ASME/ANSI B16.5, B16.47 Loose Lap Joint Flange Manufacturers

Creative Piping provides high-quality lap joint flanges, catering to diverse industrial needs with precision and reliability. As a trusted supplier, We offer a comprehensive range of lap joint flanges designed to facilitate easy assembly and disassembly of piping systems. These loose lap joint flanges feature a flat face and a stub end that allows for swiveling around the pipe axis, making them for applications requiring frequent maintenance or alignment adjustments. Known for their durability and superior sealing capabilities, Our lap joint flanges ensure efficient operation and minimal downtime in critical industrial environments such as petrochemical plants, refineries, and marine installations.

With a commitment to quality and customer satisfaction, We are a dependable partner for sourcing lap joint flanges tailored to specific project requirements. By maintaining a comprehensive inventory and adhering to industry-leading practices, We remain a preferred choice for businesses seeking durable, high-performance lap joint flanges. Our focus on customer satisfaction and continuous improvement underscores our reputation as a reliable partner in the supply of industrial piping solutions.

ASME/ANSI B16.5, B16.47 Lap Joint Flange

ASME/ANSI B16.5, B16.47 Lap Joint Flange

Looking for Lap Joint Flange? Our Loose Lap Joint Flange Manufacturers & Suppliers offer sizes from 1/2” NB to 48” NB in materials like Carbon Steel, Stainless Steel, Alloy Steel, Duplex & Super Duplex, and Nickel Alloys. Call us to get the best prices.

ANSI/ASME B16.5 Lap Joint Flange Specification

Dimensions 01

ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN

Size range 02

15mm ( 1/2" NPS ) up to 1200 mm ( 48" NPS ), For 2500# in sizes from NPS 1/2 to NPS 12

Applications 03

oil and gas, petrochemicals, power generation, marine and food process lines, and water treatment

Materials 04

Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel & Super Duplex Steel, LTCS, Nickel Alloy


Flange Face Type 05

FF—Flat Face, RF—Raised Face, FM—Female Face, M—Male Face, T—Tongue Face, G—Groove Face, RJ—Ring Joint.

Class/Pressure 03

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64.


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01 What are the components of a lap joint flange assembly?

It consists of a stub end (welded to the pipe) and a backing flange (which bolts to another flange or fitting). The stub end acts as a socket that the backing flange slides over.
Lap joint flanges are available with raised face (RF) or flat face (FF) configurations. The choice of facing type depends on the application requirements and the type of sealing gasket used.
Lap joint flanges differ from weld neck, slip-on, and socket weld flanges primarily in their assembly and design. They are unique in allowing the backing flange to rotate around the stub end, aiding in alignment during installation.
Lap Joint Flange Suppliers