The Blind Flange stands as a critical safeguard in industrial piping systems, providing a robust, leak-proof seal to close pipe or equipment ports while accommodating diverse pressure demands through its versatile sealing surface designs. Precision-engineered from high-quality carbon steel, stainless steel, or alloy materials, this flange delivers unmatched durability and corrosion resistance, making it indispensable for high-pressure, high-temperature, or corrosive environments in oil and gas refineries, chemical plants, and power generation facilities. Its flat, concave-convex, or ring-joint sealing faces ensure a flawless match with companion flanges, creating a secure barrier against fluid or gas leakage even under extreme operational conditions. The bolted connection allows rapid installation and removal, enabling efficient maintenance or system modifications without compromising integrity—a vital feature for pressure testing, equipment upgrades, or emergency shutdowns. From isolating sections of steam pipelines to sealing reactor vessels in pharmaceutical production, the Blind Flange ensures compliance with stringent safety standards while minimizing downtime costs. Its compatibility with a wide range of gasket materials and pressure classes (PN/Class ratings) makes it adaptable to virtually any critical application, including cryogenic storage, offshore drilling, and nuclear systems. Backed by rigorous non-destructive testing and adherence to ASME, EN, and ISO standards, this flange guarantees reliability in the most demanding scenarios. For engineers seeking to eliminate leakage risks and enhance system longevity, the Blind Flange is the ultimate choice. Secure your infrastructure today with our premium Blind Flanges—where precision engineering meets uncompromising safety, empowering your operations to perform with absolute confidence in the face of pressure, temperature, and time. Choose reliability, choose excellence, and build a safer tomorrow.
Function | Close the pipe or equipment port to prevent medium leakage, often used with matching flanges. Sealing surfaces vary (flat, concave, convex, etc.) to suit different pressure requirements. |
Production Process | 1. Material selection (carbon steel, stainless steel, etc.) 2. Forging 3. Heat treatment 4. Finishing 5. Non-destructive testing 6. Surface treatment |
Application Field | Petroleum storage tanks, chemical reactors, end plugging, and pressure testing of pipeline systems. |
Specification Range | Diameter: DN15-DN3500 Pressure: 0.25-25MPa |