Lap Joint Flanges

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

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.