Lap Joint Flanges

Short Description:

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.


Product Detail

Product Tags

Lap Joint Flanges

product description:

Furthermore, a standard lap joint flange will typically have a longer hub length in comparison to a slip on flange, but this is often considered unnecessary for many applications.

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: A182 F304/F304L/F316/F316L/F321
  • Alloy steel: F11, F12

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.


  • Previous:
  • Next:

  • Write your message here and send it to us