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Lap Joint Flanges

ASME B16.5 Lap Joint Flanges | ANSI B16.5 Lap Joint Flanges  | Carbon, Alloy, Stainless Steel Lap Joint Flanges | Lap Joint Forged Flanges |Lap Joint Pipe Flanges Manufacturer in India     

Lap Joint Flanges(Loose Flanges) are used with a corresponding stub-end that “inserts” in the inside of the flange.  The main benefit of this type of flange, is that once the pipe welds to the insert stub-end, the flange then can rotate for easier alignment of the bolting holes.  However, lap joint flanges and their stub-ends’ ability to hold pressure is about the same as slip-on flanges.  They are not suitable for situations with a high external or changing loads of force.  They do provide an advantage in a piping system that needs frequent dismantling for inspection or to remove build-ups.

Lap Joint Flange Specification:

Stainless Steel Lap Joint Flange | Carbon Steel Lap Joint Flange | Nickel Alloys Lap Joint Flange


Key Features:

  • Used with a matching stub-end insert
  • Recommended in applications that require frequent dismantling of the flanges and pipe
  • Lap joint flange can rotate to allow for an easy alignment of bolt holes
  • Not recommended in extreme pressure temperature applications

ANSI B16.5, ANSI B16.67 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Pressure Rating:
Class 150, Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN46 etc.

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

Carbon Steel Lap Joint Steel:
ASTM A105,ASTM A105N,GB 20,C22.8

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

Coating/Surface Treatement:
Anti rust paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Galvanized

Marking & Packaging:
At Red Earth Steel will be special Lap Joint flanges with plastic cover to ensure the integrity of sealing surface. Bubble bag, then put in to export wooden neatly in to products during transportation to prevent bumps , scratches and other situations encountered or as per customer requirement.

Value Added Services:
Die forging, CNC Machining, Customized Flanges

Technical Information- Specifications, Dimensions Lap Joint Flanges:

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