Elliptical Dish Head

Manufacturer of Elliptical Dish Head

Dingjin is a professional manufacturer specialized in pressure vessel dish end, spherical shell plate and the third classification pressure vessel. We fabricate and inspect as per cited code and additional requirements specified in purchase order. Received good feedback on quality, efficiency and service. In Dalian Dingjin's opinion, what we are making not only pressure vessel parts, but also the armor of life.

First 12 Last

Why Choose Us

Our Factory

The company was established in 2000 and covers an area of 10000 square meters. In the past 24 years, we have provided more than 200,000 products to domestic and foreign customers and received good feedback in terms of quality, efficiency and service.

Product Applications

The products are widely used in many other industries, such as electronics, construction, heating, textiles, sewage management, machinery, nuclear power, aerospace, pressure vessels and military industries.

Professional Personnel

The engineers and technicians has been engaged in dish heads fabrication over 10 years. They keep on learning new code and researching advanced work craft to meet the demand of market.

Comprehensive Service

From the beginning of marketing to the ending of sales-after service, we have 9 functional department to assure the product quality and each feedback from clients could be solved quickly and correctly.

Benefits of Elliptical Dish Head

Enhanced Durability

Made from high-quality materials like stainless steel, plastic, or aluminum, these caps resist corrosion and wear.

Improved Safety

By finishing open pipe ends, these caps minimize the risk of accidents and injuries associated with sharp edges.

Aesthetic Appeal

With a sleek and sophisticated design, elliptical end caps elevate the visual appeal of products and structures.

Reduced Weight

Compared to other head shapes, elliptical dished heads have less material, resulting in lighter structures without sacrificing strength.

Types of Elliptical Dish Head

Hemispherical Head

Compared with other forms of head in the same diameter and pressure conditions, the required thickness is small, the head volume is the same, the hemispherical head surface area is small, material-saved, and the force is very uniform. Due to manufacturing difficulties, except for the pressure vessels with high pressure and large diameter in general, other vessels are less used.

Conical Head

The head is a type of boiler parts in pressure vessel. It can heat a variety of sizes of the pipe by medium-frequency induction heating mode. Fast heating, adjusted power, good starting performance, stable performance, small area, easy to operate and maintain.

Torispherical Heads

Torispherical heads are the most common type of dished heads. They have a shallow toroidal shape with a knuckle radius, providing a smooth transition between the cylindrical shell and the dished portion. Torispherical heads offer good strength and are suitable for moderate-pressure applications.

Application of Elliptical Dish Head

Construction and Architectural Designs

Used in railings and decorative structures to provide a polished finish while ensuring safety.

Automotive Sector

Employed in vehicle body manufacturing and frameworks to enhance structural integrity and aesthetics.

Plumbing and HVAC Systems

Utilized to seal pipe ends in heating and cooling systems, ensuring efficiency and preventing leaks.

Furniture Manufacturing

Commonly found in furniture legs and supports, elliptical end caps provide stability and a modern look.

Ellipsoidal Dish Head Dimensions

DN=DI/mm	Hi/mm Hi=H-h	H(mm) Straight Edge Height
		25		40		50
		Internal surface area S/m2,Volume V/m2
		S	V	S	V	S	V
300	75	0.12	0.005
400	100	0.20	0.012
500	125	0.31	0.021	0.33	0.024
600	150	0.44	0.035	0.47	0.040
700	175	0.59	0.055	0.62	0.060
800	200	0.76	0.080	0.79	0.087
900	225	0.95	0.111	0.99	0.121
1000	250	1.16	0.151	1.21	0.162
1200	300	1.66	0.254	1.71	0.271
1400	350	2.23	0.398	2.30	0.421
1600	400	2.90	0.586	2.98	0.617
1800	450	3.65	0.827	3.71	0.865	4.21	1.040

Lead Time

Quantity (pieces)	1 - 100	101 - 1000	1001 - 10000	> 10000
Lead time (days)	7	10	15	To be negotiated

Packaging & Shipping

productcate-674-293

productcate-666-257

Certifications

FAQ

Q: What is the difference between dished and elliptical head?

A: An elliptical head is stronger than a dished head, but an elliptical head of the same diameter is somewhat deeper than a dished one and is slightly more difficult to manufacture than a dished head. It consumes more materials and costs a bit more, and the difference in volume remains small.

Q: What is an ellipsoidal head?

A: An ellipsoidal head, also called a 2:1 elliptical head, is a specific type of shape used at the end of a pressure vessel. The shape of this head is more economical because the height of the head is just a quarter of the diameter.

Q: How to choose what material to use in making your dished end?

A: There are different types of products that are used to create dished ends. Materials include duplex steel, carbon steel, stainless steel, aluminium and titanium. Surface treatments include sandblasting and pickling.

Q: What is the ratio of elliptical head?

A: The Semi Elliptical head has an elliptical form – the most common ratio is 2:1 – or the width of the ellipse is twice the depth. (the width of the head is 4x the head depth). Other ratios are possible but not commonly used.

Q: Are Ellipsoidal Heads Superior to Other Types?

A: Each head type has its strengths. Ellipsoidal heads are liked for how they distribute stress, but the best choice depends on what’s needed for a specific design.

Q: What is the straight flange length of the ellipsoidal head?

A: The straight flange refers to the straight potion of the head measured from the tangent line to the edge of the head. The industry standard is 1 ½” for ASME F&D's and 2.0” for Ellipticals but most head manufactures can change this to suit your needs.

As one of the leading elliptical dish head manufacturers in China, we warmly welcome you to buy high quality elliptical dish head for sale here and get quotation from our factory. For price consultation, contact us.

elliptical dish head for customization and configuration management systems, round dished end, elliptical dish head for flanges