Weld Neck Flange

As a trusted Weld Neck Flange Manufacturer, we specialize in producing high-quality weld neck flanges designed for high-pressure and high-temperature piping applications. Manufactured from premium-grade materials using advanced engineering techniques, our flanges offer excellent strength, durability, and resistance to corrosion. Weld neck flanges are widely used in oil & gas, petrochemical, chemical, power, and water treatment industries due to their reliable performance and leak-proof connections. Available in various sizes, pressure classes, and material grades, our products adhere to international standards such as ASTM, ASME, and ANSI. With strict quality control and timely delivery, we provide dependable flange solutions globally

Weld Neck Flange Standard Specifications

Class/Pressure Rating : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Standards/Dimensions : ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, BS, GOST, MSS SP-44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605

Flange Face Types/Connection Type : Flat Face Flange (FF), Raised Face Flange (RF), Ring Joint Flange (RTJ), Lap Joint Flange, Male and Female Flange (M&F), Large and Small Tongue-and-Groove Flange (T&G)

Material Test Certificates (MTC) : As per EN 10204 3.2 and EN 10204 3.1, Test Certificates certifying NACE MR0175, NACE MR0103

Test Certificates : 100% Radiography Test Report, EN 10204/3.1B, Raw Materials Certificate, Third Party Inspection Report, etc

Tests : Hydrostatic testing machine, Direct-reading Spectrograph, UI trasonic flaw detector, X-ray detector, Magnetic particle detector

Equipment/Machines : Press machine, Pushing Machine, Bending machine, Sand-blasting machine, electric bevelling machine, etc.

Coating : Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized

Details : 

• Weld Neck Flange Material Grades
• Weld Neck Flange Standards
• Weld Neck Flange Schedule
• Weld Neck Flange Weight
• Weld Neck Flange Dimensional Tolerances
• ASME B16.5 Weld Neck Flange Class 150 Dimensions
• ASME B16.5 Weld Neck Flange Class 300 Dimensions
• ASME B16.5 Weld Neck Flange Class 600 Dimensions
• Weld Neck Flange Industries and Applications
• Weld Neck Flanges Supply and Export Network
• How To Order Weld Neck Flanges?
• Weld Neck Flange Price and Other Flange Types
• Weld Neck Flange
• Long Weld Neck Flange
• Slip On Flange
• Spectacle Blind Flanges
• Socket Weld Flanges
• Blind Flanges / Dummy Flange
• Screwed / Threaded Flanges
• Orifice Flanges
• Lap Joint Flanges
• ANSI B16.5 Square Flanges
• Ring Type Joint Flanges
• Tongue and Groove Flange
• Expander Flanges
• Reducing Flanges
• Male & Female Flanges
• Weldolet Flange
• Nipolet Flange
• Backing Ring Flanges
• Ring Spacer Flanges
• Paddle Blind Flanges
• Plate Flange
• High Hub Blind Flange
• Custom Flanges
• Swivel Ring Flange