Duplex Weld Neck Flanges, Certification : ISO Certifications

AstroForge Fitting Industries is a globally recognized manufacturer, supplier, and exporter of premium Weld Neck Flanges that meet the most rigorous international standards including ASME, ANSI, DIN, EN, JIS, and ISO. Our products are available in a wide range of pressure classes—from Class 150 to Class 900 (and up to Class 1500/2500)—designed specifically for high-pressure and high-temperature applications in industries such as oil & gas, petrochemicals, power generation, refineries, and more.
Our Key Resources & Quality Commitment
We believe that exceptional quality starts with stringent standards and comprehensive resources. Our product pages and technical datasheets provide access to:
Weld Neck Flange Tolerances & Weight Charts
ANSI B16.5 Weld Neck Flange Specifications
Detailed Technical Datasheets
Manufacturing Standards & ISO Certifications
Industry-Specific Applications & Case Studies
Inspection, Packing, & Global Export Information
We serve industries worldwide with a strong focus on quality control and adherence to manufacturing standards. Our in-house quality management system is ISO 9001 certified, and we continuously maintain compliance with additional standards such as ISO 14001 for environmental management and ISO 45001 for occupational health and safety.
Product Overview
AstroForge Fitting Industries proudly supplies Weld Neck Flanges in a broad spectrum of materials—such as Duplex, Super Duplex, Stainless Steel, Nickel Alloys, Carbon Steel, and Alloy Steel—to meet the diverse demands of global industries. Our products are used by leading companies in South Africa, Malaysia, Singapore, the United Kingdom, the Philippines, Australia, the Middle East, and many other regions.