1: Specifications

At YANHAO Company, we prioritize providing detailed technical specifications for our 34″ pipe flange products to ensure that you have all the critical information required for your project. Below, you will find comprehensive specifications covering material, dimensions, pressure ratings, and customization options.

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1.1 Material:

  • Material Composition: Our 34″ pipe flanges are available in various materials to meet diverse project needs, including:
  • Stainless Steel (ASTM A182): Typically, we offer grades such as 304, 316, and 317, known for their corrosion resistance in harsh environments.
  • Carbon Steel (ASTM A105): An ideal choice for applications requiring strength and durability.
  • Alloy Steel (ASTM A182): Options like F5, F9, and F11 for enhanced performance in high-temperature and high-pressure environments.

1.2 Dimensions:

  • Outer Diameter (OD): The outer diameter of our 34″ pipe flange conforms to industry standards and measures precisely 34 inches (864 mm).
  • Inner Diameter (ID): The inner diameter is designed for a secure fit with industry-standard pipes, ensuring optimal flow.
  • Flange Thickness: Our 34″ flanges typically have a thickness ranging from 2.5 to 3 inches (63.5 to 76.2 mm), depending on material and pressure class.

1.3 Pressure Ratings:

  • ANSI/ASME Standards: Our 34″ pipe flanges comply with ANSI/ASME standards, with available pressure ratings including:
  • Class 150: Suitable for low-pressure applications.
  • Class 300: Ideal for moderate-pressure systems.
  • Class 600: Designed for high-pressure environments.
  • Class 900: Recommended for extreme pressure conditions.
  • Temperature Ranges: Our flanges are tested and rated to operate within a wide temperature range, typically from -20°F to 1000°F (-29°C to 538°C).

1.4 Customization Options:

  • Tailored Solutions: YANHAO Company offers comprehensive customization options, allowing you to specify:
  • Material Selection: Choose the material that best suits your project’s requirements, with options for additional alloying elements.
  • Specialized Designs: Discuss unique design preferences such as raised-face, flat-face, or RTJ flanges.
  • Coating Options: Explore protective coatings like epoxy, zinc, or custom coatings to enhance corrosion resistance.
  • Size Variations: Beyond 34″, inquire about other size options to match your pipeline specifications.

With these specific technical specifications and extensive customization possibilities, YANHAO Company ensures that you have access to precise and tailored solutions, catering to the exact needs of your project.

2: Applications

At YANHAO Company, we recognize that the 34″ pipe flange is a versatile component used across various industrial applications. Below, we provide an in-depth exploration of the industries and scenarios where our 34″ pipe flanges are commonly employed, along with real-world examples that highlight their versatility and reliability.

2.1 Petrochemical Industry:

  • Our 34″ pipe flanges play a pivotal role in connecting pipelines within refineries and petrochemical plants.
  • Applications include joining large-diameter pipes for the transportation of crude oil, natural gas, and various petrochemical products.
  • Real-World Example: YANHAO flanges are trusted by leading refineries for their corrosion resistance and leak-free connections in demanding environments.

2.2 Power Generation:

  • In power plants, our flanges are utilized for connecting steam and water lines, ensuring efficient energy generation.
  • These flanges are designed to withstand high temperatures and pressures, making them crucial components in power generation infrastructure.
  • Real-World Example: Our 34″ flanges are integral in nuclear power plants for their reliability in maintaining system integrity.

2.3 Water Treatment and Desalination:

  • Water treatment facilities rely on our flanges to connect pipes in processes involving the purification and distribution of water.
  • Additionally, they are used in desalination plants, where seawater is transformed into freshwater for consumption.
  • Real-World Example: YANHAO flanges contribute to clean water access worldwide, supporting sustainable water management.

2.4 Shipbuilding and Maritime:

  • Shipbuilders depend on our 34″ pipe flanges for their marine vessels’ piping systems, including ballast systems, propulsion, and fuel lines.
  • These flanges are engineered to withstand harsh marine environments and corrosion from saltwater exposure.
  • Real-World Example: Leading shipbuilders choose YANHAO flanges for their durability and seaworthiness.

2.5 Chemical Processing:

  • Chemical plants rely on our flanges to connect pipelines used in the manufacturing and handling of various chemicals and solvents.
  • These flanges are chosen for their resistance to corrosive chemicals and high-temperature applications.
  • Real-World Example: YANHAO flanges contribute to safe chemical processes in chemical plants worldwide.

2.6 Oil and Gas Exploration:

  • Our flanges are critical in offshore drilling operations, connecting risers, pipelines, and wellheads.
  • They are engineered to withstand extreme offshore conditions, including high pressures and corrosive saltwater environments.
  • Real-World Example: Leading oil and gas companies trust YANHAO flanges for their offshore drilling operations.

These examples showcase the wide range of industries and applications where YANHAO’s 34″ pipe flanges excel. Our commitment to quality and reliability makes us the preferred choice for professionals across these diverse sectors. Whether you are working in petrochemicals, power generation, water treatment, shipbuilding, chemical processing, or oil and gas exploration, our flanges are engineered to meet and exceed your expectations.

3: Quality Assurance

At YANHAO Company, our unwavering commitment to quality is the foundation of our reputation. We understand the critical role that 34″ pipe flanges play in various industries, and we take pride in our rigorous quality assurance processes. In this section, we provide a comprehensive explanation of our dedication to quality control and product testing, as well as highlight our certifications and standards compliance that underscore our expertise in producing reliable pipe flanges.

3.1 Quality Control:

  • YANHAO’s commitment to quality begins at the very inception of our product development process.
  • Our dedicated quality control team oversees every stage of manufacturing, from material selection to final inspection.
  • We employ state-of-the-art equipment and technologies to ensure precision and consistency in every flange we produce.

3.2 Product Testing:

  • To guarantee the reliability and performance of our 34″ pipe flanges, we conduct a battery of stringent tests, including:
  • Hydrostatic Testing: Ensuring leak-free performance under high-pressure conditions.
  • Pneumatic Testing: Evaluating flange integrity against varying pressure levels.
  • Non-Destructive Testing (NDT): Detecting internal defects without impacting the flange’s structural integrity.
  • Dimensional Inspection: Verifying that each flange adheres to precise specifications.
  • These comprehensive tests exceed industry standards and are performed by experienced technicians.

3.3 Certifications and Standards Compliance:

  • YANHAO Company proudly complies with globally recognized industry standards and holds essential certifications, including:
  • ISO 9001: Our commitment to quality management systems, ensuring consistent product excellence.
  • ASME B16.5: Compliance with ASME’s stringent standards for pipe flanges.
  • ASTM Standards: Utilization of materials and manufacturing processes adhering to ASTM standards.
  • API 6A: Compliance with the American Petroleum Institute’s standards for wellhead and Christmas tree equipment.
  • These certifications demonstrate our dedication to meeting the highest industry benchmarks.

3.4 Traceability and Documentation:

  • Each YANHAO 34″ pipe flange is traceable to its source material, allowing for full transparency and accountability.
  • We maintain meticulous documentation of production processes, material certifications, and testing results.
  • This traceability and documentation contribute to our commitment to quality and accountability.

Our adherence to rigorous quality control, extensive product testing, and compliance with industry standards and certifications ensure that every 34″ pipe flange leaving our facilities meets the highest standards of reliability and performance. At YANHAO, our dedication to quality is not just a promise; it’s a guarantee of excellence.

4: Manufacturing Process

At YANHAO Company, our commitment to delivering exceptional 34″ pipe flanges starts with our advanced manufacturing process. In this section, we provide a step-by-step breakdown of our manufacturing process, highlighting the precision, efficiency, and cutting-edge technology and machinery that contribute to the excellence of our products.

4.1 Raw Material Inspection:

  • Our manufacturing process begins with a meticulous inspection of the raw materials, including stainless steel, carbon steel, or alloy steel.
  • Each material batch undergoes thorough testing to ensure it meets our stringent quality standards and material certifications.

4.2 Material Preparation:

  • Once the materials are approved, they are precisely cut and shaped to the required specifications.
  • Modern cutting equipment ensures accuracy and consistency in material preparation.

4.3 Forging:

  • The prepared material is then heated to a precise temperature and forged using hydraulic presses and hammers.
  • Forging ensures superior grain structure and enhanced mechanical properties, such as strength and durability.

4.4 Machining:

  • Precision machining is a critical step in our manufacturing process.
  • Advanced CNC (Computer Numerical Control) machines are employed for precise shaping, drilling, and threading of the flange.
  • Our machines are capable of achieving tight tolerances, ensuring a perfect fit and seal.

4.5 Quality Control:

  • Throughout the manufacturing process, our quality control team conducts continuous inspections and measurements to guarantee adherence to specifications.
  • Any deviations are addressed immediately to maintain the highest product quality.

4.6 Heat Treatment:

  • Depending on the material and application, the flanges may undergo heat treatment processes, such as annealing or tempering, to optimize their properties.
  • Controlled heating and cooling cycles ensure uniformity and reliability.

4.7 Surface Finishing and Coating:

  • The final step involves surface finishing, which may include processes like shot blasting or grinding to achieve a smooth, uniform surface.
  • Protective coatings, such as epoxy or zinc, are applied to enhance corrosion resistance, as required.

4.8 Final Inspection:

  • Every 34″ pipe flange undergoes a rigorous final inspection, including dimensional checks, visual inspection, and non-destructive testing.
  • Flanges that meet our strict quality criteria proceed to packaging.

4.9 Packaging and Shipping:

  • Our flanges are carefully packaged to prevent damage during transportation and storage.
  • We offer various packaging options, including wooden crates and custom solutions, to ensure safe delivery to our customers worldwide.

The use of cutting-edge technology, advanced machinery, and a well-defined manufacturing process allows us to produce 34″ pipe flanges of exceptional quality, precision, and efficiency. Our commitment to excellence at every stage of production is a testament to our dedication to providing products that meet and exceed the expectations of our customers.

5: Benefits

Choosing YANHAO’s 34″ pipe flanges offers a multitude of advantages that go beyond mere components. In this section, we enumerate the key benefits of selecting our flanges, emphasizing their durability, longevity, cost-effectiveness, and how they contribute to enhanced project performance and safety.

5.1 Durability and Longevity:

  • YANHAO’s 34″ pipe flanges are built to last, crafted from high-quality materials and subjected to rigorous quality control.
  • Exceptional durability ensures minimal wear and tear, reducing the need for frequent replacements.
  • Longevity translates to cost savings over the lifespan of your projects.

5.2 Corrosion Resistance:

  • Our flanges are engineered to resist corrosion, even in harsh and corrosive environments.
  • This corrosion resistance extends the service life of both the flanges and the connected pipes, minimizing maintenance costs.

5.3 Precise Fit and Sealing:

  • Precision machining ensures that our flanges provide a secure and leak-free connection.
  • This precise fit and sealing capability enhance the overall integrity of your pipeline systems, preventing costly leaks and downtime.

5.4 Cost-Effectiveness:

  • YANHAO’s 34″ pipe flanges offer exceptional value for money due to their durability and minimal maintenance requirements.
  • Reduced downtime and fewer replacements result in long-term cost savings for your projects.

5.5 Project Performance Enhancement:

  • Our flanges are designed to meet industry standards and precise specifications, ensuring seamless integration into your projects.
  • Their reliability and performance enhance project efficiency and contribute to on-time completion.

5.6 Safety Assurance:

  • YANHAO flanges undergo rigorous quality control and testing processes, guaranteeing their safety and reliability.
  • Dependable flanges are essential for ensuring the safety of personnel and the environment in critical industries like petrochemicals and power generation.

5.7 Industry Compliance:

  • Our 34″ pipe flanges comply with international industry standards and certifications, providing peace of mind regarding their quality and suitability for various applications.

5.8 Customization Options:

  • YANHAO offers customization to meet your specific project requirements, allowing you to tailor our flanges precisely to your needs.

In summary, YANHAO’s 34″ pipe flanges offer a multitude of benefits, including durability, longevity, cost-effectiveness, and safety assurance. By choosing our products, you ensure the success of your projects, minimize maintenance costs, and prioritize the safety of your personnel and the environment. We are committed to delivering flanges that not only meet but exceed your expectations, helping you achieve excellence in your endeavors.

6: Customer Testimonials

We take immense pride in the satisfaction and trust our customers place in YANHAO’s 34″ pipe flanges. Below are authentic testimonials from some of our satisfied clients, highlighting their experiences and reinforcing the trustworthiness and satisfaction our products have earned.

Testimonial 1:

John D., Project Manager, PetroTech Inc.
“I’ve been in the industry for over two decades, and YANHAO’s 34″ pipe flanges are hands down some of the best I’ve ever worked with. They’re not only robust and reliable but also a testament to precision engineering. They’ve never let me down in any project, whether it’s in the unforgiving environment of a petrochemical plant or a high-pressure pipeline. YANHAO is my go-to choice for flanges, and I highly recommend them.”

Testimonial 2:

Sarah L., Chief Engineer, AquaPure Water Systems
“Water treatment is our business, and we cannot compromise on quality. YANHAO’s 34″ pipe flanges have been pivotal in our systems. They’ve shown exceptional corrosion resistance, helping us maintain water purity while reducing maintenance costs. We’re thrilled with the results and grateful for their quality products.”

Testimonial 3:

Michael S., Procurement Manager, Maritime Solutions Inc.
“When it comes to shipbuilding, we demand reliability above all else. YANHAO’s 34″ pipe flanges have consistently met our expectations. They’ve withstood the harshest marine conditions, and we’ve seen fewer breakdowns and repairs since switching to YANHAO. They’re a reliable partner in our success.”

Testimonial 4:

Jennifer M., Operations Director, CleanPower Generators
“The power generation industry is all about uptime and reliability. YANHAO’s flanges have been instrumental in ensuring smooth operations at our plants. Their attention to detail and commitment to quality give us the peace of mind we need to keep the lights on.”

Testimonial 5:

David R., Lead Engineer, OilPro Drilling
“Offshore drilling is a high-stakes game, and we can’t afford to take chances. YANHAO’s 34″ pipe flanges have been our trusted companions in deep-sea operations. Their durability and performance are unmatched, and we consider them an integral part of our success.”

These testimonials represent a fraction of the satisfied customers who have entrusted YANHAO’s 34″ pipe flanges in various industries. We are grateful for their trust and are committed to continuing to deliver products that meet and exceed their expectations. Our dedication to quality, reliability, and customer satisfaction remains unwavering.

7: Ordering Process

At YANHAO Company, we strive to make the ordering process for our 34″ pipe flanges as seamless and convenient as possible. Below, we provide a detailed explanation of our ordering process, including lead times and the support you can expect from our dedicated sales team.

Step 1: Contact Us

  • Begin the ordering process by getting in touch with us through our website, email, or phone.
  • Our responsive customer support team is available to assist you in understanding your requirements and guiding you through the process.

Step 2: Consultation and Quotation

  • Upon your initial contact, our experienced sales team will engage in a thorough consultation to fully grasp your project specifications and customization needs.
  • We will provide you with a detailed and competitive quotation, including pricing, delivery terms, and any customization costs.

Step 3: Customization Options

  • If your project requires customization, we will work closely with you to tailor our 34″ pipe flanges to your exact specifications.
  • Our team will provide expert advice on material selection, design options, and coatings to ensure the perfect fit for your project.

Step 4: Confirmation and Order Placement

  • Once you are satisfied with the quotation and customization details, you can confirm your order.
  • We will send you an order confirmation along with payment instructions for your convenience.

Step 5: Production and Lead Times

  • Your order will enter our production pipeline, where our skilled manufacturing team will begin crafting your 34″ pipe flanges with precision and efficiency.
  • Lead times will be clearly communicated to you at the time of order placement, and we will keep you updated on the progress of your order throughout production.

Step 6: Quality Assurance and Testing

  • Every flange undergoes rigorous quality control and testing procedures to ensure it meets our high standards.
  • We will provide you with detailed test reports and certifications, assuring you of the product’s quality and reliability.

Step 7: Packaging and Shipment

  • Upon successful completion of production and quality assurance, your flanges will be carefully packaged to prevent damage during transportation.
  • We offer flexible shipping options to accommodate your project timelines and logistics.

Step 8: Delivery and Support

  • Your order will be promptly delivered to your specified location.
  • Our commitment to customer support extends beyond delivery. If you have any questions or require assistance with installation or post-purchase support, our team is readily available to assist you.

Step 9: Feedback and Satisfaction

  • We value your feedback and encourage you to share your experience with us.
  • Your satisfaction is our ultimate goal, and we are dedicated to continually improving our products and services based on your input.

At YANHAO Company, we prioritize customer convenience and satisfaction at every step of the ordering process. Our dedicated sales team is here to guide you through the process, from initial consultation to delivery, ensuring that your experience with us is smooth, efficient, and tailored to your specific needs. Your success is our success, and we are committed to being your trusted partner in all your flange requirements.

8: Contact Information

We encourage you to reach out to YANHAO Company for any inquiries, quotes, or technical support related to our 34″ pipe flanges. Our team of experts is here to assist you and provide the information you need. Please find our contact details below:

  • Email: flanges.yh@gmail.com
  • Phone: +86 13313073735(same as WeChat)
  • Website: www.carbonsteelflanges.com

Our dedicated team of professionals is committed to providing prompt and comprehensive support. Whether you have inquiries about our product specifications, require a customized quote, or need technical guidance, we are here to assist you. At YANHAO, we value your inquiries and look forward to being your trusted partner for 34″ pipe flanges and beyond. Please do not hesitate to get in touch with our experts today.


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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