
stub end Lap Joint Flanges
- Payment Type:
- L/C, T/T
- Incoterm:
- FOB, CFR, CIF
- Min. Order:
- 10 Piece/Pieces
- Min. Order:
- 10 Piece/Pieces
- Delivery Time:
- 20 Days
- Transportation:
- Ocean, Land, Air, Train/TNT/DHL
- Port:
- Zhengzhou Train Station, Tianjin New Port, Beijing Air Port
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Contact NowPlace of Origin: | Cangzhou,China |
---|---|
Productivity: | 1000pcs/month |
Supply Ability: | 1000pcs/month |
Payment Type: | L/C,T/T |
Incoterm: | FOB,CFR,CIF |
Certificate: | ISO/CE/API |
HS Code: | 73079900 |
Transportation: | Ocean,Land,Air,Train/TNT/DHL |
Port: | Zhengzhou Train Station,Tianjin New Port,Beijing Air Port |
Lap joint flange is having two components, a stub end, and a loose backing flange. Stub end is butt welded to the pipe and Backing flange freely move over the pipe. The backing flange can be of different material than stub material and normally of the carbon steel to save the cost. Lap flange is used where frequent dismantling is required, and space is constrained.
The lap joint flange is practically identical to a slip-on flange except it has a radius at the intersection of the bore and flange face.

The lap joint flange is practically identical to a slip-on flange except it has a radius at the intersection of the bore and flange face. This radius is necessary to have the flange accommodate a lap joint stub end. Normally, a lap joint flange and a lap joint stub end are mated together is an assembly system.
Standards, Dimensions & Weight
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ANSI/ASME B16.5 Class 150 LJ
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ASME/ANSI B16.5 Class 300 LJ
-
ASME/ANSI B16.5 Class 600 LJ
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ASME/ANSI B16.5 Class 900 LJ
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ASME/ANSI B16.5 Class 1500 LJ
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ASME/ANSI B16.5 Class 2500 LJ
Standards: ANSI, MSS, API, AWWA, DIN, JIS, BS and GB.
Process: free forging, plate cutting.
Sizes range: 1/2" to 64" (and much larger size according to customers' demands).
Printing: Carbon steel and alloy steel with yellow print, black print, oil or zinc.
Packing: in wooden cases, wooden pallets or as per customers' special requirement, Standard Export Package.
* We can also manufacture special application flanges and forgings that customers require.
Lap joint flange draws :
1. Lap Joint flange 2. Stub End 3. Butt weld 4. Pipe or Fitting
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.
Flange Material:
-
Cabon steel: A105, A350 LF2
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Stainless Steel Lap Joint Flange: A182 F304/F304L/F316/F316L/F321
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Alloy Lap Joint Flange: F11, F12
The lap joint flange is practically identical to a slip-on flange except it has a radius at the intersection of the bore and flange face.

The lap joint flange is practically identical to a slip-on flange except it has a radius at the intersection of the bore and flange face. This radius is necessary to have the flange accommodate a lap joint stub end. Normally, a lap joint flange and a lap joint stub end are mated together is an assembly system.

Standards, Dimensions & Weight
- ANSI/ASME B16.5 Class 150 LJ
- ASME/ANSI B16.5 Class 300 LJ
- ASME/ANSI B16.5 Class 600 LJ
- ASME/ANSI B16.5 Class 900 LJ
- ASME/ANSI B16.5 Class 1500 LJ
- ASME/ANSI B16.5 Class 2500 LJ
Standards: ANSI, MSS, API, AWWA, DIN, JIS, BS and GB.
Process: free forging, plate cutting.
Sizes range: 1/2" to 64" (and much larger size according to customers' demands).
Printing: Carbon steel and alloy steel with yellow print, black print, oil or zinc.
Packing: in wooden cases, wooden pallets or as per customers' special requirement, Standard Export Package.
* We can also manufacture special application flanges and forgings that customers require.
Lap joint flange draws :

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.
Flange Material:
-
Cabon steel: A105, A350 LF2
-
Stainless Steel Lap Joint Flange: A182 F304/F304L/F316/F316L/F321
- Alloy Lap Joint Flange: F11, F12
Forged steel Flange are perfectly finished with precision using the latest machinery.
Dimension to be in accordance with JIS ANSI DIN BS standard accordingly.
Forged flange is defined as a plate type device, normally round, that is attached to the end of a pipe, fitting, valve or other object to facilitate the assembly and disassembly of a piping system.
Forged stainless steel flange
Forged steel flanges made of carbon steel or stainless steel, the materials conform to the JIS, ASTM A182,A105, DIN17100 ST-2 and BS standard. Dimension to be in accordance with JIS ANSI DIN BS standard accordingly.
Forged Pipe Fittings are suitable for connection of steel pipes conveying mediums such as steam, oil, air and water. They are widely used in Chemical industry and Shipbuilding . And the flanges are suitable for welding.The flanges mainly include Welding Neck, Blind, Slip-on, Lap-Joint, Socket,Reducing and Plate type.
Size available: 1/2"--72"(DN15-DN1800).
Forged steel flanges made of carbon steel or stainless steel, the materials conform to the JIS, ASTM A182,A105, DIN17100 ST-2 and BS standard.
In the production, press the mass of the forging parts, the quantity of the batch of different forging methods. Free forging productivity is low, processing surplus is large, but the tool is simple, universality is large, so it is widely-
Forged steel flanges are made in seven primary ratings:
Asme B 16.5 Class 150 lb 400 lb 900lb 2500lb 300lb 600lb 1500lbcutting and then continue to beat, to eliminate the ingot in the segregation, loose and other defects. Price and mechanical properties are higher than ordinary casting flange a grade. The flange is a part that connects the pipe with the pipe and the valve, is connected to the pipe end. It is also used for the flange on the equipment inlet and outlet.
face type:Flat Face, Raised Face, Ring Joint Face, Lap Joint Face, Male Face, Female Face, Tongue & Groove Face
Type:
Weld Neck Flange, Slip On Flange, Blind Flange, Socket Welding Flange, Thread Flange, Reducing Flange,Spectacle Blind Flange, Orifice Flange
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