Large-Diameter GFRP Desalination Water Pipe conveys seawater, treated water and compatible brine in desalination plants and water treatment facilities. Glass fiber reinforcement provides structural strength, while the thermosetting resin matrix offers corrosion resistance when selected for the operating medium.
Pipe diameter, pressure rating, ring stiffness, resin system and joint configuration are specified according to hydraulic calculations, operating conditions and installation requirements. Custom dimensions and configurations can be evaluated against project drawings and confirmed manufacturing capabilities.
The resin matrix and inner corrosion barrier can be selected for chloride-rich water and compatible treatment chemicals, subject to chemical concentration and operating temperature.
Fiber reinforcement and laminate thickness are specified according to design pressure, pipe diameter and mechanical loading requirements.
A smooth internal surface helps reduce friction losses. Actual hydraulic performance depends on internal diameter, flow velocity and pipeline layout.
The relatively low weight of GFRP can simplify transportation, lifting and installation planning for large-diameter pipelines.
Transfers seawater from intake facilities to screening and pretreatment systems. Material selection accounts for salinity, temperature and chemical exposure.
Connects filtration units, pumping stations and process-water lines according to the required pressure rating and operating conditions.
Conveys treated water to storage facilities and distribution pipelines. Material selection should meet applicable water quality requirements.
Transports concentrated saline water where the resin system, corrosion barrier and pipe construction are suitable for the specified brine composition and temperature.
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65 to 1500 mm |
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5 to 18 mm |
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2.5 MPa |
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-45℃ to 100℃ |
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SN2500 to SN10000 Pa |
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6 to 12 meters |
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Glass fiber forms the structural reinforcement. Fiber arrangement and laminate thickness are determined by the required mechanical performance and design conditions.
The resin binds the reinforcement and contributes to chemical resistance. Selection depends on salinity, temperature, chemical concentration and exposure conditions.
The inner layer protects the structural laminate from the conveyed medium. Its composition and thickness are specified according to the service environment.
The structural laminate carries design loads, while the outer layer provides surface protection appropriate to the installation environment.
Confirm operating pressure, maximum design pressure, surge conditions and vacuum requirements where applicable. The pipe and joints must meet the specified design conditions.
Determine the required internal diameter from flow rate, allowable velocity and hydraulic calculations. Account for wall thickness when calculating flow area.
For buried pipelines, specify the required stiffness class according to burial depth, soil conditions, groundwater level, traffic loads and installation design.
Provide the medium composition, salinity, temperature and treatment chemicals. Concentrated brine and cleaning solutions require specific material compatibility checks.
Diameter, wall thickness and pipe length can be evaluated against confirmed production capabilities and approved engineering drawings.
Resin systems and corrosion-barrier construction can be specified according to the conveyed medium and operating conditions.
Flanges, elbows, tees, reducers and other compatible components can be evaluated against the required pipeline layout.
Dimensional schedules, connection details and technical specifications can be reviewed before production approval to establish manufacturing requirements.
Socket, sleeve, flanged or laminated joints may be considered according to pipe diameter, design pressure and installation conditions. Availability depends on the selected configuration.
Support spacing, anchor points, allowable deflection and connection loads must follow the approved installation design.
Use suitable lifting slings and stable support points. Protect pipe surfaces and joint ends from impact, concentrated loads and handling damage.
Confirm bedding, trench preparation, backfill requirements, connection access and inspection procedures before installation.
Verify diameter, wall thickness, pipe length and connection dimensions against approved drawings and specified tolerances.
Define material identification and production records in the project quality plan where traceability is required.
Visual inspection, dimensional checks and specified mechanical or pressure tests should follow the approved product specification and inspection plan.
Applicable standards, certificates and test reports must correspond to the actual product and manufacturing scope. Required documentation should be confirmed before production.
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