High Quality RF Rtj ASME B16.5 Hastelloy Long Welding Neck Flange

High Quality RF Rtj ASME B16.5 Hastelloy Long Welding Neck Flange. Long tapered hub relieves stress concentration, strong anti-fatigue for thermal cycling service. Full penetration butt weld structure, zero leakage for high-pressure hazardous medium. One-piece forging, multiple alloy material options for anti-corrosion harsh environments. Long neck design simplifies welding and full NDT inspection of weld joints. Wide pressure rating Class150-2500, ideal for vessel nozzle & critical pipeline. Compliant with global industrial standards, customizable size, face type and neck heightSize.