What Is a PPH 135° Elbow?
A PPH (Polypropylene Homopolymer) 135° elbow is a specialized pipe fitting designed to create a 135-degree directional change in industrial piping systems. This unique angle provides a gentler turn than standard 90° elbows, reducing flow resistance and pressure drop in chemical, water treatment, and industrial applications.
Key Features
✔ Chemical-resistant – Handles acids, alkalis, and aggressive solvents
✔ High-temperature tolerance – Suitable for fluids up to 95°C (203°F)
✔ Smooth bore design – Minimizes turbulence and pressure loss
✔ Durable & lightweight – Long-lasting performance with easy handling
Types of PPH 135° Elbows
1. Socket (Solvent-Weld) 135° Elbow
- Permanent connection using PPH solvent cement
- Leak-proof seal for high-pressure systems
- Ideal for: Chemical processing, wastewater treatment
2. Threaded 135° Elbow
- Male or female threaded ends
- Removable for maintenance
- Ideal for: Modular piping systems
3. Flanged 135° Elbow
- Bolt-on connection for heavy-duty use
- High-pressure rating (up to 10 bar)
- Ideal for: Industrial plants, large-scale fluid transfer
Applications
- Chemical plants – Resistant to corrosive fluids
- Water treatment systems – Smooth flow transition
- HVAC & industrial piping – Reduces turbulence
- Semiconductor manufacturing – Ultra-clean fluid handling
Installation Guide
- Cut pipe square & deburr edges
- Apply PPH primer & cement (for socket type)
- Align carefully at 135° angle
- Hold for 30 sec to set
- Cure 24 hrs before pressure testing
Why Choose 135° Over 90°?
✔ Lower pressure drop – Better flow efficiency
✔ Reduced turbulence – Less wear on pipes
✔ Space optimization – Fits tight layouts
Conclusion
PPH 135° elbows provide optimal flow control in demanding industrial systems where gentle directional changes are needed. Their chemical resistance and durability make them ideal for harsh environments.
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