Petroleum Zinc Plated Forged Steel Blind Flange Class 150 | 1/2-78 Inch Size Range | 20,000 Tons Annual Capacity

Custom forged steel blind flange with petroleum zinc plating, designed for Class 150 pressure applications. Manufactured to meet EN10204-3.1 certification standards with comprehensive quality control.

• High pressure resistance for Class 150 applications
• Excellent sealing performance
• Available in flat welding and butt welding configurations
• Maximum dimensions: 3000mm rings/plates, 12000mm shafts
• Precision machining with dimensional accuracy to 0.01mm
• Surface roughness as low as Ra0.6
• Single piece weight capacity up to 16 tons

Comprehensive testing includes chemical composition analysis, tensile strength, yield strength, reduction of area, low temperature impact testing, intergranular corrosion, hardness, metallographic examination, NDT, dimensional verification, and static balance performance parameters.

• Chemical processing and petroleum refining systems
• Wellheads and x-mas tree equipment
• Power generation facilities including wind power
• Mining machinery and industrial equipment
• Aerospace, marine, and transportation systems
• Structural engineering and building frameworks

Advanced manufacturing capabilities include free forging, die forging, rolling ring, high pressure casting, centrifugal casting, heat treatments (normalizing, quenching, tempering, solution, aging), and precision machining (turning, milling, drilling, grinding, hobbing).

30% down payment before production, 70% against copy of Bill of Lading. L/C at sight or 30 days, T/T accepted.