Elliptical Head

 Elliptical Heads: The Perfect Solution for Pressure Vessels and More

The elliptical head, also known as the ellipsoidal head, is a highly versatile and reliable component in various industrial applications. Its innovative design combines functionality with compliance to ensure optimal performance across a wide range of industries.

What Are Elliptical Heads?

Elliptical heads consist of two key sections: a rotating ellipsoidal sphere and a cylindrical straight section. Unlike heads with a specific dish radius or knuckle radius, elliptical heads are crafted with precise proportions to achieve their distinctive shape. The dish radius is approximately 90% of the diameter, and the knuckle radius is about 17% of the diameter. These proportions are not only mathematically elegant but also engineered for compliance with ASME standards, particularly the widely used 2:1 elliptical flanged and dished heads.

Key Specifications of Elliptical Heads

• Product Names: Elliptical Heads, elliptical head price, boiler elliptical end cap.

• Diameter: Ranges from 90 mm to 5000 mm, with customizable options.

• Thickness: Between 2 mm and 200 mm, ensuring flexibility for various applications.

• Reduction Ratio (R): About 10%.

• Materials: Available in carbon steel, stainless steel, aluminum, copper, titanium, nickel, and nickel alloy steel.

• Certification: ISO 9001:2015 certified.

• Applications: Commonly used in pressure vessels, heat exchangers, and tanks.

• Manufacturing Technologies: Includes both cold pressing and hot pressing methods.

• Surface Treatment Options: Pickling, sandblasting, or as per customer requirements.

• Packaging: Delivered in secure wooden boxes or iron shelves, or customized packaging as needed.

• Delivery Time: Approximately 30 days.

Applications Across Industries

Elliptical heads serve as a vital component in numerous industries, such as:

• Petroleum: For secure storage and transport of oil and gas.

• Electronics: Supporting cooling systems and vacuum chambers.

• Chemicals: Providing corrosion-resistant solutions for reactors and tanks.

• Pharmaceuticals: Ensuring clean and durable vessels for sensitive processes.

• Food: Safe and hygienic storage for liquids and gases.

• Construction and Machinery: Offering structural integrity in heavy-duty equipment.

• Aerospace and Military: Meeting rigorous standards for strength and reliability.

Material Options

Elliptical heads can be manufactured from various materials to meet specific needs:

• Carbon Steel: Ideal for cost-effective durability (e.g., SA516 GR60N, GR70N).

• Stainless Steel: Provides superior corrosion resistance (e.g., SA240 304, 316).

• Titanium Alloys: Lightweight and highly resistant to extreme conditions (e.g., SB256 GR1, GR2, GR5).

Quality Assurance

Every elliptical head undergoes stringent quality control, including:

1. Physical and chemical material tests.

2. Hot forging and forming.

3. Heat treatment for enhanced durability.

4. Detailed inspections at each production stage.

5. Final finishing, marking, and packing.

Choosing the Right Head

When selecting an elliptical head, consider the following:

1. Customer Requirements: Ensure the design aligns with operational goals.

2. Chemical Process Needs: For liquid masses, elliptical heads or spherical heads are optimal; conical heads are better for solid masses.

3. Pressure Levels: Elliptical heads are ideal for medium to low-pressure applications, while spherical heads are recommended for high-pressure scenarios.

4. Stress Analysis: Assess the stress transition zones and local stress levels to determine the most suitable head type.

Conclusion

The elliptical head is an indispensable solution for various industrial and engineering needs. With its precision design, material flexibility, and compliance with global standards, it offers unparalleled performance and reliability. Whether you’re dealing with pressure vessels, boilers, or heat exchangers, elliptical heads are the perfect choice to meet your needs.

Company information

Haipei industry can produce all types of dished ends heads. They can be manufactured from a number of steel types including pressure vessel and boiler quality, chrome moly and stainless steel. The company also offers 2:1 semi ellipsodial, hemispherical petals, torispherical ends as well as conical knuckled sections.

Haipei industry company is a leading producer of various types of dished heads, cones, and other special pressed products in different materials grades like Carbon Steel, Stainless Steel, Duplex, Super Duplex, Aluminum, Nickel and Nickel Alloys, Copper and Copper Alloys, Titanium and Its Alloys, Zirconium and all cladded material combinations.

Our Services

We offer our products in the following materials:

Carbon Steel: SA36, SA516-70, SA387 Grade 5 Class 2 (Forming Only), SA285 Grade C (Forming Only)

Stainless Steel: SA240T304/304L, SA240T316/316L, SA240T304H (Forming Only), SA240T904/904L (Forming Only)

Copper: O-Temper Material (Forming Only)

Aluminum: O-Temper Material (Forming Only)

Quality assurance
Quality is the most important aspect of strength.We will make the material from the material to the end of the monitoring, making sure that each part can be of high quality according to the regulations.Each program will be monitored to ensure any errors in the manufacturing process.
Competitive price guarantee
With years of experience, we can offer our customers the most competitive prices.At the same time, as a powerful factory, we can offer customers more favorable prices than other factories.
Delivery time guarantee
We will strictly control the manufacturing schedule to ensure punctual delivery.It can satisfy the customer's time schedule and ensure the continuous production of customers.

Packaging & Shipping

Carbon steel Hemispherical spherical head for Industrial hot blast stove

1. Iron Frame2. Wooden Box3. Iron pallet4.Wooden pallet.5.Professional fixation6. Curstomed requirment

FAQ

Q: What’s the information should I provide when inquiry?

A: Thanks for your question. If you have drawings, we will be entirely in accordance with production drawings . If you do not have the drawing, you can tell me the product data. There are several important data, such as material, type of head( We have elliptical head, hemispherical head, dished head, flat head, etc. ),diameter, thickness, special tolerances or requirements. We can do the drawings according to your requirements, and you confirm that the final product drawings.

Q: what are surface treatment of the product?

A:Thanks for your question. For carbon steel products, we sandblasting descaling product surface. For stainless steel products, we use acid to remove surface oil and impurities.

Q: How do you ensure the quality of products?

A: Thanks for your question.Our production staff is trained through national quality department, and obtain the corresponding certificate, with years of production and design experience. Weld must undergo X-ray inspection to ensure that no defects.

Q: Can you help us matching related products?

A: Thanks for your question. Our company also is surrounded by a lot of ancillary businesses, such as flanges, boiler, oil refining equipment, etc. We can help you matching the highest quality products with the lowest prices .

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