Torispherical head Type C — profile diagram

Type CFlare separators (FS)Clarification filters

The torispherical head 2200 mm Type C is an end component for a vessel, selected according to its design.

Germes-Ural manufactures Type C heads of diameter 2200 mm by cold flanging to GOST 34347-2017 and the agreed drawing. Strength calculations use GOST 34233.2-2017.

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Specifications for torispherical heads 2200 mm Type C

Parameter Value
Diameter D 2200 mm
Profile type Torispherical, flanged, C
Wall thickness s 6–22 mm; specific configuration subject to design calculations
Crown radius R 1760 mm
Knuckle radius r 338.8 mm
Dish depth h2 According to the agreed drawing
Straight flange height h1 Specified for the thickness and welded joint
Manufacturing process Cold flanging
Documentation GOST 34347-2017, GOST 34233.2-2017, technical specifications and customer drawings
Materials Carbon, low-alloy and stainless steels; other materials as specified
Heat treatment As required by the material and project
Inspection Geometry, thickness, surface and compliance with the specification
Delivery Russia and CIS countries

Profile dimensions for D = 2200 mm, Type C

D, mm Type R, mm r, mm s, mm Heights h1 and h2
2200 C 1760 338,8 6–22 According to the drawing

R and r follow the company catalogue geometry for Type C: R = 0,8D and r = 0,154D, referenced to the internal surface. The table does not replace thickness calculations or agreement of the finished heights.

Manufacturing torispherical heads 2200 mm Type C

Cold forming and flanging of dished ends

When manufacturing Type C, the crown and knuckle are checked against the Type C diagram. Radii and profile height cannot be changed independently while retaining the same designation. Straight flange, bevel and allowances are specified for the joint.

For diameter 2200 mm, agree the blank, joint preparation and finished Type C profile inspection plan. Radii R = 1760 mm and r = 338,8 mm are recorded in the working drawing together with thickness and surface requirements.

  • Mating diameter 2200 mm and ovality
  • Profile R=1760 mm, r=338,8 mm
  • Finished part thickness
  • Straight flange profile and edge preparation
  • Surface condition and documentation requirements

Applications of torispherical heads 2200 mm Type C

Check the requirements for the equipment receiving the head: Heads for flare separators (FS), Heads for clarification filters. These links describe the equipment applications; suitability of a specific head is confirmed by the equipment design.

Specify Type C separately from the diameter. Submit the equipment operating conditions, openings and additional loads for review of the selected profile.

Vessel equipment applications
Dished-end profile and manufacturing requirements

Torispherical head 2200 mm Type C — GOST requirements

Type C uses its own crown and knuckle radius combination. It should not be described as a universal minimum-height option: dish depth follows the agreed profile and suitability follows the vessel calculation.

GOST 34347-2017 sets general manufacturing requirements for welded steel vessels; GOST 34233.2-2017 is used for calculations. The production range and profile radii are checked against the engineering documentation. For 2200 mm Type C, the catalogue specifies R = 1760 mm and r = 338,8 mm.

Edge preparation for shell thickness — Type C

Head and shell thicknesses may differ. The transition and edge preparation must follow the documentation rather than be improvised during assembly. For 2200 mm, submit both thicknesses and the joint drawing.

For an order of 2200 mm Type C, state the drawing number and revision, material, thickness and acceptance requirements. Diameter 2200 mm does not replace the other specification requirements.

Materials for dished-end manufacturing

Materials

Carbon steels

20YuCh, 09G2S, St3sp5, St20, 17G1S

Aluminium alloys

AMg3, AMg5, AMg61 (1561), R-1407

Stainless steels

08(12)Kh18N10T, 10Kh17N13M2T, AISI 321, AISI 304, AISI 316Ti and Other

Titanium alloys

VT1-0, VT5, VT6, VT8, VT9, OT4-O

Geometry and quality inspection of dished ends

Quality inspection of heads 2200 mm Type C

Acceptance of Type C includes checks of the specified radii and heights and the actual finished thickness. Opening and connection positions are checked against the documentation. Weld inspection methods are agreed for each blank.

  • Diameter 2200 mm checked against the specified datums
  • Checks of radii 1760 and 338,8 mm
  • Finished component thickness measurement
  • Inspection of the surface and transition zone
  • Checks of the straight flange, edge and opening positions

Why choose Germes-Ural

  • Dished end manufacturing since 2004;
  • Our own manufacturing facility;
  • Torispherical heads: diameters 600–4200 mm;
  • Torispherical head thickness: specified within the catalogue range;
  • Manufactured to GOST, technical specifications and customer drawings;
  • Quality checks throughout manufacturing;
  • Delivery across Russia and CIS countries.

Frequently asked questions

Can the head be welded to a thinner shell?

Feasibility and joint configuration follow the design. Submit thicknesses, materials and the welded joint detail for review.

Is Type C always shallower than A and B?

There is no general rule for ordering. Installed height is determined from the complete profile and straight flange in the specific drawing.

What information is needed for a quotation?

Provide the design pressure and temperature, medium, material, thickness, profile drawing and quantity. For 2200 mm Type C, also specify R = 1760 mm and r = 338,8 mm.

What is the lead time for torispherical head type c 2200 mm?

The lead time is confirmed after reviewing the material, thickness, batch size and processing requirements. The indicative lead time of 7 days or more is confirmed in the quotation.

Which material grades are available for torispherical head type c 2200 mm?

The grade is selected to suit the shell material, medium, temperature and welding process. Availability of a particular combination is confirmed after reviewing the project.

Packaging of dished ends

Delivery of torispherical heads 2200 mm Type C

The head of diameter 2200 mm Type C is delivered after packaging and transport arrangements are agreed. Vehicle selection takes into account the actual dimensions, component weight and batch quantity.

Include the delivery destination and unloading restrictions in the enquiry. Protection of prepared edges and surfaces is agreed for the project and transport conditions.

Order torispherical heads 2200 mm Type C

Germes-Ural specialists will prepare a quotation and confirm the material, thickness and geometry requirements for your project.

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    This card describes diameter 2200 mm Type C. All sizes for this configuration and Other head types in 2200 mm.

    Other diameters of Type C

    All sizes2100 mm2300 mm

    Other configurations and head types

    Type A, 2200 mmType B, 2200 mmElliptical headsSpherical heads