Products

Catalog

Engineered fittings, not off-the-shelf plastic

Every item below is manufactured to order in glass-reinforced polyester (GRP) — choose resin system, pressure class and joint type to match your service conditions.

Elbows 30° – 90°

DN 25 – 2000 · segmented or mitered

Smooth-radius elbows (coudes) in any angle, hand lay-up or filament wound.

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Tees & Crosses

DN 50 – 2600 · equal & reducing

Reinforced branch connections (tés), saddle-mounted or one-piece molded.

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Reducers

Concentric & eccentric

Tapered transitions (réductions) between any two pipe sizes and wall classes.

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Flanges & Flanged Spools

PN 6 / 10 / 16 · ANSI 150

Manchettes bridées drilled to ISO, ANSI, BS or project-specific bolt patterns.

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Wall Passages & Saddles

Puddle flanges · custom saddles

Pass-mur wall penetrations, nozzles and saddle pieces cast or laminated to drawing.

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Couplings & Joints

Bell & spigot · butt-strap · adhesive

Field-proven GRP jointing systems for buried and above-ground lines.

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GRP Water Tanks

500 L – 100 000 L · above & below ground

GRP storage tanks and vessels in any size, laminated for potable, process and fire-fighting water.

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Laterals & Wyes

45° & 60° branches

Flow-optimized branch fittings for collectors and manifolds.

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Custom-Made Products

Built to drawings & samples

One-off fittings, covers, ducts and special pieces fabricated in GRP to your specifications.

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Anatomy

Inside an GRP laminate

An engineered laminate — not just plastic. Each layer is designed and documented against your service conditions.

UV outer coat Structural laminate Resin liner Smooth bore

Resin-rich corrosion liner
1–2 mm chemical barrier, matched to your medium — isophthalic, vinyl-ester or epoxy.
Structural laminate
Filament-wound glass roving and chopped strand carry the pressure and soil loads.
UV-protective outer coat
Pigmented topcoat shields the laminate from sunlight and weathering.
Smooth bore
Low roughness (Hazen-Williams C≈150) keeps pumping costs down for life.

Technical range

Standard envelope — and beyond it

The ranges below are our standard envelope. Larger diameters, higher pressures and non-standard geometries are engineered on request.

Parameter	Range	Notes
Nominal diameter	DN 50 – DN 2600	Larger sizes via segmented fittings
Pressure class	PN 1 – PN 40 (40 bar)	Gravity to high-pressure service
Stiffness class	SN 2500 – SN 20000	Per ISO 9969 for buried service
Temperature	−40 °C – +120 °C	Resin-dependent; vinyl-ester for hot service
Resin systems	Isophthalic · Vinyl-ester · Epoxy	Selected per chemical exposure table
Joint types	Bell & spigot · Butt & wrap · Adhesive · Flanged	Couplers, O-ring and laminated joints
Design standards	ISO 14692	Project specs accommodated on request

Need a datasheet, drawing review or budgetary price?

Request a quotation

Engineered fittings, not off-the-shelf plastic

Elbows 30° – 90°

Tees & Crosses

Reducers

Flanges & Flanged Spools

Wall Passages & Saddles

Couplings & Joints

GRP Water Tanks

Laterals & Wyes

Custom-Made Products

Inside an GRP laminate

Resin-rich corrosion liner

Structural laminate

UV-protective outer coat

Smooth bore

Standard envelope — and beyond it

Need corrosion-proof piping for your next project?