Stainless Steel Dished Head Manufacturer supplier Stainless Steel Vessel End

Stainless Steel Dished Head Vessel Ends: Essential Components for Pressure Vessels

Stainless steel dished heads, also known as Elliptical Heads or vessel ends, are critical components in a variety of industries where high-quality, durable sealing of containers is required. These heads are designed to close off the ends of pressure vessels, pipes, and tanks, ensuring safe and reliable operation under high-pressure conditions. Stainless steel dished heads offer exceptional resistance to rust, abrasion, scaling, and provide excellent sound and vibration dampening properties, making them ideal for a range of demanding applications.

What is a Stainless Steel Dished Head?

A stainless steel dished head is a precisely manufactured end cap used to seal off the openings of a pressure vessel, typically welded onto the ends of a round pipe or tank. The head is typically designed in an elliptical or semi-elliptical shape, though other forms such as hemispherical heads may also be used, depending on the application requirements.

The dished head serves as a crucial structural component, absorbing internal pressure and distributing stress evenly. It plays an important role in improving the overall strength and performance of the pressure vessel, especially in applications such as chemical processing, food and pharmaceutical production, petroleum, and nuclear power.

Material Options and Specifications

The stainless steel dished head is typically produced from high-quality stainless steel alloys, including 304, 316L, 321, and 310S. The selection of material depends on the specific needs of the application, such as resistance to corrosion, temperature, and pressure.

Product Specifications:

• Diameter: φ89MM - φ13000MM

• Thickness: 3MM - 400MM

• Materials: 304, 304L, 321, 316, 316L, 310S, UNS S31500, 630, UNS S31803/S32205, UNS S32750, and others

• Processing Methods: Cold press, cold spinning, hot press

• Surface Treatment: Pickling, mirror polishing, sandblasting, or customized to customer requirements

These heads are fabricated through advanced methods, such as cold pressing, cold spinning, or hot pressing, to meet precise engineering standards. The surface treatment options range from pickling and mirror polishing to sandblasting, depending on the specific demands of the customer.

Key Features and Benefits

1. Corrosion Resistance: Stainless steel dished heads are resistant to rust and corrosion, ensuring long-term durability even in harsh environments, such as in chemical processing or marine applications.

2. High Strength: Manufactured from tough stainless steel alloys, these dished heads can withstand high pressures and temperatures without compromising structural integrity.

3. Abrasion and Scaling Resistance: They offer superior protection against wear and scaling, making them ideal for use in industries where longevity and minimal maintenance are essential.

4. Noise and Vibration Reduction: The dished shape helps reduce oscillation and noise, particularly in high-pressure environments, enhancing the overall performance of pressure vessels and containers.

5. Wide Application Range: Stainless steel dished heads are widely used in various industries, such as petroleum, electronics, chemical, pharmaceutical, food processing, sewage treatment, and aerospace.

Application Areas

• Petroleum & Chemical Industry: Used in tanks, reactors, and pipelines for sealing pressure vessels and ensuring safe operation in corrosive environments.

• Nuclear Power & Aerospace: Stainless steel dished heads are essential for pressure vessels and components subject to extreme pressure and temperature conditions.

• Pharmaceutical & Food Processing: The non-reactive nature of stainless steel makes these heads ideal for applications in the food and pharmaceutical industries, where hygiene and corrosion resistance are paramount.

• Boiler & Pressure Vessel Equipment: They are often used as end caps or covers in boilers, providing structural support and maintaining vessel integrity under high pressure.

Quality Control and Manufacturing Process

The quality of stainless steel dished heads is vital to the safety and functionality of the pressure vessels they seal. From the purchase of raw materials to the finished product, strict quality control measures are applied at every stage of the manufacturing process:

1. Material Procurement: Physical and chemical testing of materials ensures compliance with quality standards.

2. Manufacturing: Hot forging and forming processes are used to shape the heads precisely.

3. Inspection & Testing: Each product undergoes rigorous inspection, including dimensional checks and stress testing.

4. Surface Finishing: Fine finishing, polishing, or sandblasting is applied to achieve the desired surface finish.

5. Packaging and Shipping: Once quality checks are passed, the dished heads are carefully packed and prepared for shipment.

Product Gallery

Conclusion

Stainless steel dished heads are essential components in pressure vessel construction, ensuring safety, reliability, and durability in a variety of industries. With their corrosion resistance, strength, and high performance under pressure, these heads meet the demanding requirements of applications across the chemical, food, pharmaceutical, petroleum, and aerospace industries. Whether you need custom-sized dished heads or standard models, these stainless steel vessel ends provide a robust solution for sealing and securing pressure vessels.

By choosing high-quality stainless steel dished heads, you ensure long-lasting performance and safety for your industrial operations.

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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