Weld Neck Flanges Manufacturer In India | Astm A105, Astm A350 Lf2 & Astm A694 Flanges

Remax Forge & Fittings is a leading Weld Neck Flanges Manufacturer providing high-quality forged flanges to high-pressure piping systems, petrochemical plants, refineries, offshore platforms, power-generation facilities, and industrial processing units. The Weld Neck Flanges are engineered having a long tapered hub that gives good distribution of stress and higher structural integrity. The advantages of these flanges are that they can withstand higher strength, have excellent fatigue, high sealing performance and have long life under harsh pressure and temperature conditions. They are also preferred because of their strong construction and are used in critical industrial applications.

Weld Neck Flanges can be sourced by the industrial procurement managers and project engineers with a reliable B2B Portal that provides tailored dimensions, material grades, and economies of scale. These flanges are available in various pressure classes and international specifications which are suitable in a demanding environment with extraordinary mechanical performance demanded. With their butt-weld joint, turbulence is greatly decreased and stress is not concentrated on the piping system which makes them suitable in high-pressure and high-temperature service applications. Close quality checks are done to guarantee adherence to global industry standards.

Material & Weight Chart of Weld Neck Flanges

Weld Neck Flanges are produced in line with ASME and ASTM specifications and are available in different sizes to fit industrial piping systems. The table below has common specifications and approximate weights.

Material Grade	Nominal Size (NB)	Pressure Class	Flange Type	Standard	Approx. Weight (kg)
ASTM A105	1/2"	150#	Weld Neck	ASME B16.5	0.95
ASTM A105	1"	300#	Weld Neck	ASME B16.5	2.30
ASTM A182 F304	2"	300#	Weld Neck	ASME B16.5	5.40
ASTM A182 F316	4"	600#	Weld Neck	ASME B16.5	16.80
ASTM A105	6"	600#	Weld Neck	ASME B16.5	31.50
ASTM A182 F316L	8"	900#	Weld Neck	ASME B16.5	54.90

Weld neck flanges have extensive applications in the industries where maximum reliability and strength is required due to high pressure, high temperatures and critical service conditions. They are capable of carrying heavy loads and their thermal expansion behavior is very good, and hence can be used in oil and gas installations, chemical plants, power station, and heavy engineering projects. In cases where economical installation and efficient operation is needed in moderate-pressure piping systems, Slip On Flanges are also widely used in industrial pipelines, water treatment and process engineering systems.