Lap Joint Flange

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 stubends’
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:
ASME / ANSI B16.5 Lap Joint Flange 150lb
ASME / ANSI B16.5 Lap Joint Flange 300lb
ASME / ANSI B16.5 Lap Joint Flange 400lb
ASME / ANSI B16.5 Lap Joint Flange 600lb
ASME / ANSI B16.5 Lap Joint Flange 900lb
ASME / ANSI B16.5 Lap Joint Flange 1500lb
ASME / ANSI B16.5 Lap Joint Flange 2500lb
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