AvisaParseh GRP Manholes
GRP manholes made from unsaturated polyester resin reinforced by glass fibers form an integral part of buried gravity sewage and wastewater networks, allowing surface access to the system for pipeline inspection and maintenance. The technically advanced materials and process used in AvisaParseh GRP manholes result in highly durable, corrosion resistant and maintenance free structure that is fast and easy to install.
Your Smart Choice for
- Cleaning and Flushing Pipeline
- Sewage System Ventilation
- Inspection and Maintenance
- pumping Station Chamber
- Fluid Flow directional Change
Why Should You Use GRP Manholes?
Designers and pipeline contractors prefer GRP manhole structure over manholes traditionally made of concrete, brick and plastic manholes because of :
- Superior structural stability
- Low weight
- Ease and cost effective Installation
- Long life Cycle
- No need for maintance
- Corrosion Resistance
- No infiltration or exfiltration of fluids
- Flexibility in design
- Standard diameter of 3000 mm . larger diameters can be produced based on project requirements)
Applicable Standards
- ASTM D3753 : Standard Specification for Fiberglass Manholes and WetWells
- EN 15383: Plastic Piping Systems for Drainage and Sewage . Glass Reinforced Thermosetting Plastics (GRP based on UP Polyester Resin – Manholes and Inspection Chambers
- EN 14364: Plastic Piping Systems for Drainage and Sewage with or without pressure – Glass Reinforced Thermosetting Plastics (GRP) Based on Unsaturated Polyester Resin – Specification for Pipes, fittings and Joints
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