Companion Flanges Manufacturer

Riddhi Siddhi Metal Impex is a leading Companion Flanges Manufacturer that provides quality flanges in water distribution systems, industrial pipelines, marine systems, municipal projects, and process industries. The flanges are engineered to ensure secure and leak-proof connections among the pipes, valves, pumps, and fittings, and are easy to install and maintain. Made of high-grade materials, and manufactured as per international standards, Companion Flanges are strong, have high dimensional accuracy, resist corrosion, and have a long life of operation in harsh environments.

Companion Flanges are frequently purchased by industrial buyers and contractors via a reputable B2B Marketplace that offers a complete selection of sizes, drilling patterns, and pressure ratings. These flanges are extensively used in infrastructure projects and fluid handling systems where reliable operation and assembly convenience are vital. Their accuracy in construction guarantees proper alignment and a good sealing performance, which makes them applicable in industrial and commercial piping systems.

Material & Weight Chart of Companion Flanges

Companion Flanges are produced as per international standards and are available in different dimensions to address the different industrial needs. The chart below gives specifications and approximate weights in use.

Material Grade	Nominal Size (NB)	Pressure Class	Flange Type	Standard	Approx. Weight (kg)
ASTM A105	1/2"	150#	Companion Flange	ASME B16.5	0.58
ASTM A105	1"	150#	Companion Flange	ASME B16.5	1.20
ASTM A182 F304	2"	300#	Companion Flange	ASME B16.5	2.95
ASTM A182 F316	4"	300#	Companion Flange	ASME B16.5	7.85
ASTM A105	6"	600#	Companion Flange	ASME B16.5	15.40
ASTM A182 F22	8"	600#	Companion Flange	ASME B16.5	27.80

Companion Flanges find wide application in water treatment plants, irrigation systems, industrial piping systems, and utility infrastructure projects where there is a need to have reliable pipe connections. Their strong construction and superior sealing properties can be attributed to efficient system functioning and fewer maintenance needs. Socket Weld Flanges are also extensively used in refineries, power plants, petrochemical plants and process industries that demand safe connections and durability in high-pressure piping over extended periods.