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Stainless Steel Lap Joint Flanges Manufacturers in India

ASME/ANSI B16.5 Lap Joint Pipe Flanges Manufacturer In India

Manufacturer/Exporter Of High Quality Lap Joint (Lj) Forged Flanges

Carbon, Alloy, Stainless Steel Lap Joint Flanges

Lap Joint Flanges are similar to other types of industrial flanges, but it does not have a raised face. Lap joint flanges are used in conjunction with a “Lap Joint Stub End”. The total initial cost of a lap joint flange along with a stub end is around one-third higher than that of comparable welding neck flanges. The pressure holding capacity of lap joint flanges is comparatively lower, and the fatigue life for the assembly is only one tenth that of welding neck flanges. 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. PIPEFIT is a specialised manufacturer of high quality ASME/ANSI/DIN industrial lap joint flanges in India. We offer immediate delivery programs for standard size carbon steel lap joint flanges and stainless steel lap joint flanges.


Dimensions Lap Joint Flanges & Stud Bolts ASME B16.5

NPS 1/2 - ID = 22.9 - r = 3

CL 150 300 600 900 1500 2500
DIA A 30 38 38 38 38 43
DIA D 90 95 95 120 120 135
THK B 11.2 14.3 14.3 22.3 22.3 30.2
DIA K 60.3 66.7 66.7 82.6 82.6 ...
DIA K 16 22 22 32 32 40
No L 4 4 4 4 4 4
DIA L 15.9 15.9 15.9 22.2 22.2 22.2

Stud Bolts Diameter x Length


DIA (IN) 1/2 1/2 1/2 3/4 3/4 3/4
Len mm 55 65 75 110 110 120

Other Diameters


NPS
1/2
3
14
3/4
16
1
4
18
6
20
8
24
2
10
...
12
...
Notes:

• Dimensions are in millimeters unless otherwise indicated.

• The length of the Stud Bolt does not include the height of the chamfers (points).

Lap Joint Flanges, LJ Forged Flanges Production Range

Stainless Steel Lap Joint Flange

Alloy Steel, Carbon Steel Lap Joint Flange

1-Lap Joint Flange | 2-Stub End | 3-Butt weld | 4-Pipe or Fitting

 Size: 1/2″ (15 NB) to 48″ (1200NB)

Standards: ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Pressure Ratings: Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc.

Carbon Steel Lap Joint Flanges: ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange), Steel RST37.2, C22.8

Stainless Steel Lap Joint Flanges: ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L

Alloy Steel Lap Joint Flanges: ASTM A182 F1, F5, F9, F11, F22, F91

Special Alloy Lap Joint Flanges: Duplex, Super Duplex, Nickel Alloys

Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Coating/Surface Treatment: Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized





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