Engineered for Durability and Zero Leakage
Unlike conventional manholes that suffer from cracking, joint leakage, and chemical attack, our fiberglass sewer manhole features a monolithic, joint-free structure. This design effectively eliminates infiltration and exfiltration, helping municipalities achieve a true zero-leakage sewer network. The inherent corrosion resistance of fiberglass ensures a long service life-even in aggressive sewage environments-significantly reducing lifecycle maintenance costs.
Lightweight Installation
Weighting up to 80% less than concrete equivalents, our fiberglass sewer manhole can be installed quickly using lighter equipment. Prefabricated inlet and outlet connections minimize on-site cutting and fitting, accelerating project timelines and lowering overall installation expenses.
Superior Hydraulic Performance
The smooth internal surface of a fiberglass sewer manhole reduces friction loss and minimizes sediment buildup. This improves flow efficiency, reduces the risk of blockages, and lowers pumping energy requirements-making it an ideal choice for modern, high-performance sewer systems.
Case Study: Zhongxing 1st Road Municipal EPC Project, Ningbo Hangzhou Bay New Zone
Project Name: Zhongxing 1st Road Municipal EPC Project, Hangzhou Bay New Zone, Ningbo
Project Scale: Approx. 8 km of pipelines (DN300 – DN1400, PN0.1, SN10000) and fiberglass sewer manholes
Pipe Type: Municipal Sewage Pipes
Project Overview: This project is a key east-west sub-arterial road linking the Business New City and the Smart Industrial Zone. Due to the complex requirements of mixed stormwater and sewage systems, a wide variety of pipe specifications were needed. We supplied GRP mortar pipes and monolithic fiberglass sewer manholes, providing a robust and corrosion-resistant infrastructure solution.
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