UPVC Eccentric Reducer Coupler
The UPVC Eccentric Reducer Coupler is a pipe fitting designed to connect pipes of different diameters while maintaining a consistent bottom or top level to prevent air accumulation or fluid pockets. Made from high-quality Unplasticized Polyvinyl Chloride (UPVC), this fitting is ideal for horizontal fluid flow applications in industrial, irrigation, and chemical processing systems where flow efficiency and precision alignment are essential.
UPVC Eccentric Reducer Coupler
- Offset Design: Maintains consistent flow level, ideal for horizontal piping to prevent air locking.
- Smooth Flow Transition: Minimizes turbulence and pressure drops when reducing pipe size.
- High Chemical Resistance: Suitable for aggressive and corrosive fluids.
- Strong and Lightweight: Offers high mechanical strength while being easy to handle and install.
- Leak-Free Connection: Compatible with solvent weld joints for secure sealing.
- Low Maintenance: Non-corrosive and resistant to scaling and deposits.
Technical Details of UPVC Eccentric Reducer Coupler
| Parameter | Specification |
|---|---|
| Material | UPVC (Unplasticized Polyvinyl Chloride) |
| Type | Eccentric Reducer Coupler |
| Size Range | 1″ × ¾” to 6″ × 4″ (25 mm × 20 mm to 160 mm × 110 mm) |
| Connection Type | Solvent Weld Socket Ends |
| Operating Pressure | Up to 10 bar (150 psi) |
| Temperature Range | 0°C to 60°C (32°F to 140°F) |
| Color | Typically Grey |
| Application Areas | Water Supply, Chemical Pipelines, Industrial Drainage |
| Standards Compliance | ASTM, ISO, DIN |
| Size (NB) | OD₁ (mm) | OD₂ (mm) | ID₁ (mm) | L (mm) | H (mm) |
|---|---|---|---|---|---|
| 1¼″ × 1″ | 42.16 | 33.40 | 35.0 | 90 | 13 |
| 1½″ × 1¼″ | 48.26 | 42.16 | 40.9 | 95 | 14 |
| 2″ × 1½″ | 60.33 | 48.26 | 52.5 | 100 | 16 |
| 2½″ × 2″ | 73.03 | 60.33 | 64.1 | 110 | 18 |
| 3″ × 2½″ | 88.90 | 73.03 | 77.9 | 120 | 20 |
| 4″ × 3″ | 114.30 | 88.90 | 100.8 | 140 | 24 |
| 6″ × 4″ | 168.28 | 114.30 | 152.2 | 160 | 30 |
| 8″ × 6″ | 219.08 | 168.28 | 202.7 | 180 | 35 |
| 10″ × 8″ | 273.05 | 219.08 | 254.5 | 200 | 42 |
-
OD₁ – Outer Diameter of Larger End
-
OD₂ – Outer Diameter of Smaller End
-
ID₁ – Inner Diameter of Larger End
-
L – Length of the Reducer
-
H – Height (or Body Height)

Customization & Processing Options
Customizations Option Available for UPVC Eccentric Reducer Coupler
At Petron Thermoplast, we offer customized PVDF fittings to meet your specific system requirements.
Customization options include:
- Tailor-made dimensions and wall thicknesses
- Custom-molded and machined PVDF fittings
- Pre-fabricated manifolds and assemblies
- Choice of connection type (butt fusion, socket fusion, or flanged)
- OEM branding or marking options
