Galvanised steel grating Stephuit FH

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Product information
Stephuit FH flame-retardant
Flame-retardant covering panel designed for transformer trays. Stephuit FH is tested and certified by the Leipzig Institute for Materials Research and Testing (MFPA) for effectiveness in mineral oil fires, making it suitable for installations with elevated fire risk.

Installation system
The STEPHUIT-FH features a special plug connection that ensures fast and safe assembly and disassembly on site.

Inspection flap
Service flap with hinge, available in sizes 570x570 mm, 800x800 mm and 1,000x1,000 mm.

Inspection opening
Removable service opening without hinge, available in sizes 570x570 mm, 800x800 mm and 1,000x1,000 mm.

Earthing
Earthing bracket or earthing nut, either welded on top or welded from below, options available per project.

All advantages at a glance

• Fast assembly & disassembly via plug-in system
• Reduced transformer downtime and switch-off times
• Faster maintenance of containment trays (e.g. for cleaning)
• Inspection flaps/openings can be integrated
• Customer-specific adaptations possible
• High flame-retardant performance and efficient drainage

Technical data
Material / Sheet thickness / Anti-slip class
Hot-dip galvanized steel (DD11) / 2.0 / 2.5 / 3.0 mm / R11
Preferred widths: 150 / 180 / 240 / 300 mm
Preferred heights: 40 / 50 / 75 / 100 mm
Lengths: up to 2,800 mm
Special sizes or materials available on request.

Characteristics / technical specifications

• Model: Stephuit FH
• Certification: MFPA (Leipzig) tested for mineral oil fire effectiveness
• Application: transformer tray covering for installations at fire risk
• Installation: special plug connection for quick assembly/disassembly
• Inspection flap (with hinge): 570x570 mm, 800x800 mm, 1,000x1,000 mm
• Inspection opening (removable, without hinge): 570x570 mm, 800x800 mm, 1,000x1,000 mm
• Earthing: earthing bracket / earthing nut, welded on or bottom welded
• Material: hot-dip galvanized steel (DD11)
• Sheet thickness options: 2.0 mm, 2.5 mm, 3.0 mm
• Anti-slip class: R11
• Preferred widths (mm): 150, 180, 240, 300
• Preferred heights (mm): 40, 50, 75, 100
• Maximum length: up to 2,800 mm