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Substation
PUPI® fiberglass beams and switch bases are ideal for use in substations and transformer banks. PUPI® fiberglass products are proven to be a superior material for supporting electrical conductors, switches, and other electrical equipment. Primary advantages over steel or wood:
- Engineered material delivers consistent performance.
- Excellent electrical insulating properties reduce the risk of shorts and outages.
- High strength-to-weight ratio for light weight assemblies and easy handling.
- Maintenance-free construction. PUPI® products never shrink, rot or rust.
- PUPI® order leadtimes are often much shorter than other suppliers.
Not all fiberglass products are created equal.
Unique PUPI® product features make us the leading brand of fiberglass crossarms and braces in the electric power industry. These same features make for superior substation products:
- SunGUARD® UV Resistant coating is thermally-bonded to all PUPI® products to resist the damaging effects of sun and weather – for at least 60 years in any environment! SunGUARD UV® resistant coating eliminates the risk of blooming and other surface damage.
- TorqueGUARD™ hole reinforcing bushings increase bolt hole strength and prevent damage due to over-torqued bolts.
- Since 1990, PUPI has supplied fiberglass crossarms to the electric power utilities worldwide. GEOTEK, the producer of PUPI® crossarms, has over 40 years of experience in the pultrusion of fiberglass structures for outdoor applications.
Designed to fit your needs.
Our engineering team is experienced and ready to design PUPI® solutions for your substation or transformer bank needs. Configurations are available to support nearly any application:
- Crossarms, switch bases, braces, equipment mounts
- Virtually any length or drill pattern is possible
- Numerous profile dimensions are available, including:
- 2″ X 4″
- 3-5/8″ X 4-5/8″ standard and heavy duty
- 3″ X 4″
- 4″ X 4″ standard and extra heavy duty
- 4″ X 6″ heavy duty
- 5″ X 5″
- Factory pre-drilled, or easily drilled on site
- Custom-designed attachment brackets are available
Substation
| PUPI® Pultruded Fiberglass Beam Properties: | ||
|---|---|---|
| MECHANICAL | ||
| Tensile Strength: | ASTM D638 | 85,000 psi |
| Tensile Modulus: | ASTM D638 | 5,500,000 psi |
| Flexural Strength: | ASTM D790 | 95,000 psi |
| Flexural Modulus: | ASTM D790 | 3,800,000 psi |
| Compressive Strength: | ASTM D695 | 60,000 psi |
| DIELECTRIC STRENGTH | ||
| Perpendicular (1/4" thick) | ASTM D149 | 200 volts per mil |
| Parallel: | ASTM D149 | 167 volts per mil |
| OTHER | ||
| Specific Gravity: | ASTM D792 | 1.86 |
| Water Absorption: | ASTM D570 | <1.0% max |
| Heat Distortion Temperature: | ASTM D648 | >180C |
| Flammability: | ASTM D636 | Nonburning |
| Color: | -- | Grey or Brown |
Request more information from one of our PUPI® sales experts
At PUPI®, there’s no job too small or too big. We welcome the opportunity to hear what you’re looking for and help you find the right solution. Please enter your information below and one of our crossarm experts will contact you within two business days. Thank you for your interest in PUPI!
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