Manufacturers of Lap Joint Flanges, lap joint flange specification
We are a determined manufacturer of high quality of industrial lap joint flanges in India. It is very much similar to slip-on flange, where it is having a radius at the junction of the bore and flange face that is for to create a lap stub end. In the meantime, the look on the stub end forms out by means of the gasket face on the flange. Lap Joint flanges are being used in applications where parts of the piping systems need to be taking away from each other quickly and easily for inspection and replacement. These lap joint flanges are being provided in full-scale range and are extensively used at all the pressures.
½” (15 NB) to 60” (1500NB) in 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS ASA 150, ASA 300, PN 6,10,16,25, 40,64,100,160 ETC. available with NACE MR 01-75
½” (15NB) to 60” (1500NB)
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500# PN6, PN10, PN16, PN25, PN40, PN64
B16.5, BS4504, EN-1092, B16.36, B16.47, B16.48, MSS SP44
STD : ANSI Flanges, ASME Flanges, DIN Flanges, EN Flanges, BS Flanges, API, JIS, NACE etc.
Dimensional accuracy, Corrosion resistance, High efficiency, Excellent finish, Durable
Stainless Steel Lap Joint Flanges :
Standard : ASTM / ASME A/SA 182 Grade : F 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L
Duplex Steel Lap Joint Flanges :
Standard : ASTM / ASME A/SA 182 Grade : F 44, F 45, F51, F 53, F 55, F 60, F 61
Aluminium Lap Joint Flanges :
Standard : ASTM B247, B361. Grade : 2024, 6061, 6063, 6101, 7075.
Titanium Lap Joint Flanges :
Grade : Grade 1, Grade 2, Grade 4, Grade 5, Grade 6, Grade 7, Grade 9, Grade 19, Grade 23
Carbon Steel Lap Joint Flanges :
Standard : ASTM A 105/A694/ A350 LF3/A350 LF2. Grade : F42/46/52/56/60/65/70
Low Temperature Carbon Steel Lap Joint Flanges :
Alloy Steel Lap Joint Flanges :
Standard : ASTM A182 Grade : F1/F5/F9/F11/F22/F91
Copper Alloy Lap Joint Flanges :
Grade : UNS NO. C 70600 (CU -NI- 90/10), C 71500 (CU -NI- 70/30) C 71640
Nickel Alloy Lap Joint Flanges :
Standard : ASTM / ASME SB 564 / 160 / 472• Nickel 200 – UNS N02200 • Nickel 201 – UNS N02201 • Monel 400 – UNS N04400
• Monel K500 – UNS N05500 • Inconel K600 – UNS N06600 • Inconel 601 – UNS N06601
• Inconel 625 – UNS N06625 • Inconel 800 – UNS N08800 • Inconel 800H – UNS N08810
• Inconel 825 – UNS N08825 • Hastelloy C276 – UNS N10276 • Alloy 20 – UNS N08020
Dimensions Lap Joint Flanges & Stud Bolts ASME B16.5
This specification covers the material and dimensional requirements applicable to lap joint flange pipe ends that are manufactured by a mechanical forming process, and are widely used for low-pressure systems in the marine, process piping, and similar industries. Materials having acceptable forming qualities to produce lap joint ends are copper, copper-nickel, titanium, carbon steel, and stainless steel.
| Class | 150 | 300 | 400 | 600 | 900 | 1500 | 2500 |
| Diameter – A | 30 | 38 | 38 | 38 | 38 | 38 | 43 |
| Diameter – D | 90 | 95 | 95 | 95 | 120 | 120 | 135 |
| Thickness – B | 11.2 | 14.3 | 14.3 | 14.3 | 22.3 | 22.3 | 30.2 |
| Diameter – G | 35.1 | 35.1 | 35.1 | 35.1 | 35.1 | 35.1 | 35.1 |
| Diameter – K | 60.3 | 66.7 | 66.7 | 66.7 | 82.6 | 82.6 | 88.9 |
| Height – H | 16 | 22 | 22 | 22 | 32 | 32 | 40 |
| Bolt Holes | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Diameter – L | 15.9 | 15.9 | 15.9 | 15.9 | 22.2 | 22.2 | 22.2 |
| Stud Bolts Diameter x Length | |||||||
| Diameter (in) | 1/2 | 1/2 | 1/2 | 1/2 | 3/4 | 3/4 | 3/4 |
| Length (mm) | 55 | 65 | 75 | 75 | 110 | 110 | 120 |
| NPS | 1/2 | 3/4 | 1 | 1¼ | 1½ | 2 | 2½ | 3 | 3½ | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 |
Notes:
- Dimensions are in millimeters unless otherwise indicated.
- The length of the Stud Bolt does not include the height of the chamfers (points).
Dimensional Tolerances of Lap Joint Flanges ASME B16.5
| Outside Diameter ≤ 24 = 1.6 mm | > 24 = ± 3.2 mm |
Inside Diameter ≤ 10 = ± 0.8 mm | ≥ 12 = + 1.6 mm / – 0 mm |
| Diameter of Contact Face 1.6 mm Raised Face = ± 0.8 mm 6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm |
Outside Diameter of Hub ≤ 12 = + 2.4 mm / – 1.6 mm | ≥ 14 = ± 3.2 mm |
| Diameter of Counterbore Same as for Inside Diameter |
Drilling Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mm Eccentricity of Bolt Circle with Respect to Facing ≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max. |
| Thickness ≤ 18 = + 3.2 mm / – 0 | ≥ 20 = + 4.8 mm / – 0 |
Length thru Hub ≤ 18 = + 3.2 mm / – 0.8 mm | ≥ 20 = + 4.8 mm / – 1.6 mm |
Lap Joint Application, Lap Joint Flange Uses
Lap Joint steel flanges are largely used in the petroleum and chemical industries but can also be used in residential and commercial buildings where fluctuating temperatures and high stress are expected, such as a main water or gas source. Long neck steel flanges are used under conditions where line or pipe expansion creates bending or repeated changes in the pipe. Because a long neck flange is used in pressurized applications, the flange may have additional pressure connections and may be referred to as an orifice flange. The flange supports free product flow when bored to match the diameter of the pipe it will receive. Long weld neck flanges are attached using V-shaped welds known as butt welds
ANSI B16.5 Lap Joint Flanges, ASME B.16.5 Lap Joint Pipe Flanges, DIN Lap Joint Flange
We are specialized in manufacturing high standard quality of Lap Joint Flanges. Lap Joint Flanges are widely used in special circumstances with their main advantage being that they can be attached to the pipe without welding. We are one of the leading manufacturer and supplier of steel Lap Joint Lap Joint flanges in India, we can supply stainless steel, carbon steel and nickel alloy Lap Joint Lap Joint flanges.
Steel flanges offer a way to secure metal pipe and prevent leaks and other damage. Choosing the right metal flange and other metal fittings is dependent upon what type of substance flows through the piping system. A steel flange called a long weld neck flange is designed to offer extra support and safety in certain high-pressure areas found in residential, commercial and industrial piping systems.
Lap Joint Lap Joint flanges, steel Lap Joint Lap Joint flanges are available with following specifications:
We proffer Lap Joint Flange pipe flanges that are being manufactured at our best services to companies in a range of industries including power generation, shipbuilding, petrochemical plants, waste water treatment plants, oil refineries, paper mills, turnkey projects and pharmaceutical plants among others.
Specification
Standards: ANSI B16.47 Series A & B, ANSI B16.5, API-605, MSS SP44, ASA, EN1092, BS 4504, DIN
Type: Lap Joint Flanges / Lap Joint
Size: ½” (15 NB) to 48″ (1200NB)
Class : 150 Class, 300 Class, 400 Class, 600 Class, 900 Class, 1500 Class, 2500 Class, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Material: Stainless Steel, Duplex, Super Duplex, Nickel Alloys, Alloy Steel, Carbon Steel, Low temperature Steel
Material Grade:
Stainless Steel Lap Joint Flanges: ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
Duplex & Super Duplex Steel Lap Joint Flanges: ASTM A182 / ASME SA182, F 44, F 45, F51, F 53, F 55, F 60, F 61
Carbon Steel Lap Joint Flanges: ASTM A105 / ASME SA105, ASTM A350 / ASME SA350, ASTM A181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F70
Low Temperature Carbon Steel Lap Joint Flange (LTCS Lap Joint): Flange, A350 LF2/A350 LF3
Alloy Steel Lap Joint Flanges: ASTM A182 / ASME SA182 & A387 F1, F5, F9, F11, F12, F22, F91
Nickel Alloy Lap Joint Flanges: ASTM / ASME SB 564 / 160 / 472, UNS 2200 ( Nickel 200 ), UNS 2201 (Nickel 201 ), UNS 4400 (Monel 400 ), UNS 8020 ( Alloy 20 / 20 CB 3, UNS 8825 Inconel (825), UNS 6600 (Inconel 600 ), UNS 6601 ( Inconel 601 ), UNS 6625 (Inconel 625), UNS 10276 ( Hastelloy C 276 )
ASME B16.5 Lap Joint Flange – 150 lbs, lap joint flange dimensions 150, Lap Joint Flange class 150, Lap Joint Flange ansi 150
Specification :
Type: Lap Joint Forged Flange, Long welding neck flange
Material: Carbon steel: A105,SS400,SF440 RST37.2,S235JRG2,P250GH,C22.8, Stainless Steel: F304 F304L F316 F316L 316Ti, Copper, High Nickel Alloys.
Standard: ANSI/DIN/JIS
Size: 1/2-78 inch (DN15-DN2000)
Pressure: ANSI class 150, 300, 600, 1500, 2500, DIN PN6,PN10,PN16,PN25,PN40,PN64,PN100,PN160
The wide range of ANSI B 150 Class- Lap Joint Flanges offered by us is in conformation with international quality standards. These are designed as per the standards set by various national and international authorities and are manufactured using high grade steel. Our range of flanges is highly acknowledged in the domestic and global markets, due to features such as application specific design and corrosion resistance.
Lap Joint Flanges
Class 150
| Nominal size | O | C | X | Y | B | R | Number of holes | Diam. of holes | Diam. of bolts | Diam. of bolt circle | Weight | |
| in mm |
1/2″ | 3.50 88.9 | 0.44 11.2 | 1.19 30.2 | 0.62 15.7 | 0.90 22.9 | 0.12 3.0 | 4 | 0.62 15.7 | 1/2 12.7 | 2.38 60.5 | 1 0.5 |
| in mm |
3/4″ | 3.88 98.6 | 0.50 12.7 | 1.50 38.1 | 0.62 15.7 | 1.11 28.2 |
0.12 3.0 |
4 | 0.62 15.7 |
1/2 12.7 | 2.75 69.9 |
2 1 |
| in mm | 1″ | 4.25 108.0 | 0.56 14.2 | 1.94 49.3 | 0.69 17.5 | 1.38 35.1 |
0.12 3.0 |
4 | 0.62 15.7 |
1/2 12.7 | 3.12 79.2 | 2 1 |
| in mm | 1 1/4″ | 4.62 117.3 | 0.62 15.7 | 2.31 58.7 | 0.81 20.6 | 1.72 43.7 |
0.19 4.8 |
4 | 0.62 15.7 |
1/2 12.7 | 3.50 88.9 |
3 1 |
| in mm | 1 1/2″ | 5.00 127.0 | 0.69 17.5 | 2.56 65.0 | 0.88 22.4 | 1.97 50.0 |
0.25 6.4 |
4 | 0.62 15.7 |
1/2 12.7 | 3.88 98.6 | 3 1 |
| in mm | 2″ | 6.00 152.4 | 0.75 19.1 | 3.06 77.7 | 1.00 25.4 | 2.46 62.5 |
0.31 7.9 |
4 | 0.75 19.1 |
5/8 15.9 |
4.75 120.7 | 5 2 |
| in mm | 3″ | 7.50 190.5 | 0.94 23.9 | 4.25 108.0 | 1.19 30.2 | 3.60 91.4 |
0.38 9.7 |
4 | 0.75 19.1 |
5/8 15.9 | 6.00 152.4 |
8 4 |
| in mm | 3 1/2″ | 8.50 215.9 | 0.94 23.9 | 4.81 122.2 | 1.25 31.8 | 4.10 104.1 |
0.38 9.7 |
8 | 0.75 19.1 |
5/8 15.9 |
7.00 177.8 | 11 5 |
| in mm | 4″ | 9.00 228.6 | 0.94 23.9 | 5.31 134.9 | 1.31 33.3 | 4.60 116.8 |
0.44 11.2 | 8 | 0.03 0.76 |
7.50 190.5 | 3.12 79.25 |
13 6 |
| in mm | 5″ | 10.00 254.0 | 0.94 23.9 | 6.44 163.6 | 1.44 36.6 | 5.69 144.5 |
0.44 11.2 |
8 | 0.88 22.4 |
3/4 19.1 |
8.50 215.9 | 15 7 |
| in mm | 6″ | 11.00 279.4 | 1.00 25.4 | 7.56 192.0 | 1.56 39.6 | 6.75 171.5 |
0.50 12.7 |
8 | 0.88 22.4 |
3/4 19.1 | 9.50 241.3 |
19 9 |
| in mm | 8″ | 13.50 342.9 | 1.12 28.4 | 9.69 246.1 | 1.75 44.5 | 8.75 222.3 |
0.50 12.7 |
8 | 0.88 22.4 |
3/4 19.1 | 11.75 298.5 | 30 14 |
| in mm | 10″ | 16.00 406.4 | 1.19 30.2 | 12.00 304.8 | 1.94 49.3 | 10.92 277.4 |
0.50 12.7 |
12 | 1.00 25.4 |
7/8 22.2 |
14.25 362.0 | 43 20 |
| in mm | 12″ | 19.00 482.6 | 1.25 31.8 | 14.38 365.3 | 2.19 55.6 | 12.92 328.2 |
0.50 12.7 |
12 | 1.00 25.4 |
7/8 22.2 | 17.00 431.8 |
64 29 |
| in mm | 14″ | 21.00 533.4 | 1.38 35.1 | 15.75 400.1 | 3.12 79.2 | 14.18 360.2 |
0.50 12.7 |
12 | 1.12 28.4 |
1 25.4 |
18.75 476.3 | 90 41 |
| in mm | 16″ | 23.50 596.9 | 1.44 36.6 | 18.00 457.2 | 3.44 87.4 | 16.19 411.2 |
0.50 12.7 |
16 | 1.12 28.4 |
1 25.4 |
21.25 539.8 | 98 44 |
| in mm | 18″ | 25.00 635.0 | 1.56 39.6 | 19.88 505.0 | 3.81 96.8 | 18.20 462.3 |
0.50 12.7 |
16 | 1.25 31.8 |
1 1/8 28.6 | 22.75 577.9 |
130 59 |
| in mm | 20″ | 27.50 698.5 | 1.69 42.9 | 22.00 558.8 | 4.06 103.1 | 20.25 514.4 |
0.50 12.7 |
20 | 1.25 31.8 |
1 1/8 28.6 | 25.00 635.0 | 165 75 |
| in mm | 24″ | 32.00 812.8 | 1.88 47.8 | 26.12 663.4 | 4.38 111.3 | 24.25 616.0 |
0.50 12.7 |
20 | 1.38 35.1 |
1 1/4 31.8 | 29.50 749.3 | 220 110 |
lap joint flange class 300, 300# lap joint flange dimensions, lap joint flange dimensions class 300
Lap Joint Flanges
Class 300
| Nominal size | O | C | X | Y | B | R | No. of holes | Diam. of holes | Diam. of bolts | Diam. of bolt circle | Approx. weight pounds Kg | |
| O | C | X | Y | B | r | |||||||
| in. | 1/2″ | 3.75 | 0.56 | 1.5 | 0.88 | 0.9 | 0.12 | 4 | 0.62 | 1/2″ | 2.62 | 2 |
| mm. | 95.3 | 14.2 | 38.1 | 22.4 | 22.9 | 3 | 15.7 | 12.7 | 66.5 | 1 | ||
| in. | 3/4″ | 4.62 | 0.62 | 1.88 | 1 | 1.11 | 0.12 | 4 | 0.75 | 5/8″ | 3.25 | 3 |
| mm. | 117.3 | 15.7 | 47.8 | 25.4 | 28.2 | 3 | 19.1 | 15.9 | 82.6 | 1 | ||
| in. | 1″ | 4.88 | 0.69 | 2.12 | 1.06 | 1.38 | 0.12 | 4 | 0.75 | 5/8″ | 3.5 | 3 |
| mm. | 124 | 17.5 | 53.8 | 26.9 | 35.1 | 3 | 19.1 | 15.9 | 88.9 | 1 | ||
| in. | 1 1/4″ | 5.25 | 0.75 | 2.5 | 1.06 | 1.72 | 0.19 | 4 | 0.75 | 5/8″ | 3.88 | 4 |
| mm. | 133.4 | 19.1 | 63.5 | 26.9 | 43.7 | 4.8 | 19.1 | 15.9 | 98.6 | 2 | ||
| in. | 1 1/2″ | 6.12 | 0.81 | 2.75 | 1.19 | 1.97 | 0.25 | 4 | 0.88 | 3/4″ | 4.5 | 6 |
| mm. | 155.4 | 20.6 | 69.9 | 30.2 | 50 | 6.4 | 22.4 | 19.1 | 114.3 | 3 | ||
| in. | 2″ | 6.5 | 0.88 | 3.31 | 1.31 | 2.46 | 0.31 | 8 | 0.75 | 5/8″ | 5 | 7 |
| mm. | 165.1 | 22.4 | 84.1 | 33.3 | 62.5 | 7.9 | 19.1 | 15.9 | 127 | 3 | ||
| in. | 2 1/2″ | 7.5 | 1 | 3.94 | 1.5 | 2.97 | 0.31 | 8 | 0.88 | 3/4″ | 5.88 | 10 |
| mm. | 190.5 | 25.4 | 100.1 | 38.1 | 75.4 | 7.9 | 22.4 | 19.1 | 149.4 | 5 | ||
| in. | 3″ | 8.25 | 1.12 | 4.62 | 1.69 | 3.6 | 0.38 | 8 | 0.88 | 3/4″ | 6.62 | 13 |
| mm. | 209.6 | 28.4 | 117.3 | 42.9 | 91.4 | 9.7 | 22.4 | 19.1 | 168.1 | 6 | ||
| in. | 3 1/2″ | 9 | 1.19 | 5.25 | 1.75 | 4.1 | 0.38 | 8 | 0.88 | 3/4″ | 7.25 | 17 |
| mm. | 228.6 | 30.2 | 133.4 | 44.5 | 104.1 | 9.7 | 22.4 | 19.1 | 184.2 | 8 | ||
| in. | 4″ | 10 | 1.25 | 5.75 | 1.88 | 4.6 | 0.44 | 8 | 0.88 | 3/4″ | 7.88 | 22 |
| mm. | 254 | 31.8 | 146.1 | 47.8 | 116.8 | 11.2 | 22.4 | 19.1 | 200.2 | 10 | ||
| in. | 5″ | 11 | 1.38 | 7 | 2 | 5.69 | 0.44 | 8 | 0.88 | 3/4″ | 9.25 | 28 |
| mm. | 279.4 | 35.1 | 177.8 | 50.8 | 144.5 | 11.2 | 22.4 | 19.1 | 235 | 13 | ||
| in. | 6″ | 12.5 | 1.44 | 8.12 | 2.06 | 6.75 | 0.5 | 12 | 0.88 | 3/4″ | 10.62 | 39 |
| mm. | 317.5 | 36.6 | 206.2 | 52.3 | 171.5 | 12.7 | 22.4 | 19.1 | 269.7 | 18 | ||
| in. | 8″ | 15 | 1.62 | 10.25 | 2.44 | 8.75 | 0.5 | 12 | 1 | 7/8″ | 13 | 58 |
| mm. | 381 | 41.1 | 260.4 | 62 | 222.3 | 12.7 | 25.4 | 22.2 | 330.2 | 26 | ||
| in. | 10″ | 17.5 | 1.88 | 12.62 | 3.75 | 10.92 | 0.5 | 16 | 1.12 | 1″ | 15.25 | 91 |
| mm. | 444.5 | 47.8 | 320.5 | 95.3 | 277.4 | 12.7 | 28.4 | 25.4 | 387.4 | 41 | ||
| in. | 12″ | 20.5 | 2 | 14.75 | 4 | 12.92 | 0.5 | 16 | 1.25 | 1 1/8″ | 17.75 | 140 |
| mm. | 520.7 | 50.8 | 374.7 | 101.6 | 328.2 | 12.7 | 31.8 | 28.6 | 450.9 | 64 | ||
| in. | 14″ | 23 | 2.12 | 16.75 | 4.38 | 14.18 | 0.5 | 20 | 1.25 | 1 1/8″ | 20.25 | 190 |
| mm. | 584.2 | 53.8 | 425.5 | 111.3 | 360.2 | 12.7 | 31.8 | 28.6 | 514.4 | 86 | ||
| in. | 16″ | 25.5 | 2.25 | 19 | 4.75 | 16.19 | 0.5 | 20 | 1.38 | 1 1/4″ | 22.5 | 250 |
| mm. | 647.7 | 57.2 | 482.6 | 120.7 | 411.2 | 12.7 | 35.1 | 31.8 | 571.5 | 113 | ||
| in. | 18″ | 28 | 2.38 | 21 | 5.12 | 18.2 | 0.5 | 24 | 1.38 | 1 1/4″ | 24.75 | 295 |
| mm. | 711.2 | 60.5 | 533.4 | 130 | 462.3 | 12.7 | 35.1 | 31.8 | 628.7 | 134 | ||
| in. | 20″ | 30.5 | 2.5 | 23.12 | 5.5 | 20.25 | 0.5 | 24 | 1.38 | 1 1/4″ | 27 | 370 |
| mm. | 774.7 | 63.5 | 587.2 | 139.7 | 514.4 | 12.7 | 35.1 | 31.8 | 685.8 | 168 | ||
| in. | 24″ | 36 | 2.75 | 27.62 | 6 | 24.25 | 0.5 | 24 | 1.62 | 1 1/2″ | 32 | 550 |
| mm. | 914.4 | 69.9 | 701.5 | 152.4 | 616 | 12.7 | 41.1 | 38.1 | 812.8 | 249 |
lap joint flange class 600, 600# lap joint flange
Lap Joint Flanges
Class 600
| Nominal size | O | C | X | Y | B | R | No. of holes | Diam. of holes | Diam. of bolts | Diam. of bolt circle | Approx. weight pounds Kg | |
| O | C | X | Y | B | r | |||||||
| in. | 1/2″ | 3.75 | 0.56 | 1.5 | 0.88 | 0.9 | 0.12 | 4 | 0.62 | 1/2″ | 2.62 | 2 |
| mm. | 95.3 | 14.2 | 38.1 | 22.4 | 22.9 | 3 | 15.7 | 12.7 | 66.5 | 1 | ||
| in. | 3/4″ | 4.62 | 0.62 | 1.88 | 1 | 1.11 | 0.12 | 4 | 0.75 | 5/8″ | 3.25 | 3 |
| mm. | 117.3 | 15.7 | 47.8 | 25.4 | 28.2 | 3 | 19.1 | 15.9 | 82.6 | 1 | ||
| in. | 1″ | 4.88 | 0.69 | 2.12 | 1.06 | 1.38 | 0.12 | 4 | 0.75 | 5/8″ | 3.5 | 4 |
| mm. | 124 | 17.5 | 53.8 | 26.9 | 35.1 | 3 | 19.1 | 15.9 | 88.9 | 2 | ||
| in. | 1 1/4″ | 5.25 | 0.81 | 2.5 | 1.12 | 1.72 | 0.19 | 4 | 0.75 | 5/8″ | 3.88 | 5 |
| mm. | 133.4 | 20.6 | 63.5 | 28.4 | 43.7 | 4.8 | 19.1 | 15.9 | 98.6 | 2 | ||
| in. | 1 1/2″ | 6.12 | 0.88 | 2.75 | 1.25 | 1.97 | 0.25 | 4 | 0.88 | 3/4″ | 4.5 | 7 |
| mm. | 155.4 | 22.4 | 69.9 | 31.8 | 50 | 6.4 | 22.4 | 19.1 | 114.3 | 3 | ||
| in. | 2″ | 6.5 | 1 | 3.31 | 1.44 | 2.46 | 0.31 | 8 | 0.75 | 5/8″ | 5 | 9 |
| mm. | 165.1 | 25.4 | 84.1 | 36.6 | 62.5 | 7.9 | 19.1 | 15.9 | 127 | 4 | ||
| in. | 2 1/2″ | 7.5 | 1.12 | 3.94 | 1.62 | 2.97 | 0.31 | 8 | 0.88 | 3/4″ | 5.88 | 12 |
| mm. | 190.5 | 28.4 | 100.1 | 41.1 | 75.4 | 7.9 | 22.4 | 19.1 | 149.4 | 5 | ||
| in. | 3″ | 8.25 | 1.25 | 4.62 | 1.81 | 3.6 | 0.38 | 8 | 0.88 | 3/4″ | 6.62 | 15 |
| mm. | 209.6 | 31.8 | 117.3 | 46 | 91.4 | 9.7 | 22.4 | 19.1 | 168.1 | 7 | ||
| in. | 3 1/2″ | 9 | 1.38 | 5.25 | 1.94 | 4.1 | 0.38 | 8 | 1 | 7/8″ | 7.25 | 20 |
| mm. | 228.6 | 35.1 | 133.4 | 49.3 | 104.1 | 9.7 | 25.4 | 22.2 | 184.2 | 9 | ||
| in. | 4″ | 10.75 | 1.5 | 6 | 2.12 | 4.6 | 0.44 | 8 | 1 | 7/8″ | 8.5 | 36 |
| mm. | 273.1 | 38.1 | 152.4 | 53.8 | 116.8 | 11.2 | 25.4 | 22.2 | 215.9 | 16 | ||
| in. | 5″ | 13 | 1.75 | 7.44 | 2.38 | 5.69 | 0.44 | 8 | 1.12 | 1″ | 10.5 | 61 |
| mm. | 330.2 | 44.5 | 189 | 60.5 | 144.5 | 11.2 | 28.4 | 25.4 | 266.7 | 28 | ||
| in. | 6″ | 14 | 1.88 | 8.75 | 2.62 | 6.75 | 0.5 | 12 | 1.12 | 1″ | 11.5 | 78 |
| mm. | 355.6 | 47.8 | 222.3 | 66.5 | 171.5 | 12.7 | 28.4 | 25.4 | 292.1 | 35 | ||
| in. | 8″ | 16.5 | 2.19 | 10.75 | 3 | 8.75 | 0.5 | 12 | 1.25 | 1 1/8″ | 13.75 | 110 |
| mm. | 419.1 | 55.6 | 273.1 | 76.2 | 222.3 | 12.7 | 31.8 | 28.6 | 349.3 | 50 | ||
| in. | 10″ | 20 | 2.5 | 13.5 | 4.38 | 10.92 | 0.5 | 16 | 1.38 | 1 1/4″ | 17 | 170 |
| mm. | 508 | 63.5 | 342.9 | 111.3 | 277.4 | 12.7 | 35.1 | 31.8 | 431.8 | 77 | ||
| in. | 12″ | 22 | 2.62 | 15.75 | 4.62 | 12.92 | 0.5 | 20 | 1.38 | 1 1/4″ | 19.25 | 200 |
| mm. | 558.8 | 66.5 | 400.1 | 117.3 | 328.2 | 12.7 | 35.1 | 31.8 | 489 | 91 | ||
| in. | 14″ | 23.75 | 2.75 | 17 | 5 | 14.18 | 0.5 | 20 | 1.5 | 1 3/8″ | 20.75 | 250 |
| mm. | 603.3 | 69.9 | 431.8 | 127 | 360.2 | 12.7 | 38.1 | 34.9 | 527.1 | 113 | ||
| in. | 16″ | 27 | 3 | 19.5 | 5.5 | 16.19 | 0.5 | 20 | 1.62 | 1 1/2″ | 23.75 | 365 |
| mm. | 685.8 | 76.2 | 495.3 | 139.7 | 411.2 | 12.7 | 41.1 | 38.1 | 603.3 | 166 | ||
| in. | 18″ | 29.25 | 3.25 | 21.5 | 6 | 18.2 | 0.5 | 20 | 1.75 | 1 5/8″ | 25.75 | 435 |
| mm. | 743 | 82.6 | 546.1 | 152.4 | 462.3 | 12.7 | 44.5 | 41.3 | 654.1 | 197 | ||
| in. | 20″ | 32 | 3.5 | 24 | 6.5 | 20.25 | 0.5 | 24 | 1.75 | 1 5/8″ | 28.5 | 570 |
| mm. | 812.8 | 88.9 | 609.6 | 165.1 | 514.4 | 12.7 | 44.5 | 41.3 | 723.9 | 259 | ||
| in. | 24″ | 37 | 4 | 28.25 | 7.25 | 24.25 | 0.5 | 24 | 2 | 1 7/8″ | 33 | 810 |
| mm. | 939.8 | 101.6 | 717.6 | 184.2 | 616 | 12.7 | 50.8 | 47.6 | 838.2 | 367 |
Flange – Lap Joint , ANSI Class 1500
, long welding neck flange 1500
- ASME Standards
- ASME B16.5 – Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
- ASTM Standards
- ASTM A105 / A105M – Specification for Carbon Steel Forgings for Piping Applications
- Bolt circle diameters are 1/8 inch larger than bolt diameter.
| Nominal size | O | C | X | Y | B | R | No. of holes | Diam. of holes | Diam. of bolts | Diam. of bolt circle | Approx. weight pounds Kg | |
| O | C | X | Y | B | r | |||||||
| in. | 1/2″ | 4.75 | 0.88 | 1.5 | 1.25 | 0.9 | 0.12 | 4 | 0.88 | 3/4″ | 3.25 | 4 |
| mm. | 120.7 | 22.4 | 38.1 | 31.8 | 22.9 | 3 | 22.4 | 19.1 | 82.6 | 2 | ||
| in. | 3/4″ | 5.12 | 1 | 1.75 | 1.38 | 1.11 | 0.12 | 4 | 0.88 | 3/4″ | 3.5 | 5 |
| mm. | 130 | 25.4 | 44.5 | 35.1 | 28.2 | 3 | 22.4 | 19.1 | 88.9 | 2 | ||
| in. | 1″ | 5.88 | 1.12 | 2.06 | 1.62 | 1.38 | 0.12 | 4 | 1 | 7/8″ | 4 | 8 |
| mm. | 149.4 | 28.4 | 52.3 | 41.1 | 35.1 | 3 | 25.4 | 22.2 | 101.6 | 4 | ||
| in. | 1 1/4″ | 6.25 | 1.12 | 2.5 | 1.62 | 1.72 | 0.19 | 4 | 1 | 7/8″ | 4.38 | 9 |
| mm. | 158.8 | 28.4 | 63.5 | 41.1 | 43.7 | 4.8 | 25.4 | 22.2 | 111.3 | 4 | ||
| in. | 1 1/2″ | 7 | 1.25 | 2.75 | 1.75 | 1.97 | 0.25 | 4 | 1.12 | 1″ | 4.88 | 12 |
| mm. | 177.8 | 31.8 | 69.9 | 44.5 | 50 | 6.4 | 28.4 | 25.4 | 124 | 5 | ||
| in. | 2″ | 8.5 | 1.5 | 4.12 | 2.25 | 2.46 | 0.31 | 8 | 1 | 7/8″ | 6.5 | 25 |
| mm. | 215.9 | 38.1 | 104.6 | 57.2 | 62.5 | 7.9 | 25.4 | 22.2 | 165.1 | 11 | ||
| in. | 2 1/2″ | 9.62 | 1.62 | 4.88 | 2.5 | 2.97 | 0.31 | 8 | 1.12 | 1″ | 7.5 | 35 |
| mm. | 244.3 | 41.1 | 124 | 63.5 | 75.4 | 7.9 | 28.4 | 25.4 | 190.5 | 16 | ||
| in. | 3″ | 10.5 | 1.88 | 5.25 | 2.88 | 3.6 | 0.38 | 8 | 1.25 | 1 1/8″ | 8 | 47 |
| mm. | 266.7 | 47.8 | 133.4 | 73.2 | 91.4 | 9.7 | 31.8 | 28.6 | 203.2 | 21 | ||
| in. | 4″ | 12.25 | 2.12 | 6.38 | 3.56 | 4.6 | 0.44 | 8 | 1.38 | 1 1/4″ | 9.5 | 75 |
| mm. | 311.2 | 53.8 | 162.1 | 90.4 | 116.8 | 11.2 | 35.1 | 31.8 | 241.3 | 34 | ||
| in. | 5″ | 14.75 | 2.88 | 7.75 | 4.12 | 5.69 | 0.44 | 8 | 1.62 | 1 1/2″ | 11.5 | 140 |
| mm. | 374.7 | 73.2 | 196.9 | 104.6 | 144.5 | 11.2 | 41.1 | 38.1 | 292.1 | 64 | ||
| in. | 6″ | 15.5 | 3.25 | 9 | 4.69 | 6.75 | 0.5 | 12 | 1.5 | 1 3/8″ | 12.5 | 170 |
| mm. | 393.7 | 82.6 | 228.6 | 119.1 | 171.5 | 12.7 | 38.1 | 34.9 | 317.5 | 77 | ||
| in. | 8″ | 19 | 3.62 | 11.5 | 5.62 | 8.75 | 0.5 | 12 | 1.75 | 1 5/8″ | 15.5 | 285 |
| mm. | 482.6 | 91.9 | 292.1 | 142.7 | 222.3 | 12.7 | 44.5 | 41.3 | 393.7 | 129 | ||
| in. | 10″ | 23 | 4.25 | 14.5 | 7 | 10.92 | 0.5 | 12 | 2 | 1 7/8″ | 19 | 485 |
| mm. | 584.2 | 108 | 368.3 | 177.8 | 277.4 | 12.7 | 50.8 | 47.6 | 482.6 | 220 | ||
| in. | 12″ | 26.5 | 4.88 | 17.75 | 8.62 | 12.92 | 0.5 | 16 | 2.12 | 2″ | 22.5 | 630 |
| mm. | 673.1 | 124 | 450.9 | 218.9 | 328.2 | 12.7 | 53.8 | 50.8 | 571.5 | 286 | ||
| in. | 14″ | 29.5 | 5.25 | 19.5 | 9.5 | 14.18 | 0.5 | 16 | 2.38 | 2 1/4″ | 25 | 890 |
| mm. | 749.3 | 133.4 | 495.3 | 241.3 | 360.2 | 12.7 | 60.5 | 57.2 | 635 | 404 | ||
| in. | 16″ | 32.5 | 5.75 | 21.75 | 10.25 | 16.19 | 0.5 | 16 | 2.62 | 2 1/2″ | 27.75 | 1050 |
| mm. | 825.5 | 146.1 | 552.5 | 260.4 | 411.2 | 12.7 | 66.5 | 63.5 | 704.9 | 476 | ||
| in. | 18″ | 36 | 6.38 | 23.5 | 10.88 | 18.2 | 0.5 | 16 | 2.88 | 2 3/4″ | 30.5 | 1475 |
| mm. | 914.4 | 162.1 | 596.9 | 276.4 | 462.3 | 12.7 | 73.2 | 69.9 | 774.7 | 669 | ||
| in. | 20″ | 38.75 | 7 | 25.25 | 11.5 | 20.25 | 0.5 | 16 | 3.12 | 3″ | 32.75 | 1775 |
| mm. | 984.3 | 177.8 | 641.4 | 292.1 | 514.4 | 12.7 | 79.2 | 76.2 | 831.9 | 805 | ||
| in. | 24″ | 46 | 8 | 30 | 13 | 24.25 | 0.5 | 16 | 3.62 | 3 1/2″ | 39 | 2825 |
| mm. | 1168.4 | 203.2 | 762 | 330.2 | 616 | 12.7 | 91.9 | 88.9 | 990.6 | 1281 |
Lap Joint Flange ring type joint, Lap Joint Flange rtj
Lap Joint Flanges have all the same common dimensions as any other flange named on this page however it does not have a raised face, they used in conjunction with a “Lap Joint Stub End“.These flanges are nearly identical to a Slip On flange with the exception of a radius at the intersection of the flange face and the bore to accommodate the flanged portion of the Stub End.
4″ Class 150 Lap Joint Raised Face Flange
- Bolt Diameter:5/8"
- Bolt Hole Diameter:7-1/2"
- Class:150
- Flange Outer Diameter:9.00"
- Hub Diameter:5.31"
- Length Through Hub:1.31"
- Material:Steel
- Number of Holes:8
- Pipe Size:4"
- Specification:ASTM A 105, ANSI B16.5
- Style:Raised Face
- Thickness:0.94"
- Type:Lap Joint Flange
- Product Weight: 13 lbs
6″ Class 150 Lap Joint Raised Face Steel Flange
- Bolt Diameter:3/4"
- Bolt Hole Diameter:9-1/2"
- Class:150
- Flange Outer Diameter:11.00"
- Hub Diameter:7.56"
- Length Through Hub:1.56"
- Material:Steel
- Number of Holes:8
- Pipe Size:6"
- Specification:ASTM A 105, ANSI B16.5
- Style:Raised Face
- Thickness:1.00"
- Type:Lap Joint Flange
- Product Weight: 19 lbs
Lap Joint Flange price list
bw 6inch sch40 carbon steel a105 long welding neck flange
US $0.01-260 / Piece
a105 raised face long weld neck carbon steel flange price
US $1-6 / Piece
Weld neck flange, good price long weld neck flange
US $5-30 / Piece
Weld Neck Flange,Sch80 Welding Neck,Price Lap Joint Flange
US $1-999 / Piece
Types of Lap Joint Flange, Lap Joint flanges Types
| • | SS 310 / 310S Lap Joint Flanges | • | Duplex Steel UNS S31803 Lap Joint Flanges |
| • | Stainless Steel 304 / 304L Lap Joint Flanges | • | Duplex Steel Lap Joint Flanges |
| • | Stainless Steel 316 / 316L Lap Joint Flanges | • | Duplex Steel UNS S32205 Lap Joint Flanges |
| • | Stailess Steel 321 / 321H Lap Joint Flanges | • | Super Duplex UNS S32750 Lap Joint Flanges |
| • | Monel 400 Lap Joint Flanges | • | Hastelloy C276 Lap Joint Flanges |
| • | SS Lap Joint Flanges | • | Steel Lap Joint Flanges |
| • | Inconel 625 Lap Joint Flanges | • | Alloy 20 Lap Joint Flanges |
| • | Cu-Ni 70/30 (C71500) Lap Joint Flanges | • | Cu-Ni 90/10 (C70600) Lap Joint Flanges |
| • | ASTM A105 Lap Joint Flanges | • | ASTM A350 LF2 / LF3 Lap Joint Flanges |
| • | Inconel 600 Lap Joint Flanges | • | Hastelloy B2 Lap Joint Flanges |
| • | SS 317 / 317L Lap Joint Flanges | • | Super Duplex Lap Joint Flanges |
| • | SS 347 Lap Joint Flanges | • | Super Duplex UNS S32950 Lap Joint Flanges |
| • | Monel K500 Lap Joint Flanges | • | Hastelloy C22 Lap Joint Flanges |
| • | Stainless Steel 446 Lap Joint Flanges | • | ANSI Lap Joint Flanges |
| • | Inconel 718 Lap Joint Flanges | • | 904L Lap Joint Flanges |
| • | Incoloy 800 Lap Joint Flanges | • | Titanium Gr 2 Lap Joint Flanges |
| • | Incoloy 825 Lap Joint Flanges | • | Titanium Gr 5 Lap Joint Flanges |