Welcome to YANHAO – Your Trusted Partner for Industrial Excellence. At YANHAO, we take pride in being a leading China flange manufacturer of industrial components, and we are thrilled to introduce you to our product: the 32″ Pipe Flange.


Product Overview

YANHAO’s 32″ pipe flanges are specifically engineered to accommodate pipes with a nominal size of 32 inches (NPS 32). This substantial size makes them particularly suitable for heavy-duty industrial applications where large volumes of liquids, gases, or solids must be transported efficiently and securely. The generous diameter of these flanges allows for the passage of substantial flow rates, making them indispensable in industries that demand high throughput.

  • Nominal Pipe Size (NPS): 32 inches
  • Outside Diameter (OD): 32.75 inches to 33.25 inches
  • Inside Diameter (ID): 31.25 inches to 31.75 inches
  • Flange Thickness: 2.75 inches to 3.25 inches
  • Bolt Hole Diameter: 1.75 inches to 2 inches
  • Bolt Circle Diameter: 30.5 inches to 31 inches
  • Hub Diameter: 35 inches to 35.5 inches

At YANHAO, we understand that the choice of materials for 32″ pipe flanges is crucial to their performance and longevity. We offer a variety of material options to cater to the diverse needs of our customers:

Material Options:

  • Carbon Steel: Our carbon steel flanges are renowned for their exceptional strength and versatility. They are well-suited for applications in industries such as construction, oil and gas, and petrochemical, where reliability and durability are paramount.
  • Stainless Steel: 32″ Stainless steel flanges are favored for their outstanding corrosion resistance, making them ideal for applications exposed to moisture, chemicals, or aggressive environments. They are commonly used in pharmaceutical, food processing, and wastewater treatment industries.
  • Alloy Steel: Alloy steel flanges combine the strength of steel with enhanced resistance to corrosion and wear. These flanges are preferred in high-pressure and high-temperature applications commonly found in power generation, chemical processing, and aerospace industries.

Material Grade: ASTM A105 for Carbon Steel, ASTM A182 F316 for Stainless Steel

Pressure Ratings:

  • Pressure Class: 150, 300, 600, 900, 1500
  • Pressure Rating (PSI): 285 PSI for Class 150, 740 PSI for Class 300, 1480 PSI for Class 600, 2220 PSI for Class 900, 3700 PSI for Class 1500

Temperature Capabilities:

  • Maximum Operating Temperature: Up to 1000°F (538°C)
  • Minimum Operating Temperature: Down to -20°F (-29°C)

Design Specifications:
Our commitment to precision and quality is reflected in the design specifications of our 32″ pipe flanges:

  • Flange Types: YANHAO offers a comprehensive range of flange types to cater to diverse installation requirements. Choose from slip-on, weld neck, socket weld, and blind flanges, each designed to optimize specific aspects of joint integrity, ease of installation, and maintenance.
  • Pressure Ratings: Our 32″ pipe flanges are available in various pressure ratings, ensuring compatibility with a wide range of operating conditions. Whether you require flanges for low-pressure applications or high-pressure environments, we have you covered.
  • Facings: YANHAO’s flanges come with different facing options to ensure leak-free connections. Options include raised face (RF), flat face (FF), and ring type joint (RTJ) facings, allowing you to select the most suitable facing for your sealing needs.
  • Bore Sizes: The bore sizes of our 32″ pipe flanges are precision-machined to exacting tolerances. This meticulous craftsmanship ensures a snug and secure fit when connecting pipes of corresponding sizes, minimizing the risk of leaks or joint failure.

We understand that every industrial application is unique, and our 32″ pipe flanges are designed to offer versatility and reliability across a wide spectrum of scenarios. Whether you’re working in refining, power generation, chemical processing, or any other industry, our flanges are engineered to meet your specific requirements with precision, durability, and performance at their core.

Features and Benefits

At YANHAO, we have engineered our 32″ pipe flanges with a host of essential features to provide our customers with unparalleled value and performance. Here are the key features and the corresponding benefits that make our flanges a top choice for industrial applications:

1. Corrosion Resistance:

  • Feature: YANHAO’s 32″ pipe flanges are available in a range of corrosion-resistant materials, including stainless steel and alloy steel.
  • Benefit: This corrosion resistance ensures that our flanges remain structurally sound and free from rust or deterioration, even when exposed to harsh chemicals, corrosive environments, or challenging weather conditions. It extends the lifespan of your piping systems, reducing the need for frequent replacements and maintenance.

2. Durability:

  • Feature: Our flanges are built to last, constructed from high-quality materials and designed to withstand extreme pressures and temperatures.
  • Benefit: The durability of our 32″ pipe flanges means they can endure the rigors of demanding industrial processes without compromising performance. This robustness reduces downtime, maintenance costs, and the risk of unexpected system failures.

3. Ease of Installation:

  • Feature: YANHAO’s flanges come in various types, including slip-on, weld neck, socket weld, and blind flanges, each designed for specific installation requirements.
  • Benefit: The ease of installation provided by our flanges streamlines the assembly process, saving both time and labor costs. Whether you’re working on a new project or making repairs, our flanges facilitate efficient and hassle-free connections.

4. Precision Engineering:

  • Feature: Our flanges are machined to precise tolerances, ensuring tight fits and leak-free connections.
  • Benefit: The precision engineering of our 32″ pipe flanges minimizes the risk of leaks and system inefficiencies. This results in reduced fluid or gas loss, improved system performance, and compliance with safety and environmental regulations.

5. Versatility:

  • Feature: YANHAO offers customization options for flanges to meet specific project requirements.
  • Benefit: The versatility of our flanges ensures that they can be tailored to your exact needs, making them suitable for a wide range of industrial applications. Whether you require specific dimensions, facings, or materials, we can provide a solution that fits perfectly.

6. Industry Compliance:

  • Feature: Our flanges adhere to industry standards and certifications, such as ISO 9001 and ASME standards.
  • Benefit: You can trust that our 32″ pipe flanges meet the highest quality and safety standards, ensuring compliance with industry regulations and codes. This guarantees long-term reliability and peace of mind for your projects.

By incorporating these features into our 32″ pipe flanges, YANHAO not only provides robust and dependable components but also helps customers reduce maintenance costs, minimize downtime, and ensure the long-term reliability and efficiency of their industrial systems. Our commitment to excellence ensures that you receive the best value for your investment.

Common Uses of 32″ Pipe Flanges

YANHAO’s 32″ pipe flanges find wide-ranging applications across various industries, where their reliability and performance are essential. Below are examples of real-world applications where these flanges are commonly used, along with explanations of how YANHAO’s flanges contribute to the success and efficiency of each application:

1. Oil and Gas Industry:

  • Application: 32″ pipe flanges are frequently employed in the oil and gas sector for connecting pipelines, wellheads, and equipment.
  • Contribution: YANHAO’s flanges ensure leak-free connections, even under high-pressure and corrosive conditions. This reliability is critical for preventing costly spills, ensuring worker safety, and maintaining uninterrupted operations.

2. Petrochemical Plants:

  • Application: Petrochemical facilities utilize 32″ pipe flanges in the construction of chemical reactors, distillation columns, and other processing equipment.
  • Contribution: YANHAO’s flanges’ corrosion resistance and durability are paramount in withstanding aggressive chemicals, ensuring the integrity of the system and minimizing downtime due to maintenance or replacement.

3. Power Generation:

  • Application: In power plants, 32″ pipe flanges are used for connecting steam and cooling water piping systems in boilers and turbines.
  • Contribution: Our flanges’ precision engineering and robustness guarantee tight, secure connections, reducing energy losses and improving the efficiency of power generation processes.

4. Water Treatment Facilities:

  • Application: Water treatment plants employ 32″ pipe flanges for the assembly of pipelines carrying treated water, chemicals, and wastewater.
  • Contribution: YANHAO’s flanges, with their corrosion resistance and longevity, help maintain the purity of water treatment processes while minimizing the need for frequent replacements or repairs.

5. Construction Projects:

  • Application: Large-scale construction projects often use 32″ pipe flanges to connect water supply and drainage systems.
  • Contribution: Our flanges’ ease of installation simplifies the construction process, reducing labor costs and ensuring that vital infrastructure projects are completed efficiently.

6. Chemical Processing:

  • Application: Chemical processing facilities rely on 32″ pipe flanges for the transfer of various chemicals and fluids.
  • Contribution: YANHAO’s flanges, crafted from materials suitable for chemical environments, guarantee the safe transport of chemicals without risk of leaks or contamination, promoting operational safety and efficiency.

7. Mining Operations:

  • Application: In mining, 32″ pipe flanges are used for transporting slurry, water, and other materials.
  • Contribution: The durability of our flanges ensures they can endure the abrasive nature of mining operations, reducing the frequency of maintenance and replacements and enhancing the reliability of mining processes.

In each of these applications, YANHAO’s 32″ pipe flanges play a pivotal role in ensuring the success and efficiency of industrial operations. Their ability to provide leak-free connections, resist corrosion, endure harsh conditions, and facilitate ease of installation makes them a trusted choice for professionals across a diverse range of industries, ultimately contributing to safer, more reliable, and cost-effective systems.

Quality Assurance

At YANHAO, our unwavering commitment to delivering reliable and high-quality products is at the core of our mission. We understand that the performance and durability of industrial components, such as our 32″ pipe flanges, are paramount to our customers. Here, we highlight our rigorous quality control processes and testing procedures that underpin the trustworthiness of our products:

1. Material Selection:

  • We start by carefully selecting the finest materials for our 32″ pipe flanges, taking into consideration the specific application requirements and environmental factors. Material quality is a fundamental aspect of product reliability.

2. Precision Manufacturing:

  • YANHAO’s state-of-the-art manufacturing facilities are equipped with advanced machinery and skilled technicians who adhere to strict quality control protocols. Precision machining ensures that our flanges meet exacting standards.

3. Inspection and Testing:

  • Our products undergo a series of meticulous inspections and tests at various stages of production. This includes dimensional checks, visual inspections, and non-destructive testing (NDT) methods such as ultrasonic testing and radiographic examination.

4. Pressure Testing:

  • Pressure testing is a critical component of our quality control process. We subject our 32″ pipe flanges to hydrostatic and pneumatic pressure tests to verify their ability to withstand high-pressure environments safely.

5. Material Analysis:

  • Comprehensive material analysis is conducted to confirm the chemical composition and material properties, ensuring they meet the required specifications.

6. Compliance with Standards:

  • YANHAO’s 32″ pipe flanges are manufactured in strict accordance with industry standards and certifications. We proudly adhere to ISO 9001, an internationally recognized quality management standard, and ASME standards, guaranteeing compliance and excellence.

7. Documentation and Traceability:

  • Detailed documentation is maintained throughout the manufacturing process, enabling traceability and accountability. This ensures that every product can be traced back to its source and manufacturing history.

8. Continuous Improvement:

  • YANHAO is committed to continuous improvement. We regularly review and enhance our quality control processes to stay at the forefront of industry best practices.

By adhering to these stringent quality assurance measures, YANHAO ensures that each 32″ pipe flange leaving our facilities meets the highest standards of reliability, durability, and safety. Our commitment to quality not only minimizes the risk of product failure but also reduces maintenance costs, enhances operational efficiency, and provides our customers with the peace of mind that they are investing in products they can trust for the long term.

Customization Options

At YANHAO, we understand that every industrial project is unique, often requiring specific configurations and design adaptations to meet exacting requirements. To cater to the diverse needs of our customers, we offer comprehensive customization options for our 32″ pipe flanges. Here’s how we provide tailored solutions to meet specific project requirements:

1. Material Selection:

  • YANHAO offers a wide range of materials for 32″ pipe flanges, including carbon steel, stainless steel, and alloy steel. Customers can choose the material that best aligns with the demands of their particular application, whether it involves corrosive substances, extreme temperatures, or specific structural requirements.

2. Flange Type and Dimensions:

  • We understand that different projects may necessitate varying flange types and dimensions. Our customization options allow customers to specify flange types such as slip-on, weld neck, socket weld, or blind flanges, as well as exact dimensions to ensure a perfect fit with their existing systems.

3. Facing and Gasket Compatibility:

  • Tailoring a 32″ pipe flange includes the ability to select the facing type (raised face, flat face, ring type joint) that suits the project’s sealing needs. We can also provide recommendations for compatible gasket materials to ensure leak-free connections.

4. Pressure Ratings and Temperature Ranges:

  • Depending on the specific operational conditions, customers can request flanges with precise pressure ratings and temperature ranges that align with the requirements of their industrial processes.

5. Coatings and Finishes:

  • To enhance durability and corrosion resistance, YANHAO offers various coatings and finishes, such as epoxy coatings or galvanized surfaces, based on project-specific environmental factors and aesthetics.

6. Specialized Requirements:

  • For projects with unique demands, YANHAO’s engineering team can collaborate closely with customers to address specialized requirements, whether they involve unusual applications, non-standard connections, or innovative solutions.

7. Technical Support:

  • Our technical experts are readily available to assist customers in specifying and designing the ideal 32″ pipe flanges for their projects. From initial consultation to final product delivery, we provide guidance and support at every stage.

Requesting Tailored 32″ Pipe Flanges:
Customers interested in customizing their 32″ pipe flanges can easily get started by contacting our dedicated sales and engineering teams. The process typically involves:

  1. Consultation: Discussing project requirements, including materials, dimensions, and specific needs with our experts.
  2. Design and Engineering: Collaborating with our engineers to develop detailed specifications and design plans tailored to the project.
  3. Quotation: Receiving a customized quotation outlining the costs, lead times, and other details of the tailored 32″ pipe flanges.
  4. Production and Delivery: Upon approval, YANHAO will initiate the production of the custom flanges, adhering to the agreed-upon specifications. We will then deliver the finished products to the customer’s specified location.

Our commitment to customization ensures that customers receive precisely the components they need to optimize their industrial processes, resulting in improved efficiency, reduced downtime, and enhanced project outcomes.

Ordering Process for YANHAO’s 32″ Pipe Flanges

We strive to make the ordering process for YANHAO’s 32″ pipe flanges as seamless as possible, ensuring that our customers can acquire the high-quality components they need efficiently. Below is an outline of the steps customers should follow to place an order:

1. Contact YANHAO Sales Team:

  • Initiate the process by reaching out to our dedicated sales team. You can contact us through our website, email, or phone. Our knowledgeable representatives will assist you in understanding your requirements and guide you through the ordering process.

2. Product Specification and Customization:

  • Collaborate with our experts to specify the exact details of the 32″ pipe flanges you require. Discuss material choices, dimensions, pressure ratings, facing types, and any other customization options necessary to meet your project’s needs.

3. Quotation and Lead Time:

  • Upon finalizing the product specifications, you will receive a detailed quotation. This quotation will outline the costs, lead times, and any other relevant terms and conditions. Be sure to review this information thoroughly.

4. Order Confirmation:

  • Once you are satisfied with the quotation and terms, confirm your order with YANHAO. This can be done through a formal purchase order or by providing written confirmation of your intent to proceed.

5. Production and Quality Assurance:

  • After receiving your order confirmation, our production team will begin manufacturing your 32″ pipe flanges according to the agreed-upon specifications. The quality assurance process ensures that your flanges meet our high standards of reliability.

6. Inspection and Testing:

  • Your flanges will undergo a series of inspections and tests to verify their quality and compliance with specifications. This includes dimensional checks, pressure testing, and material analysis.

7. Shipping and Delivery:

  • Once your order passes our quality control checks, we will arrange for shipping. YANHAO offers various shipping options to accommodate your needs, whether it’s standard shipping, expedited delivery, or other specific requirements. Shipping costs and transit times will be provided at this stage.

8. Payment:

  • YANHAO accepts various payment methods, including wire transfers, credit cards, and other agreed-upon payment options. Payment terms and details will be outlined in your quotation and order confirmation.

9. Receipt and Installation:

  • Upon receipt of your 32″ pipe flanges, inspect them to ensure they meet your specifications. Follow our installation guidelines to integrate the flanges seamlessly into your industrial systems.

10. Customer Support:

  • YANHAO is committed to providing ongoing customer support. If you have any questions or require additional assistance post-purchase, our team is readily available to help.

The lead time for your order will depend on the complexity of your customization requirements and our production capacity at the time of order placement. We will provide you with an estimated lead time as part of your quotation.

Our goal is to ensure that your ordering experience with YANHAO is efficient, transparent, and hassle-free. We are dedicated to meeting your industrial component needs with professionalism and expertise, from the initial inquiry to the successful integration of our products into your projects.

Customer Support

At YANHAO, our commitment to exceptional customer support extends beyond the point of sale. We recognize that technical assistance and after-sales service are essential components of a successful partnership with our customers. Here’s how we stand by your side throughout your journey with YANHAO:

1. Technical Assistance:

  • Our team of technical experts is readily available to provide guidance and support throughout your project. Whether you have questions about product specifications, installation, or customization options, we are here to offer expert insights and solutions.

2. Customization Support:

  • If your project requires tailored 32″ pipe flanges, our engineers and specialists can collaborate with you to ensure that your specific requirements are met. We provide detailed consultations to help you make informed decisions.

3. Product Information:

  • For any inquiries related to our products, technical specifications, or engineering drawings, our customer support team can provide comprehensive information to assist you in making informed choices.

4. After-Sales Service:

  • We understand that your experience with our products extends well beyond the initial purchase. Should you encounter any issues or have concerns after receiving your order, our after-sales service team is dedicated to resolving them promptly and efficiently.

5. Maintenance and Replacement:

  • If your 32″ pipe flanges require maintenance, repair, or replacement, YANHAO can provide guidance on the necessary steps and supply the required components promptly. We are committed to minimizing downtime and ensuring the continuous operation of your systems.

6. Contact Information:

  • Our customer support team is just a call or email away. You can reach us through the following channels:
  • Email: flanges.yh@gmail.com
  • Phone: +86 13313073735(same as WeChat)
  • Website: www.carbonsteelflanges.com

7. Feedback and Improvement:

  • Your feedback is invaluable to us. We actively seek your input to enhance our products and services continually. Your suggestions and experiences help shape the future of YANHAO’s offerings.

At YANHAO, we consider our customers as partners in success. Our commitment to excellent customer support is an integral part of our mission to provide high-quality industrial components that meet and exceed your expectations. Whether you are inquiring about our products, require technical guidance, or need assistance post-purchase, our dedicated customer support team is here to serve you with professionalism and expertise. Your satisfaction and success are our utmost priorities.

Frequently Asked Questions (FAQs) about 32″ Pipe Flanges

Here are answers to some commonly asked questions related to 32″ pipe flanges to address common customer concerns:

1. What are 32″ pipe flanges, and where are they used?

  • 32″ pipe flanges are critical components used to connect pipes in various industrial applications. They are commonly employed in industries such as oil and gas, petrochemicals, power generation, water treatment, and construction to ensure secure and leak-free connections.

2. What materials are 32″ pipe flanges available in?

  • 32″ pipe flanges can be manufactured from a range of materials, including carbon steel, stainless steel (304, 316), and alloy steel. The choice of material depends on the specific application and environmental conditions.

3. What types of flanges are available in this size?

  • YANHAO offers a variety of flange types for 32″ pipe flanges, including slip-on, weld neck, socket weld, and blind flanges. The selection of the flange type depends on the requirements of your project.

4. How do I select the right facing type for my application?

  • The choice of facing type (e.g., raised face, flat face, ring type joint) depends on the sealing requirements of your application. Consult with our technical experts to determine the most suitable facing for your project.

5. What pressure ratings are available for 32″ pipe flanges?

  • YANHAO’s 32″ pipe flanges come in various pressure ratings, such as 150, 300, 600, 900, and 1500. The selection should be based on the operating pressure of your system.

6. Can I request customizations for my 32″ pipe flanges?

  • Yes, YANHAO offers customization options to meet specific project requirements. You can customize material, dimensions, facing type, and other parameters to ensure the flanges align with your project’s needs.

7. What is the lead time for ordering 32″ pipe flanges?

  • The lead time for your order depends on the complexity of customization and our production capacity at the time of order placement. We will provide you with an estimated lead time as part of your quotation.

8. What is the maximum and minimum operating temperature for these flanges?

  • The maximum operating temperature for our 32″ pipe flanges can reach up to 1000°F (538°C), while the minimum operating temperature can go down to -20°F (-29°C), depending on the material selected.

9. How do I request technical assistance or after-sales support?

  • You can easily reach out to our customer support team through email or phone. For technical assistance, product information, or after-sales service, contact us at flanges.yh@gmail.com or +86 13313073735.

10. Does YANHAO provide engineering drawings or CAD models for reference?

  • Yes, we can provide detailed engineering drawings or CAD models of our 32″ pipe flanges upon request. Contact our technical support team for access to these resources.

If you have any further questions or require additional information about our 32″ pipe flanges or related services, please don’t hesitate to reach out to our customer support team. We are here to assist you in making informed decisions and ensuring the success of your industrial projects.

Lewis Liu

Hello, I am Lewis Liu, a professional sales engineer with over ten years of experience in the flange fittings industry. I am highly knowledgeable in flange selection, installation, and maintenance. I am passionate about providing customers with the best solutions to ensure their pipeline systems run smoothly, safely, and reliably.

If you have any questions or concerns regarding flange fittings for your pipelines, whether it’s about selection, material choice, specification requirements, or any other aspect, please feel free to contact me at any time. I am committed to offering professional advice and assistance to help you make informed decisions and meet your needs.

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