Custom Elliptical Head for Storage Tank Head Manufacturer in China

Custom Elliptical Head for Storage Tank Head Manufacturer in China

2:1 Elliptical Dish Head Specifications

Note: All dimensions, materials and technical specifications can be customized according to customer drawings, pressure vessel design requirements and applicable manufacturing standards.

Materials Available
We manufacture 2:1 elliptical dish heads from different metal materials according to application requirements.
Carbon Steel
Common options include:
Q235B
Q345R
SA516 Gr.70
Other carbon steel grades according to customer requirements
Carbon steel elliptical heads are commonly used for industrial tanks, pressure vessels, boilers and general process equipment.
Stainless Steel
Common options include:
SS304
SS304L
SS316
SS316L
Stainless steel heads are suitable for applications requiring improved corrosion resistance and hygienic or chemical compatibility.
Aluminum Alloy
Depending on the required application and manufacturing capability, aluminum alloy heads can also be produced in selected grades such as:
3003
5052
5083
Please confirm material availability with the manufacturer before placing an order.

Manufacturing Process
Our elliptical dish head manufacturing process is controlled from raw material preparation to final inspection.
1. Raw Material Preparation
Metal plates are selected according to the specified material grade, thickness and technical requirements.
2. Cutting
The plate is cut to the required blank size according to the head diameter, thickness and forming requirements.
3. Forming
The prepared metal blank is formed into the required elliptical profile using suitable forming equipment.
Depending on material, dimensions and thickness, hot forming or cold forming can be used.
4. Heat Treatment
Heat treatment can be performed when required by the material, manufacturing standard or customer specification.
5. Trimming
The formed head is trimmed to the specified finished diameter and required dimensional tolerance.
6. Edge Preparation
The edge can be machined or beveled according to the customer's welding and assembly requirements.
7. Surface Treatment
Different surface treatments can be provided depending on the material and application, including:
Sandblasting
Shot blasting
Pickling
Polishing
Other specified treatments
8. Inspection
Finished heads are inspected for dimensions, appearance and other specified quality requirements before shipment.

Quality Control
Quality control is an important part of our pressure vessel head manufacturing process.
Depending on the project requirements, inspection can include:
Raw material verification
Material certificate review
Diameter inspection
Height inspection
Thickness inspection
Shape/profile inspection
Visual inspection
Edge inspection
Dimensional tolerance inspection
Welding inspection for welded heads
NDT when required
We can provide material certificates and inspection documentation according to customer requirements.

Applications
2:1 elliptical dish heads are widely used in industrial equipment where a formed vessel head is required.
Pressure Vessels
Used as end closures for various pressure vessels and process equipment.
Storage Tanks
Suitable for storage tanks used for liquids, gases and industrial materials, subject to the tank design requirements.
Heat Exchangers
Used as formed end components for heat exchanger equipment.
Boilers
Used in selected boiler and thermal equipment applications.
Chemical Equipment
Suitable for chemical processing tanks and other industrial process equipment when the selected material is compatible with the service environment.
Industrial Equipment
Also used in:
Petrochemical equipment
Pharmaceutical equipment
Food processing equipment
Water treatment equipment
Oil and gas equipment
Industrial tanks

Custom 2:1 Elliptical Dish Heads
Different pressure vessel and storage tank projects require different dimensions and technical specifications.
We provide custom elliptical dish heads according to:
Customer drawings
Diameter
Thickness
Material grade
Head height
Inside or outside diameter
Edge preparation
Tolerance requirements
Manufacturing standard
Surface treatment
Quantity
Customers can send us their PDF, CAD drawings or technical specifications for quotation and production evaluation.

Custom Manufacturing Service
Send us your drawing or specifications, and our engineering team can review the required dimensions, material, thickness and manufacturing requirements before quotation.

Product Advantages
2:1 Ellipsoidal Head has a geometry that provides a gradual transition between the cylindrical shell and the formed head.
Key advantages include:
Suitable for many pressure vessel designs
Efficient elliptical geometry
Available in different materials
Custom dimensions
Suitable for welded vessel fabrication
Multiple surface treatment options
Available with different edge preparations
Suitable for various industrial applications
The actual pressure rating and suitability of a head must be determined based on the complete vessel design, material, thickness, operating conditions and applicable design code.

Packaging & Delivery

To protect the formed heads during transportation, we can provide suitable export packaging according to product dimensions and shipping requirements.
Available packaging options may include:
Steel frame packaging
Steel pallet
Wooden packaging
Protective film
Customized export packaging
For large-diameter heads, packaging and loading methods can be discussed according to the shipping method and container requirements.

Shandong Meihuayuan Industry Co., Ltd. stands as one of China's professional head manufacturers, operating a premier metal fabrication facility dedicated to engineering excellence. We specialize in the production of a comprehensive range of head types-including elliptical, dished, hemispherical, spherical (no straight flange), conical, pipe caps, expansion joints, and flat-bottomed heads-crafted from diverse materials to meet specialized industrial demands.

• Our core competitive advantage lies in our unparalleled technical capabilities and state-of-the-art infrastructure. With a production capacity covering diameters from 25mm to 11,000mm and thicknesses from 1.0mm to 80mm, we are equipped to handle projects of virtually any scale. Our facility boasts one of the most complete equipment portfolios in the industry, featuring a powerful lineup of hydraulic presses (ranging from 200T to 10,000T) and advanced spinning units (including 4.2m, 7.2m, and 11m drum spinning machines). Supported by over 60 sets of auxiliary equipment-including annealing furnaces, radiographic flaw detectors, and full physical/chemical testing labs-we ensure precision, durability, and strict compliance with international quality standards.
  Beyond manufacturing, we offer integrated turnkey services encompassing metal stamping, CNC machining, welding, and finishing. This vertical integration allows us to deliver fully customized solutions that exceed client expectations. 
  In Meihuayuan, quality is not just a metric but a culture. Through continuous investment in cutting-edge technology and a steadfast commitment to innovation, we strive to maintain our position at the forefront of the global metal manufacturing industry, delivering reliable, high-performance solutions to partners worldwide.

Our Customers

Why Choose Our 2:1 Elliptical Dish Heads?

Custom Dimensions
Diameter, thickness, material and other specifications can be customized according to drawings and technical requirements.
Multiple Material Options
Carbon steel, stainless steel, alloy steel and selected aluminum alloys can be supplied according to actual manufacturing capability.
Dimensional Control
We perform dimensional inspections on finished heads to verify the required diameter, height, thickness and profile.
Export Experience
Products can be prepared with export-standard packaging and documentation for international shipments.

Technical Support
Our team can review customer drawings and specifications before production to help confirm manufacturing requirements.

FAQ

What is a 2:1 elliptical dish head?
A 2:1 elliptical dish head, also called a 2:1 ellipsoidal head, is a formed vessel head with an elliptical profile. It is commonly used on pressure vessels, tanks and other industrial equipment.
What is the difference between an elliptical head and an ellipsoidal head?
In pressure vessel terminology, elliptical head and ellipsoidal head are often used to describe the same general type of formed head. The exact geometry should be confirmed from the applicable drawing or design standard.
What materials can be used for elliptical dish heads?
Depending on the manufacturer's capabilities and application, elliptical heads can be manufactured from carbon steel, stainless steel, alloy steel and selected aluminum alloys.
Can you manufacture elliptical heads according to drawings?
Yes. Custom manufacturing can be provided according to customer drawings, dimensions, material specifications and applicable standards.
Can you provide material certificates?
Material certificates such as MTC / EN 10204 3.1 can be provided when required and available for the specified material.
What applications are elliptical dish heads used for?
They are commonly used in pressure vessels, storage tanks, heat exchangers, boilers, chemical equipment and other industrial equipment.
Can you provide different edge preparations?
Yes. Edge trimming, beveling and machining can be provided according to the customer's welding and assembly requirements.
Do you manufacture small and large diameter heads?
Diameter availability depends on the factory's equipment and production capability. Customers can provide their required diameter and d