Generators
Power Generators are the heart of the power grid pumping electricity throughout the transmission and distribution system. The Gund Company is a world leader in manufacturing electrical insulation kits for the manufacture and repair of power generators.
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Order TGC's Generator Insulation Handbook today
Our years of application experience coupled with our materials knowledge allows The Gund Company to serve OEMs, repair companies, and utilities with an unparalleled level of service. Our experience includes:
- Fossil Fueled Power Generators

- Hydro Power Generators
- Nuclear Fueled Power Generators
- Generator Sets
In generator repair situations, the most commonly required spare parts include insulation components. TGC can supply individual components or complete repair kits for generator repair. As an independent source for insulation components, TGC has the ability to supply insulation materials for all makes, models, and manufacturers of power generators including:
- General Electric
- Westinghouse
- Allis Chalmers
- Siemens
- Asea Brown Boveri

- Alstom
- Brush
- Electric Machinery
- Hitachi
- Mitsubishi
- Toshiba
The Gund Company can produce power generator spare parts from OEM drawings, or we can produce parts based on samples provided from the actual machine being repaired. Either way, our shipment lead-times are the fastest in the industry. TGC supplies the following components:
Stator Insulation Products
- Tapered and Flat Wedges

- Filler Materials
- Top & Side Ripple Spring
- Treated and Untreated Felt
- Tie Straps
- Axial Supports
- Binding Bands
- Fiberglass Caps
- End Winding Supports
- Epoxies
- Potting Compounds
- Paints
Field Insulation Products
- Glass Epoxy / Nomex Hard Slot Cells
- Nomex Soft Slot Cells
- Sub-Slot Insulation
- Turn to Turn Insulation

- Coil Blocking
- Retaining Ring Insulation
- Main Lead Insulation
- Washers & Bushings
- Creepage Blocks
- Temporary Wood Blocking
- Paints, Epoxies, & Tapes
- Metal Rotor Wedges
Hydro Rotor Pole Insulation Products
- Pole Collars
- Turn to Turn Insulation
- Side Pack
- Groundwall Insulation
- Rotor Pole Ramps
- End Blocks
- B-Stage Felt Pieces
- Spacer Blocks
- Paints, Epoxies, & Tapes

Misc. Generator Insulation Components
- Bearing Insulation
- Hydrogen Seal Insulation
- Bushing Box Insulation
- Bolt Insulators
- End Winding Support Insulation
- Bushing Insulation
The Gund Company has created our Generator Insulation Products Handbook detailing the application of insulation in power generator equipment. It contains application information, material options, and technical data sheets on each material.

