Hebei Yadu Pipeline Equipment Group Co., Ltd. Is a Chinese leading manufacturer & supplier of flanges,high-pressure pipe fittings and pipelines for over 40 years experience.

Our main products are High pressure flanges,elbows,tees,reducers,pipe caps,bend,forged socket fittings,forged threaded fittings etc.

Production range:Nominal Diameter:DN15-DN3600;Pressure class:150#,300#,600#,900#,2000#,3000#,6000#,9000#;Material:ASTM A105N/A182Gr.F304/L/F316/L/A350LF2/A694F42 to F70/WP5/
WP9/WP11/WP22/NACE MR-0175/Other Grade available on Request. International Standard: ASMEB16.5/HG20592/DIN2527,2573.2627-2638,2673,2552,2653,2655,2656,2641,2642,2565-2569/GOST12820/JIS B2220

Our products are widely used in industrial pipelines in petroleum, chemical, natural gas, electric power and nuclear power, metallurgy, shipbuilding, food, pharmaceutical and other industries.

Product	WN Flange/so Flange/PL Flange/BL Flange/Spectacle Blind Flange
Technology	Forging
Size	1/2" -120" DN15-DN3000
Pressure Class	150#,300#,600#,900#,2000#,3000#,6000#,9000#
Material	ASTM A105N/A182Gr.F304/L/F316/L/A350LF2/A694F42 to F70/WP5/ WP9/WP11/WP22/NACE MR-0175/Other Grade available on Request
Standard	ASMEB16.5/HG20592/DIN2527,2573.2627-2638,2673,2552,2653,2655,2656,2641,2642,2565-2569/GOST12820/JIS B2220
Coating	Anti corrosive paint/Galvanized (Hot Dipped Elector-Plating) etc.
Inspection	Chemical Elements/ Mechanical Property/Metallographic Test/HIC/SSC/Heat Treatment/Ultrasonic Test/Penetration Test/Magnetic Powder Test/X-Ray Test/ Hydraulic Pressure Test/Blasting Experiment
Application	Water Disposal,Electric Power,Chemical Engineering,Ship Building,Nuclear Energy, Garbage Disposal,Natural Gas,Petroleum Oil.

Weld neck flange is a kind of pipe fitting, which refers to a flange with a neck and a round pipe transition and connected to the pipe by butt welding.