Thermoplastic Elbow
Short-Radius 90° and 45° Elbows with Socket-Weld Ends for Compact Directional Changes
DN 20 – DN 200
Size Range
Socket / Butt Weld
Connection
PP / PPH / PVDF
Material
PN 6 / 10 / 16
Pressure
Injection-Moulded Elbows for Thermoplastic Pipelines
UNP’s Thermoplastic Elbow is an injection-moulded short-radius fitting for compact 90° or 45° directional changes. Smaller footprint than a long-radius bend — preferred where space is tight or where pressure drop is not a primary concern.
Socket-weld ends are standard for heat-fusion assembly with our matching pipe and couplings. The thicker wall at the inside corner of the bend ensures the elbow matches the pipe’s pressure rating despite the directional change.
Available in PP, PPH, PVDF, and ISO.PP — matching the pipe material in your line. For high-flow or abrasive-service applications, consider our long-radius Bends instead.
Why Choose This Fitting
- ✓Short-radius 90° or 45° bend
- ✓Socket-weld ends (butt weld option)
- ✓Injection moulded (uniform wall)
- ✓Compact footprint vs long-radius bends
- ✓PP / PPH / PVDF / ISO.PP materials
Dimensions, Materials, Testing
Elbow Dimensions
All dimensions in millimeters unless noted.
| Pipe Size | OD (mm) | F (Face-to-Centre, mm) | Bend Angle | Wall Thk (mm) |
|---|---|---|---|---|
| 20 | 20 | 30 | 45° / 90° | 2.3 |
| 25 | 25 | 35 | 45° / 90° | 2.9 |
| 32 | 32 | 42 | 45° / 90° | 3.7 |
| 40 | 40 | 50 | 45° / 90° | 4.6 |
| 50 | 50 | 60 | 45° / 90° | 5.8 |
| 63 | 63 | 75 | 45° / 90° | 6.8 |
| 75 | 75 | 85 | 45° / 90° | 8.2 |
| 90 | 90 | 100 | 45° / 90° | 9.0 |
| 110 | 110 | 115 | 45° / 90° | 10.0 |
| 125 | 125 | 130 | 45° / 90° | 11.4 |
| 160 | 160 | 165 | 45° / 90° | 14.6 |
| 200 | 200 | 200 | 45° / 90° | 18.2 |
Materials of Construction
| Material | Description |
|---|---|
| PP (Polypropylene) | General-purpose, low-cost option for mildly corrosive media at moderate temperatures. |
| PPH (Polypropylene Homopolymer) | Higher mechanical strength than PP — better for pressure service. |
| PVDF (Polyvinylidene Fluoride) | Superior abrasion resistance and high mechanical strength. |
| ISO.PP (Isotactic Polypropylene) | Improved temperature and chemical resistance vs standard PP. |
Connection Types Available
| Connection | Description |
|---|---|
| Socket Weld | Heat-fused socket joints for permanent, leak-tight assemblies. |
| Butt Weld | End-to-end heated fusion for in-line pipe sections. |
| Threaded | Removable threaded fittings for serviceable connections. |
| Flanged | Bolted flange joints for easy disassembly and inspection. |
Testing & Quality
| Test | Standard / Result |
|---|---|
| Hydrostatic Test | BS EN 12266-1 / DIN 8077 / DIN 8078 |
| Visual / Dimensional Inspection | 100% Sampled |
| Pressure Rating | PN 6 / PN 10 / PN 16 (depending on size & material) |
| Temperature Range | 0°C to 80°C (PP) / 0°C to 95°C (PPH) / -40°C to 140°C (PVDF) |
| Certifications | ISO 9001:2015 |
Other Thermoplastic Pipe & Fittings
Thermoplastic Pipes
THERMOPLASTIC PIPE & FITTINGS
Thermoplastic Concentric Reducer
THERMOPLASTIC PIPE & FITTINGS
Thermoplastic Couplings
THERMOPLASTIC PIPE & FITTINGS
Thermoplastic Bends
THERMOPLASTIC PIPE & FITTINGS
Order Your Thermoplastic Elbow
Tell us your pipe size, material, and bend angle — we’ll supply the right elbow for your line.