Introduction
A PVC pressure pipe is designed to convey fluids under pressure, widely used for water supply, irrigation, and industrial applications due to its strength, corrosion resistance, and cost-effectiveness. They come in different types and pressure classes to suit various needs.
Here’s a clear, professional overview of PVC Pressure Pipe — including its definition, classification, and main applications:
What is a PVC Pressure Pipe?
1. PVC Pressure Pipe is a type of polyvinyl chloride (PVC) pipe specifically designed to carry fluids under pressure, such as water, irrigation flow, or industrial liquids.
2. It is manufactured using unplasticized PVC (UPVC) resin, which provides high strength, rigidity, and corrosion resistance, making it suitable for long-term pressurized systems.
3. PVC pressure pipes are typically joined using solvent cement joints, rubber ring (push-fit) joints, or threaded fittings, depending on the pressure rating and application.
🚰 Types of PVC Pressure Pipes
Here are the main types of PVC pipes used for pressure applications:
| Type of PVC Pipe | Key Characteristics | Common Applications |
|---|---|---|
| PVC-U (Unplasticized) | Rigid, cost-effective, excellent corrosion resistance. Maximum operating temperature typically 45-60°C. | Municipal water supply, pressure drainage, irrigation. |
| PVC-O (Oriented) | Molecular orientation enhances strength and impact resistance; higher pressure rating (up to 2.5 MPa). | Buried or above-ground pressure water systems, suitable for higher-pressure applications. |
| Industrial Schedule 80 | Thicker walls than standard PVC-U, made from rigid PVC compound for higher physical strength. | Chemical processing, industrial plant water, wastewater treatment. |
💧 Pressure Classes and Selection
PVC-U pipes for water supply are manufactured in standard Nominal Pressure (PN) grades, including PN 0.6, 0.8, 1.0, 1.25, and 1.6 MPa. The pressure rating is based on a water temperature of 20°C. As the temperature of the conveyed fluid increases, the pressure-bearing capacity decreases, and the pressure rating must be multiplied by a reduction factor (e.g., 0.8 for 25-35°C and 0.63 for 35-45°C).
🏗️Applications of PVC Pressure Pipe
PVC pressure pipes are used across municipal, industrial, agricultural, and residential systems. Common applications include:
1. Water Supply Systems
Potable (drinking) water distribution networks
Main and branch pipelines
Rural and urban water supply systems
2. Irrigation Networks
Agricultural irrigation mains and laterals
Drip and sprinkler systems
5. Construction and Building Services
Plumbing supply lines
Roof and floor riser systems
Advantages of PVC Pressure Pipe
- Lightweight → Easy to transport and install
- Corrosion and chemical resistant → Long lifespan in diverse environments
- Smooth inner surface → Reduces friction loss, maintains high flow rates
- Economical → Lower cost than metal pipes for similar performance
- Non-toxic and safe for potable water
Summarize
PVC pressure pipe is a durable uPVC pipe used to transport water and fluids under pressure in systems such as water supply, irrigation, and industrial pipelines. Available in different pressure classes (PN6–PN25) or schedules (40 and 80), it is lightweight, corrosion-resistant, smooth inside, and safe for potable water. Commonly joined by solvent cement, rubber ring, or threaded fittings, it offers a long-lasting, low-maintenance solution for reliable fluid distribution.
I hope this overview helps you understand PVC pressure pipes. If you have a specific application in mind and need help choosing a suitable pipe class, feel free to ask.
About SAM-UK
SAM-UK are a professional 19+ years manufacturer in producing vinyl building profile products and PVC , CPVC , PPH , PPR , PP pipes and pipe fittings, valves, taps and so on. We own the certificates of SGS\SONCAP\ISO9001\CE\NSF，support color /size customization. Welcome to consult for Catalog and Product. you can contact us at email [email protected]
