Blind Flange

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Blind Flange

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.

SPECIFICATIONS
product details
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
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JIANGYIN GAOXIN PIPE FITTINGS CO.,LTD.
Jiangyin Gaoxin Pipe Fittings Co., Ltd. is located in Jiangyin City, an emerging port city in the Yangtze River Delta, where there is a paradise and Suzhou and Hangzhou. Jiangyin is an ancient civilized city with a long history of culture. In recent years, the title of Healthcity has been maintained. The geographical environment is superior, with Suzhou, Shanghai in the eastWuxi in the south, Changzhou and Nanjing in the west, the Yangtze River in the back, beautiful scenery and convenient transportation. The company has a full set of senior engineers and technicians wno have been engaged in the manufacture of pipe fittings for a long time.
Specializing in the manufacture and marketing of a full range of specifications for all sizes of tees, crosses, elbows, eccentric reducers, flanged shorts, flanges, caps, direct heads and various materials.Socket welded pipe fittings. And a variety of special pipe fittings made according to the user's special technical requirements, including more than 100 products such as pipe extension products.
For more than ten years, the company has been a supporter of the international and domestic petroleum refining, chemical, electric power, light industry metallurgy, pharmaceutical, food machinery and other industries, such as a spider's pipeline project, careful service, factory prefabrication for pipeline installation engineering. The work has made a huge contribution The company's products are sold throughout the country and Europe and the United States and other places. After more than ten years of production and marketing practice, our company's processing equipment, production technology testing methods, and service quality have been basically improved from now on. Has been praised by the majority of users at home and abroad.
"Everyone is responsible, the road is checked, the pieces are qualified, the customer is satisfied" is the quality aim that our company has always followed. By following this principle, our company passed the IS09001 quality system certification in January 1999and established a set of effective quality assurance system according to this standard, forming a set of strict product testing methods, strictly managing raw materials, All the procedures of re-inspection to factory inspection ensure the use of the products in many key projects at home and abroad, and have won unanimous praise from customers. The company relies on theIS09001 quality system for effective operation on June 26, 2006. Successfully passed the certification of the State Administration of Quality Supervision, Inspection and Quarantine to the company's pressure-bearing special equipment manufacturing license. In turn, it has formed another major feature of the company, which has made the company even more powerful and has taken a step in the cross-century in the manufacturing process and quality control of high-quality pipe fittings We warmly welcome friends from home and abroad to visit our company for extensive and sincere cooperation.
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