QT500-7 Cast Iron Manhole Step with GGG50 Material - 250mm to 357mm Length Options for Inspection Wells
Our QT500-7 cast iron manhole steps are engineered for inspection wells and manufactured from high-quality GGG50 ductile iron material. These steps feature secure riveted or welded construction with a unique anti-rotation design that prevents rung movement during use.
| Item | Length (mm) | Width (mm) |
|---|---|---|
| AMT-001 | 250 | 240 |
| AMT-002 | 277 | 227 |
| AMT-003 | 357 | 227 |
| AMT-004 | 160 | 205 |
| AMT-005 | 150 | 250 |
| AMT-006 | 150 | 250 |
| AMT-007 | 320 | 240 |
| AMT-008 | 300 | 196 |
| AMT-009 | 290 | 200 |
- Surface grooves and side protrusions for secure wall installation
- Anti-slip design ensures safe climbing for inspection personnel
- Modular construction enables economical long-distance transportation
- Quick measurement, assembly, and installation on the same day
- CE certified for quality and safety compliance
- Low maintenance - requires only occasional cleaning with pressure hose
- Fully customizable to meet specific project requirements
With 20 years of metal goods manufacturing experience, SND produces high-quality cast iron components using advanced techniques including sand casting, lost wax casting, lost foam casting, and precision machining. Our ISO9001-certified quality control system ensures consistent reliability through comprehensive inspections including spectrometer analysis, ultrasonic testing, magnetic inspection, permeability checks, and tensile/yield strength evaluations.
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