Real stack of large GRP/glass-reinforced plastic pipes in a warehouse, with circular cut ends and fibreglass texture visible. — Supplier product image
Real GRP pipe in a manufacturer’s warehouse. The additional photographs show factory and installation examples; they do not depict KEPCO premises or projects.
Open image at full size ↗ · Image source

Factory pipe example — Supplier product image
Real GRP pipe in a manufacturer’s warehouse. The additional photographs show factory and installation examples; they do not depict KEPCO premises or projects.
Open image at full size ↗ · Image source

Piping materials · Glass-reinforced plastic

Glass-reinforced plastic (GRP) pipe

Composite pipe made from glass reinforcement and a resin system, selected to suit the liquid, installation and project specification.

Reference model / family: RPC Flowtite GRP pipe family reference

Common uses

Specified water, wastewater and industrial process pipework, including specialist replacement requirements.

Specifications & documents Add to quote

Add this item to the rest of your list. KEPCO coordinates the supplier enquiries and confirms availability and lead time with your quote.

Product information

Specifications & documents

Download product guide (PDF)

RPC Flowtite GRP pipe family reference

Material: Glass-reinforced plastic (GRP)
Manufacture: Continuous advancing mandrel process
Nominal diameter range: DN300–DN3000
Pressure-class range: PN1–PN35; maximum depends on diameter
Stiffness classes: SN5000, SN10000 and SN20000
Standard lengths: 3–13 m
Longer length option: Up to 18 m depending on design
Joint system: REKA rubber-ring coupling
Product standards: AS 3571.1, AS 3571.2 and ISO 23856

RPC Flowtite GRP pipe family reference
Nominal size	Outside diameter — mm	Maximum PN in published table
DN300	345	35
DN600	667	35
DN900	923	35
DN1400	1433	25
DN1800	1841	20
DN2000	2045	16
DN2400	2453	10
DN3000	3065	6

Download this size table (CSV)

Reference model/family only. These published dimensions and limits do not apply to every product in this category; confirm the supplied configuration with the quotation.

Technical references

RPC Pipe Systems — Flowtite design and range ↗Manufacturer / supplier reference · Confirm document region for the quoted product · Current revision confirmed with quotation

Choose the right variant

Details to confirm

Diameter, length and quantity
Medium, pressure, temperature and installation conditions
Joint dimensions, stiffness and project specification

Selection note

Send the existing pipe specification or drawing. GRP systems with the same nominal diameter can have different joints and wall constructions.

These details describe the product family. The offered item’s dimensions, materials, operating limits and required approvals are confirmed before you order.

Add to your quote list

Include what you know. Leave anything uncertain blank and we’ll help clarify it.

QuantityUnitCut length per piece (optional)

Dimensional standard / seriesCopy the full standard and series; similar nominal sizes can have different dimensions.Nominal size / designationCopy the marked DN, NPS, thread or model size; nominal size is not a measured diameter.Length per item — mSpecify each cut length or coil length, then use Quantity for the number required.

More specifications (optional)

Open these fields if you have measurements, a matching reference or a site specification.

Outside diameter — mmMeasure across the outside of the pipe or tube.Wall thickness — mmState whether measured or taken from the marked pipe specification.Bore / inside diameter — mmMeasure the clear opening; do not substitute the nominal size.Schedule / SDR / pipe classCopy the pipe marking, including any S suffix; schedule, SDR and pressure class are different systems.End connectionsSpecify both ends and any male/female, thread, socket, flange or coupling details.Material / gradeInclude the grade, coating or finish where known.

Enter OD and wall thickness, where known, to calculate an indicative bore. Dimensions are in millimetres.

Additional requirementsView quote list

Have an existing part to match?

Send a photo, part number or description with your list. We’ll help identify it and follow up suitable suppliers.

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