Elliptical head 2700 mm — profile diagram

Clarification filtersIndustrial separators

The elliptical head 2700 mm is a large formed component requiring a uniform profile and preserved geometry from manufacturing through shell welding.

At D = 2700 mm, height h2 = 675 mm. Thickness and material follow the vessel calculations and customer requirements.

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Specifications for elliptical heads 2700 mm

Parameter Value
Diameter D 2700 mm
Wall thickness S 3–22 mm
Elliptical dish depth h2 675 mm
Straight flange height h1 Depends on material thickness and project requirements
Head type Elliptical, flanged
Manufacturing process Cold flanging
Standards and documentation GOST 6533-78, GOST 34347-2017, GOST 34233.2-2017, technical specifications and customer drawings
Materials St3, St20, 09G2S, 17G1S, 08Kh18N10T, 12Kh18N10T and other specified steel grades
Application Vessels, tanks and process equipment according to the project
Heat treatment As required by the project
Quality inspection Checks of geometry, thickness, surface and compliance with the specification
Delivery Russia and CIS countries

Typical dimensions for D = 2700 mm

Thickness S, mm Straight flange height h1, mm Elliptical dish depth h2, mm Note
3 To be agreed 675 Individual drawing / technical specification
4 To be agreed 675 Individual drawing / technical specification
5 To be agreed 675 Individual drawing / technical specification
6 To be agreed 675 Individual drawing / technical specification
8 To be agreed 675 Individual drawing / technical specification
10 To be agreed 675 Individual drawing / technical specification
12 To be agreed 675 Individual drawing / technical specification
14 To be agreed 675 Individual drawing / technical specification
16 To be agreed 675 Individual drawing / technical specification
18 To be agreed 675 Individual drawing / technical specification
20 To be agreed 675 Individual drawing / technical specification
22 To be agreed 675 Individual drawing / technical specification

The straight flange height h1 is selected by diameter and thickness from GOST 6533-78, Table 2 (internal basic diameter). Sizes and thicknesses absent from that table, including 3 mm, require an agreed drawing or technical specification. h2 = D/4 for this elliptical profile.

Manufacturing elliptical heads 2700 mm

Cold forming and flanging of dished ends

For 2700 mm, finished supports after forming require particular attention. Incorrect positioning can cause local deformation even after successful production inspection.

Checks during manufacturing include:

  • initial blank thickness and condition;
  • Diameter D = 2700 mm;
  • elliptical dish depth h2 = 675 mm;
  • knuckle geometry and uniformity;
  • component ovality;
  • surface and edge condition.

Applications of the elliptical head 2700 mm

Applications include gas-liquid separators and underground LPG tanks.

These equipment types operate under different conditions. The head type is shared, while construction parameters are specified separately.

Vessel equipment applications
Dished-end profile and manufacturing requirements

GOST 6533-78 — 2700 mm

For the catalogue elliptical profile of diameter 2700 mm, dish depth h2 = 675 mm, or 0,25 of D. Straight flange height h1 depends on thickness and the agreed configuration.

Germes-Ural manufactures heads 2700 mm with reference to GOST 6533-78, GOST 34347-2017, GOST 34233.2-2017, calculations and the technical specification. Non-standard parameters are recorded in the agreed drawing.

Ordering requirements for a head 2700 mm

For 2700 mm, agree interim storage conditions if there will be a substantial delay between delivery and assembly.

  • thickness S and material grade;
  • required straight flange height h1;
  • equipment application, medium, pressure and temperature;
  • edge preparation and welded joint requirements;
  • storage conditions and duration before assembly;
  • support or component positioning requirements at the site;
  • drawing or technical specification for a project-specific configuration.
Materials for dished-end manufacturing

Materials for the head 2700 mm

Carbon and low-alloy steels

St3, St20, 09G2S, 17G1S, 20YuCh and Other steel grades

Stainless steels

08Kh18N10T, 12Kh18N10T, 10Kh17N13M2T, AISI 304, AISI 321, AISI 316Ti and equivalents

Aluminium alloys

AMg3, AMg5, AMg6 and other alloys by agreement

Titanium and special alloys

VT1-0, VT5, VT6, OT4-0 and other materials to the design documentation

Low-alloy steels may be specified for gas and oil equipment. The exact grade follows the calculations and design.

Geometry and quality inspection of dished ends

Quality inspection of heads 2700 mm

The main component parameters are checked before delivery. After measurement, the large head is placed on stable supports that preserve the formed edge geometry.

  • compliance of diameter D = 2700 mm;
  • elliptical dish depth h2 = 675 mm;
  • metal thickness;
  • ovality and knuckle geometry;
  • surface and edge quality;
  • compliance with GOST, technical specifications or the drawing.

Why choose Germes-Ural

  • Dished end manufacturing since 2004;
  • Our own manufacturing facility;
  • Head diameters from 100 to 4700 mm;
  • Metal thickness from 3 to 40 mm;
  • Manufactured to GOST, technical specifications and customer drawings;
  • Quality checks throughout manufacturing;
  • Delivery across Russia and CIS countries.

Frequently asked questions about the head 2700 mm

What dish depth and flange height are specified for elliptical head 2700 mm?

For diameter 2700 mm, the typical elliptical dish depth h2 is 675 mm, equivalent to 0,25D.

Can the head 2700 mm be used in gas-liquid centrifugal separators?

Elliptical heads are used in this equipment class, but the actual diameter, thickness, material and geometry must match the specific vessel design.

What information is needed for a quotation?

For 2700 mm, agree interim storage if delivery and assembly are separated by a substantial period. Include D, thickness, material, h1, quantity, application and any drawing or specification.

Which material grades are available for elliptical head 2700 mm?

Yes, these materials are in the production range. The exact grade and thickness are confirmed after reviewing medium, temperature, pressure and design requirements.

Can elliptical head 2700 mm be manufactured to a drawing?

Yes. Manufacturing can follow GOST, technical specifications and individual customer engineering documentation.

Where can elliptical head 2700 mm be delivered?

During transport of 2700 mm, securing and support points are checked so transport loads are not concentrated on edge sections.

Packaging of dished ends

Delivery of elliptical heads 2700 mm across Russia

During transport of 2700 mm, securing and support points are checked so transport loads are not concentrated on edge sections.

Germes-Ural delivers across Russia and CIS countries. Supply details are confirmed for quantity, material, batch weight and destination.

Order elliptical heads 2700 mm

Provide diameter, thickness, material, quantity and equipment application. Germes-Ural specialists will confirm geometry and inspection requirements and prepare a quotation.

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    This page describes elliptical heads of diameter 2700 mm. The complete size range is listed under Elliptical heads.

    Other diameters of elliptical heads

    All sizes 2500 mm 2600 mm 2800 mm 2900 mm

    Other head types

    Torispherical Flanged conical heads Shallow dished heads Domed flanged heads Flat flanged heads Spherical heads

    Domed flanged headsFlanged conical headsFlat flanged heads