Steel Weld Neck Flange DN350 PN40 S235JRG2 EN 1092-1

Steel Weld Neck Flange DN350 PN40 is a critical component for the safe operation of various trunk lines, ranging from oil and gas pipelines to water and heat supply systems. With a 350 mm diameter and a pressure rating of up to 40 bar, this flange ensures system integrity under a wide range of operating conditions and loads.

Collar flanges are manufactured using carefully selected St20 (C20 / S235JRG2) steel, compliant with GOST 12820-80 and EN1092-1 standards. Blanks are formed using hot forging or forging methods, guaranteeing the absence of internal defects and ensuring high strength and durability.

These flanges are used in high-reliability industrial pipelines, resistant to high pressures. The operating temperature range is -40°C to +450°C. Flatness control, proper bolt tightening, and gasket selection ensure connection stability and tightness throughout the service life.

UTMK offers the Steel Weld Neck Flange DN350 PN40 at competitive prices. Self-pickup is available from warehouses in Warsaw, Lodz, Krakow, Poznan, Sofia, Varna, and Plovdiv. Delivery is available to any location in Poland and Bulgaria as well as throughout Europe, including Romania, Hungary, Croatia, and France.