Manufacturing solutions built for grid infrastructure.
Components for overhead transmission systems
Towers, foundations and line hardware for new lines, upgrades and replacements.
Tower & Pole Structures
- Lattice towers & tubular monopoles
- Cross-arms, bracing & body extensions
- Peak extensions & special tower sections
- Tower-mounted equipment brackets
Foundations & Stub Assemblies
- Stub angles & stub-setting templates
- Anchor cages & foundation bolt sets
- Base plates & grillage assemblies
- Embedded plates & pile-interface steel
Insulator & String Hardware
- Suspension and tension yokes
- Clevises, shackles & socket fittings
- Arcing horns & corona fittings
- Insulator-string attachment hardware
Conductor & Earthwire Hardware
- Suspension & strain clamps
- Spacers, spacer-dampers & vibration dampers
- Jumper terminals & compression fittings
- Earthwire suspension & tension fittings
OPGW & Groundwire Accessories
- OPGW downlead clamps & guides
- Joint-box mounting brackets
- Grounding leads & bonding clamps
- Cable storage & slack-loop brackets
Tower Access & Safety
- Step bolts & climbing attachments
- Anti-climbing devices & barriers
- Fall-arrest rail brackets
- Circuit, phase & danger-sign plates
Fabricated components for open-air substations
Equipment steelwork, bus supports and yard assemblies for AIS switchyards.
Bus Gantries & Rigid Bus Supports
- Main bus gantries & equipment portals
- Rigid-bus support columns & insulator stools
- Bus-section & transfer-bus support steel
- Expansion-joint and phase-spacing supports
Transformer & Reactor Structures
- Transformer base rails & jacking pads
- Shunt-reactor support frames
- Neutral-bushing and cable-box access steel
- Oil-pit cover frames & embedded interface steel
Switchgear Equipment Supports
- Circuit-breaker support frames
- CT / PT / CVT support structures
- Isolator & disconnector supports
- Surge-arrester support structures
Flexible Bus & Jumper Assemblies
- Flexible bus jumpers & terminal palms
- Droppers, tee-connectors & expansion connectors
- Equipment terminal connectors
- Phase-spacing and jumper support hardware
Outdoor Marshalling & Cable Interfaces
- Marshalling-kiosk base frames & plinths
- Cable-trench edge angles & support steel
- Outdoor tray bridges & crossover supports
- Junction-box stands & sunshade frames
Substation Perimeter & Access Steel
- Perimeter fencing & equipment gates
- Equipment access stairs & handrails
- Transformer / reactor maintenance platforms
- Lighting poles & security-camera mounts
Precision steel for compact GIS installations
Indoor steel for GIS bays, bus ducts, control panels, bonding and maintenance.
GIS Hall Interface Steel
- Mezzanine and service-deck steel
- Equipment-zone structural frames
- Wall / floor interface frames
- GIS hall embedded channels & inserts
GIS Bay Base & Alignment Frames
- GIS bay base frames
- Bay alignment rails & shim packs
- Expansion-joint & interface frames
- Factory-assembled mounting skids
GIB & Bus-Duct Support Systems
- GIB / bus-duct support frames
- Wall / ceiling GIB brackets
- Expansion-joint support stools
- Wall-penetration sleeves & interface frames
Local Control & Panel Mounting
- LCC mounting frames & base channels
- Relay-panel support channels
- Local terminal-box stands
- Battery / charger rack frames
Indoor Bonding & EMC Hardware
- Main earth-bar support brackets
- Flexible enclosure bonding links
- Cable-screen bonding plates
- EMC bonding studs & grounding bosses
GIS Handling & Maintenance Frames
- Removable GIS service platforms
- Lifting-beam support frames
- Breaker-module handling trolleys
- Temporary maintenance barriers & guards
Interface packages that connect assets to the grid
Hardware for the point where plants, storage and factories meet the utility grid.
Line Entry & Dead-End Interfaces
- Dead-end portals at grid-entry bays
- Terminal monopoles & compact entry structures
- Overhead-to-cable transition gantries
- Line-angle / phase-transfer interface steel
HV Cable Termination Structures
- Sealing-end support frames
- Cable-cleat support frames
- Link-box mounting frames
- Sheath-voltage-limiter support brackets
Metering & Grid-Compliance Supports
- Revenue-metering CT / VT support steel
- Metering-panel and kiosk base frames
- Disturbance-recorder cabinet stands
- Power-quality equipment mounting frames
Protection & Interface Kiosks
- Protection-panel kiosk structures
- Teleprotection / communication cabinet frames
- Grid-interface relay-rack supports
- Weatherproof control-kiosk bases
Generation & Storage Interconnect Skids
- Metering & protection skids
- Neutral-grounding resistor skids
- Auxiliary AC / DC distribution skids
- Interface transformer accessory skids
Boundary & Demarcation Structures
- Utility / customer demarcation frames
- Metering-compound structural frames
- Cable-entry portal assemblies
- Boundary signage & equipment-label frames
Engineered solutions for non-standard grid needs
Retrofits, replacements, prototypes and site-constrained builds, made to your drawings.
Brownfield Retrofit Kits
- Adapter plates & bolt-pattern converters
- Split-frame retrofit assemblies
- Extension brackets for existing steelwork
- Field-fit transition pieces
Reverse-Engineered Replacements
- Obsolete brackets recreated from samples
- Legacy base frames & support stools
- Replacement doors, covers & guards
- Matching hardware for legacy equipment
Prototype & First-Off Builds
- First-article fabricated components
- Trial-fit assemblies & mock-ups
- Production-intent prototype enclosures
- DFM-led revision builds
Modular Preassembly Packages
- Preassembled bolt-up modules
- Tagged subassemblies for site erection
- Transport frames & lifting fixtures
- Integrated structural / enclosure packs
Site-Constraint Solutions
- Split sections for restricted access
- Knock-down frames for on-site assembly
- Low-headroom lifting solutions
- Space-constrained custom support kits
Shutdown & Critical Spares
- Fast-track maintenance replacements
- Outage-specific spare assemblies
- Damage-recovery parts
- Pre-kitted critical spares
Need something that isn’t listed? We also make custom grid parts and assemblies to your drawings.
- 25–765 kV: Grid Voltage Classes
- AIS + GIS: Substation Systems
- 300k MT: Annual Fabrication Capacity
What ManuFx brings to every grid-infrastructure project
- Package-level delivery. Tower steel, gantries, hardware and enclosures under one execution plan.
- Galvanizing-led fabrication. Suppliers equipped for long steelwork, heavy sections and hot-dip galvanizing.
- Drawing & revision control. Every part traced through drawings, BOM revisions, inspection and dispatch records.
- Project logistics. Bundling, tagging and dispatch planned for long, heavy and site-sequenced parts.
Certifications and standards
- IS 802, Bureau of Indian Standards IS 802
- IS 4923, Bureau of Indian Standards IS 4923
- IS 7215, Bureau of Indian Standards IS 7215
- ISO 9001 ISO 9001
- ISO 14001 ISO 14001
- ISO 45001 ISO 45001
- IEC 61936 IEC 61936
- American Institute of Steel Construction
- ASTM International
Why transmission & substation teams choose ManuFx
One partner for grid components, from drawing to delivery.
- Breadth & Depth. Line, substation and interconnection steel and hardware from one partner
- Drawing to Dispatch. Engineering review, fabrication, galvanizing and inspection in one workflow
- Built for Site Schedules. Tagged, bundled and dispatched in the order your site needs
Applications across the power grid
- New Transmission Corridors
- Renewable Power Evacuation
- HV Cable Transition Stations
- Data Center Grid Connections
- Grid Interconnections
- Substation Expansions
Processes, materials and finishes
Materials: E250 Structural Steel, E350 Structural Steel, S355 Structural Steel, A36 Carbon Steel, Structural Hollow Sections, High-Strength Fasteners, Anchor Bolts & Foundation Steel, Hot-Dip Galvanized Steel, Copper Busbar, EC-Grade Aluminium, 304 Stainless Steel, 316L Stainless Steel, Zinc Metallizing, Duplex Coating, Epoxy / PU Protective Coatings.
Processes: Laser / Plasma Cutting, CNC Drilling & Punching, Plate & Section Bending, Rolling & Forming, MIG / MAG Welding, SMAW Welding, Robotic Welding, Machining & Facing, Fit-up & Structural Assembly, Busbar Cutting & Bending, Copper / Aluminium Fabrication, Threading & Fastener Processing, Dimensional Inspection, NDT & Weld Inspection, Trial Assembly.
Finishes: Hot-Dip Galvanizing, Duplex Coating System, Zinc Metallizing, Epoxy Primer, PU Topcoat, Powder Coating, Shot Blasting, Grit Blasting, Pickling & Passivation, Anodizing, Zinc Plating, Protective Oil / Rust Preventive, Coating Thickness Inspection, Surface Preparation to Sa 2.5, Project-Specified Paint Systems.
Other industries we serve
Planning a grid project?
Send your drawings and requirements. We’ll quote, manufacture and deliver to your specification.