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The spherical head 920 mm is used in vessels, tanks and process equipment.
Germes-Ural manufactures spherical heads of diameter 920 mm to GOST 34233.2-2017, GOST 34347-2017, technical specifications and customer drawings.
Specifications for spherical heads 920 mm
| Parameter | Value |
|---|---|
| Diameter D | 920 mm |
| Wall thickness s | 3–40 mm |
| Crown radius R | 460 mm |
| Height h1 | — |
| Height h2 | 460 mm |
| Head type | Spherical, unflanged |
| Manufacturing process | Cold forming |
| Standards and documentation | GOST 34233.2-2017, GOST 34347-2017, technical specifications and customer drawings |
| Materials | St3, St20, 09G2S, 17G1S, 08Kh18N10T, 12Kh18N10T and other specified steel grades |
| Application | Vessels, tanks and process equipment |
| 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 = 920 mm
| Thickness s, mm | Radius R, mm | Height h1, mm | Height h2, mm | Note |
|---|---|---|---|---|
| 3–40 | 460 | — | 460 | Parameters confirmed against technical specifications and the customer drawing |
Spherical head parameters are confirmed during the engineering review, taking into account material, thickness, medium, pressure and project requirements.
Manufacturing spherical heads 920 mm
Spherical heads 920 mm are manufactured using cold forming equipment. The process provides a consistent spherical profile for individual and batch production.
Checks during manufacturing include:
- blank thickness;
- component diameter;
- crown radius;
- edge quality;
- surface condition;
- compliance with the technical specification and drawing.
Applications of spherical heads 920 mm
Spherical heads of diameter 920 mm are used in:
- vessels;
- tanks and process vessels;
- chemical processing equipment;
- food and pharmaceutical tanks;
- energy equipment;
- filters and thermal storage tanks;
- fuel tanks;
- architectural and decorative structures.
Spherical profile calculations — 920 mm
Spherical heads are used in vessels, tanks and related equipment.
For diameter 920 mm, the catalogue specifies crown radius R = 460 mm. Germes-Ural manufactures spherical heads 920 mm with reference to GOST 34233.2-2017, GOST 34347-2017, design documentation and the customer specification. A customer drawing can be agreed where required.
Features of the spherical head 920 mm
- simple unflanged design;
- consistent spherical geometry;
- applications in tanks and process equipment;
- manufacturing in different specified steel grades;
- manufacturing to GOST, technical specifications and customer drawings;
- geometry and surface quality checks.
Materials
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, 1561, R-1407 and other alloys by agreement
Titanium and special alloys
VT1-0, VT5, VT6, VT8, VT9, OT4-0 and other materials to the design documentation
The material for a spherical head 920 mm is selected for the operating conditions. The review covers the medium, pressure, temperature, corrosion resistance and vessel documentation.
Quality inspection
Before delivery, the spherical head 920 mm is checked for:
- compliance of the diameter and radius with specified values;
- metal thickness checks;
- surface quality inspection;
- component edge inspection;
- compliance with GOST and the agreed technical specification.
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
What is the lead time for spherical head 920 mm?
Lead time depends on metal thickness, steel grade, batch size, material availability and additional requirements. It is confirmed after the order parameters are agreed.
Can spherical head 920 mm be manufactured to a drawing?
Yes. Germes-Ural manufactures spherical heads to GOST, technical specifications and customer drawings.
What radii are specified for spherical head 920 mm?
For a spherical head of diameter 920 mm, the table specifies crown radius R = 460 mm. Final dimensions are confirmed by the design documentation or customer drawing.
What thickness is available for spherical head 920 mm?
The thickness range is 3–40 mm. The required thickness is selected by calculation, taking into account material, the technical specification and operating conditions.
Which material grades are available for spherical head 920 mm?
Available materials include carbon, low-alloy, stainless and special steels: St3, St20, 09G2S, 17G1S, 08Kh18N10T, 12Kh18N10T, AISI 304, AISI 321 and AISI 316Ti; other materials can be agreed.
Where can spherical head 920 mm be delivered?
Spherical heads 920 mm can be delivered across Russia and CIS countries, including Yekaterinburg, Moscow, Saint Petersburg, Chelyabinsk, Tyumen, Perm, Ufa, Kazan, Samara and Novosibirsk.
Delivery of spherical heads 920 mm across Russia
Germes-Ural supplies spherical heads of diameter 920 mm across Russia and CIS countries.
Delivery can be arranged through a transport company, a dedicated vehicle or a consolidated shipment. The method is selected for the size, batch weight, packaging requirements and schedule. Our specialists will confirm the quotation and manufacturing specification.
Order spherical heads 920 mm
Germes-Ural specialists will prepare a quotation and confirm the material, thickness, radius and geometry requirements for your project.
This page describes spherical heads of diameter 920 mm. The complete size range is listed under Spherical heads.
Domed flanged headsFlanged conical headsFlat flanged heads