UPVC Union
The UPVC Union is a versatile and detachable pipe fitting designed to connect two UPVC pipes while allowing easy disassembly for maintenance, repairs, or system modifications. Constructed from high-quality Unplasticized Polyvinyl Chloride (UPVC), it ensures reliable, leak-proof performance and is ideal for use in water treatment, irrigation, chemical processing, and industrial piping systems.
UPVC Union
Key Feature of UPVC Union
- Detachable Connection: Allows quick assembly and disassembly without cutting the pipeline.
- Leak-Proof Seal: Equipped with O-ring or gasket for secure sealing.
- High Chemical & Corrosion Resistance: Suitable for aggressive and corrosive fluids.
- Strong and Durable: Maintains structural integrity under pressure.
- Simple Installation: Solvent weld socket ends for secure fitment.
- Maintenance Friendly: Facilitates easy system inspection and servicing.
Technical Details of UPVC Union
| Parameter | Specification |
|---|---|
| Material | UPVC (Unplasticized Polyvinyl Chloride) |
| Type | Union (Socket Type) |
| Size Range | ½” to 4” (15 mm to 110 mm) |
| Connection Type | Solvent Weld Socket Ends |
| Sealing Element | EPDM or FPM O-Ring |
| Operating Pressure | Up to 10 bar (150 psi) |
| Temperature Range | 0°C to 60°C (32°F to 140°F) |
| Color | Typically Grey |
| Standards Compliance | ISO, ASTM, DIN |
Technical Measurement of UPVC Union
| Size (Inch) | ID (mm) | OD (mm) | WT (mm) | SL (mm) | L (mm) | H (mm) |
|---|---|---|---|---|---|---|
| ½ | 21.64 | 29.10 | 3.73 | 22.23 | 46 | 62 |
| ¾ | 26.97 | 34.79 | 3.91 | 25.40 | 53 | 65 |
| 1 | 33.78 | 42.88 | 4.55 | 28.58 | 69 | 68 |
| 1¼ | 42.55 | 52.25 | 4.85 | 31.75 | 71 | 85 |
| 1½ | 48.72 | 58.88 | 5.08 | 34.93 | 95 | 85 |
| 2 | 60.78 | 71.86 | 5.54 | 38.10 | 115 | 94 |
| 2½ | 73.38 | 88.54 | 7.58 | 45.45 | 125.8 | 101.4 |
| 3 | 89.31 | 97.41 | 8.10 | 48.63 | 146.7 | 107 |
| 4 | 114.76 | 124.19 | 9.43 | 58.15 | 176.2 | 126.35 |
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ID – Inner Diameter
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OD – Outer Diameter
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WT – Wall Thickness
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SL – Socket Length
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L – Overall Length
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H – Hex Height (typically including nut for tightening)

Customization & Processing Options
Customizations Option Available for UPVC Union
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
