Applications
used in low pressure applications and are not suitable when there are high loads on the flange pair.
Facing
shall be furnished with flat faces and the lower corner of the bore shall be furnished with a rounded transition.
Lap Flanges Vs Slip-on Flanges
- primary difference (Lap Flanges Vs Slip-on Flanges) being that the bore and face have a curved radius to accommodate a lap joint stub-end.
- Lap Flange : lap joint flanges is a two-piece device that resembles both weld-neck flange and a loose slip-on flanges
- Slip-on Flange : slip on flange is simply a ring that is fitted over the pipe end.
Vanstone Flanges Key Features
- Freedom to swivel across the plpe facilitates the lining up of opposing flange bolt holes.
- Lack of contact with the fluid withinside the pipe often allows using of inexpensive carbon steel flanges with corrosion resistant pipe.
- In systems which erode or corrode quickly, the flanges may be salvaged for re-use.
Lap Joint Flanges Vs Rolled Angle Rings
- Lap Joint Flanges : Lap joint flanges are one such flange type popular in both piping and duct system design.
- Rolled Angle Rings Flanges :Rolled Angle Rings which are also known as Vanstone Rings, have similar benefits to Lap Joint Stub Ends with similar designs and installation requirements.
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 |
Refer Facing Types Of 4 Inch Stainless Steel Lap Joint Flanges and Gasket Dimensions 150#-900#, in a short span of time we became one of the favourite manufacturer & exporter of Galvanized Lap Joint Flanges in Qatar, Iran, Turkey and Kuwait
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
- Flat Face (FF)
- Raised Face (RF)
- Ring Type Joint (RTJ)
ASTM A182 F316 Lap Joint Flange manufacturer in UAE offers RFLJ/ LJFF Flange in SCH 40 and PN16 pressure, buy Mild Steel/ Duplex, Alloy Steel Lap Joint Pipe Flanges at factory price in Dubai
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 | |
- Sch 80 Van Stone Flanges
- Conforms to ASTM D-2467
- Loose Ring Flanges
- 150 PSI @ 73.4 F
- Schedule 80
- Flange sizes 2" - 10"