What voltage and current range does the GIS Welded Enclosures (GIS Fabricated Tank) cover?

Catalogue voltage range: 72.5–800 kV; current range: Project-specific. Confirm the rating of the specific model and drawing.

What insulation or construction is used?

Materials according to design requirements.

Which standards are referenced?

Catalogue standard reference: Customer drawings & technical specifications. Request type-test evidence for the specific model.

Which applications is it used in?

GIS & GCB Gas-Insulated Switchgear.

Home Products GIS Cast / Welded EnclosuresGIS Welded Enclosures (GIS Fabricated Tank)

GWE72.5–800 kV

Built to customer drawings and technical specifications

GIS Cast / Welded Enclosures

GIS Welded Enclosures (GIS Fabricated Tank)

Customized welded enclosures and housing assemblies for Gas-Insulated Switchgear (GIS), manufactured to customer drawings and technical specifications.

Voltage Range72.5–800 kV

Design BasisCustomer drawings & specifications

ConfigurationsCylindrical & multi-port housings

InterfacesPrecision-machined flanges

Materials & FabricationAccording to design requirements

Quality SupportInspection & technical documentation

Buyer requirement checklist

Quote against approved manufacturing drawings and inspection criteria.

Drawing revision, dimensions, ports and flange interfaces
Alloy, casting/welding route and conductor requirements
Gas type, pressure and sealing surfaces
Leak, weld, dimensional and conductivity inspection plan

IEC 62271-203 addresses the complete AC GIS assembly; enclosure acceptance is drawing and project-specification specific.

Discuss drawings & requirements

Product Overview

EONOVA supplies customized welded enclosures and housing assemblies for Gas-Insulated Switchgear (GIS) applications. Manufactured according to customer drawings and technical specifications, these components are designed to meet the structural, dimensional, and sealing requirements of high-voltage electrical equipment. Our sourcing network in China supports a range of welded enclosure configurations, including cylindrical housings, multi-port structures, flanged connections, and precision-machined interfaces. We work closely with manufacturing partners to support material selection, welding fabrication, machining, and quality inspection in accordance with project requirements.

Custom Sourcing SupportInquire Now

EONOVA – Your Reliable Sourcing Partner for GIS Components from China. Share your drawings and technical specifications so that material selection, welding fabrication, machining and inspection requirements can be coordinated with manufacturing partners.

Target Applications

Gas-Insulated Switchgear (GIS)

Showing 7 of 7 models

Drawing-based configuration, materials and inspection are agreed for each project.

Parameter	Value
Voltage Range	72.5–800 kV
Product Name	GIS Welded Enclosures / GIS Fabricated Tank
Design Basis	Customer drawings and technical specifications
Configurations	Cylindrical housings and multi-port welded structures /
Connection Interfaces	Flanged connections and precision-machined interfaces /
Materials and Fabrication	Options subject to design requirements
Quality Support	Quality inspection and technical documentation

Drawing confirmation:

Enclosure dimensions, openings, flange interfaces, materials, welding and inspection requirements are confirmed against customer drawings and technical specifications.

Workshop Fabrication & Real On-Site Gallery

High-Voltage Tank Welding, Precision CNC & Staging Documentation

Authentic manufacturing photography documenting EONOVA GIS welded tank assembly, 5-axis CNC flange milling, internal weld seam smoothing, and sealed packaging.

5 On-Site Photos

PLATE ROLLING

CNC Heavy Plate Rolling & Aluminum Shell Forming

High-precision 3-roller CNC bending roll regulating roundness and curvature for ultra-large diameter GIS enclosures.

SEAM WELDING

Automated Rotary TIG/MIG Welding for Shell Flanges

Multi-axis rotary positioner with inert gas shielding ensuring dense, slag-free, full-penetration circumferential welds.

CNC MILLING

Heavy CNC Horizontal Boring & Milling for Branch Flanges

Floor-type 5-axis CNC horizontal boring machine precision-milling multi-port flange faces and O-ring grooves to IT6 tolerance.

PIPE-END TURNING

Heavy CNC Lathe Turning of Pipe-End Flanges & Sealing Faces

Heavy-duty CNC lathe turning flange spigots and sealing surfaces with Ra 0.8 roughness for extreme vacuum gas-tightness.

NDT RADIOGRAPHY

Digital X-Ray Radiography (DR) Non-Destructive Weld Inspection

Agree radiographic inspection coverage, record retention and acceptance criteria for pressure-bearing welds.

Drawing & Technical Review

Request Quotation for GIS Welded Enclosures (GIS Fabricated Tank)

Prepare your enclosure drawings and technical specifications so the configuration, manufacturing approach and quotation can be confirmed.

GIS Welded Enclosures (GIS Fabricated Tank): FAQ

What voltage and current range does the GIS Welded Enclosures (GIS Fabricated Tank) cover?: Catalogue voltage range: 72.5–800 kV; current range: Project-specific. Confirm the rating of the specific model and drawing.
What insulation or construction is used?: Materials according to design requirements.
Which standards are referenced?: Catalogue standard reference: Customer drawings & technical specifications. Request type-test evidence for the specific model.
Which applications is it used in?: GIS & GCB Gas-Insulated Switchgear.