Modern Blind Flange | Versatile Blind Flange Wholesaler

Modern Blind Flange | Versatile Blind Flange Wholesaler

Nanyi stands as a trusted producer of blind flanges engineered to withstand the corrosive effects of a wide range of chemicals, making them ideal for use in demanding chemical processing applications. Our chemical-resistant blind flanges are meticulously crafted from specially selected materials that exhibit exceptional resistance to chemical erosion and degradation. Whether encountering corrosive acids, alkalis, or solvents, our flanges provide reliable protection, ensuring the integrity and longevity of your systems. With Nanyi's chemical-resistant blind flanges, you can operate with confidence in even the most challenging chemical environments, knowing that your equipment is fortified against chemical attack.
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Chinese cpvc industrial pipe manufacturing factory

With over 17 years of experience in the industry, Nanyi stands as a seasoned factory, specializing in industrial piping solutions. Nanyi is committed to delivering high-quality products at the best price,such as butterfly valve、ball valve、electric valve、pneumatic valve、blind flange.

Chinese upvc industrial pipe quality exporter

As a trusted exporter from China, Nanyi prioritizes quality in every aspect of our operations.From production to delivery, we adhere to strict standards and certifications, ensuring that our products meet international quality requirements and standards, making us a preferred choice for global customers.

Customized pipe fittings at Affordable Prices

At Nanyi, we understand the importance of flexibility and affordability. That's why we offer customized pricing options to meet the specific needs and budgets of our customers. Whether it's a large-scale project or a bespoke requirement, we work closely with our clients to provide cost-effective solutions without compromising on quality.

Guaranteed Quality and After-Sales Support

Our commitment to quality extends beyond the production process.We offer a one-year warranty on our pipe materials and implement three guarantees in case of any quality issues. Additionally, our dedicated service team ensures timely responses and quick resolutions to any concerns or inquiries, providing peace of mind to our customers throughout their experience with Nanyi.

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We Have The Best Solutions for Your Business

Founded in 2007, Shaanxi Nanyi Pipe Industry Co., Ltd. stands as a prominent factory and manufacturer in China, specializing in the research, development, production, sales, and service of CPVC, UPVC, FRP/UPVC, and FRP/CPVC industrial pipelines.  As a leading exporter and manufacturer in China, Nanyi is committed to delivering high-quality products at the best price, ensuring that customers receive exceptional value and reliable performance for all their industrial piping needs.  Nanyi has obtained certifications such as ISO 9001, ISO 14001, and ISO 45001.   Nanyi boasts more than 50 independent intellectual property rights and holds the authority for self-supported import and export of both invention and utility models.
The product range of Nanyi includes UPVC industrial pipes, CPVC industrial pipes, butterfly valves, ball valves, electric valves, pneumatic valves, blind flanges, and pipe fittings.  These products come in various specifications to cater to different industries, including chemical, metallurgy, water treatment, semiconductor, food, nuclear electric power, and medicine.  Through its dedication to customer satisfaction and continuous improvement, Nanyi has established a strong presence both domestically and internationally.     Its products are exported to Europe, America, Southeast Asia, and other regions, garnering praise and loyalty from customers worldwide.

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Types of Blind Flanges

Blind flanges come in various types and specifications to suit different industrial requirements. The most common types are the ANSI (American National Standards Institute) blind flanges, which are designed according to specific pressure ratings and sizes. Another type is the DIN (Deutsches Institut für Normung) blind flange, which follows European standards. These flanges can also be customized with different types of face finishes, such as raised face, flat face, or ring-type joint, to ensure a proper seal. The choice of blind flange type depends on factors such as the operating pressure, temperature, and the specific application in which it will be used.

Installation of Blind Flanges

The installation of a blind flange involves several steps to ensure a secure and leak-proof connection. First, the flange is aligned with the piping system, and the gasket is placed between the flange faces to create a seal. Bolts are then inserted into the flange bolt holes and tightened in a specific sequence to ensure even pressure distribution. The torque applied to the bolts must be controlled to prevent over-tightening, which can damage the flange or the gasket. Proper installation is critical to prevent leaks and maintain the integrity of the piping system. Regular inspection and maintenance of the installed blind flanges are also necessary to ensure their continued effectiveness.

Blind Flange Overview

A blind flange is a type of flange that is used to seal the end of a piping system or pressure vessel openings. Unlike other types of flanges, it does not have a center hole, which makes it ideal for blocking off a section of pipe or terminating a pipeline. blind flanges are essential components in various industrial applications where the isolation of a section of pipe is necessary for maintenance, repair, or inspection. They are commonly used in industries such as oil and gas, chemical processing, and water treatment. Blind flanges are typically made from materials such as stainless steel, carbon steel, or alloy steel to withstand high pressure and corrosive environments.

Maintenance and Inspection of Blind Flanges

Regular maintenance and inspection of blind flanges are essential to ensure their proper functioning and longevity. Inspections should include checking for signs of corrosion, wear, or damage to the flange and the gasket. Any defects should be addressed promptly to prevent leaks and potential failures. Maintenance procedures may involve cleaning the flange surfaces, replacing gaskets, and re-torquing the bolts to the recommended specifications. It is also important to monitor the operating conditions, such as pressure and temperature, to ensure that the blind flanges are within their specified limits. By maintaining and inspecting blind flanges regularly, operators can ensure the safety and reliability of their piping systems.

User Reviews

What users say about Nanyi

This manufacturer stands out for their comprehensive range of UPVC and CPVC industrial pipes, which we have found to be of superior quality compared to other suppliers. Their dedication to quality control and innovation sets them apart as a trusted partner in the industry.

Giovanni Rossi

We have been highly satisfied with the prompt and efficient service provided by this manufacturer. Their team is responsive, knowledgeable, and dedicated to meeting our needs, ensuring a smooth procurement process from order placement to delivery.

Carlos Santos

As a supplier of electric and pneumatic valves, this manufacturer has exceeded our expectations with their high-quality products and competitive pricing. Their valves have proven to be durable and efficient, contributing to the smooth operation of our systems.

Ahmed Khan

The pipe fittings offered by this manufacturer are of exceptional quality and precision. From couplings to elbows and tees, each fitting is meticulously crafted to ensure a perfect fit and reliable performance, contributing to the overall integrity of our piping systems.

Maria Gonzalez
Frequently Asked Question

Do you have any question?

Blind flanges find widespread application across industries including oil and gas, chemical processing, petrochemical, water treatment, and various other industrial sectors.

Blind flanges are available in a range of sizes, from small diameters to large ones, and with various pressure ratings to accommodate different system requirements and operating conditions.

Blind flanges are commonly manufactured from durable materials such as carbon steel, stainless steel, or alloy steel to ensure robustness and resistance to high pressures and temperatures.

What benefits do blind flanges offer in terms of safety and maintenance?

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Nanyi: Your Trusted Provider of Industrial Piping Solutions

I am the manufacturer Nanyi, specializing in a diverse range of industrial products including UPVC industrial pipes, CPVC industrial pipes, butterfly valves, ball valves, electric valves, pneumatic valves, blind flanges, and pipe fittings.

Nanyi: Your Customized Industrial Piping Solutions Provider

At Nanyi, we understand that every project has unique requirements. That's why we offer customized solutions to meet the specific needs of our customers. Whether you need a particular size, material, or specification, we can tailor our products to suit your needs.

Nanyi: Your Trusted Factory for Industrial Pipeline Solutions

At Nanyi, we understand that every project has unique requirements. That's why we offer customized solutions to meet the specific needs of our customers. Whether you need a particular size, material, or specification, we can tailor our products to suit your needs.

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