Main structre of FRP/GRP pipes with sand filler:
1. Outer protective layer
2. Fiberglass outer winding layer
3. Sand inclusion layer
4. Fiberglass inner winding layer
5. Liner layer

"ZHONGTAI" brand GRP pipes with sand filler are suitable for water supply, water storage, rainwater transfer, seawater desalination, sewage treatment, farmland irrigation, etc. Nanjing Zhongtai FRP Pipes Co., Ltd. Also have own sewage plant. "ZHONGTAI" GRP pipes with sand filler have been used in many big projects in China.

Diameter: DN100-4000mm
Pressure: PN0.1-2.5MPa
Rigidity level: SN1250-10000 N/m²
Length: 6m, 12m.