IS 12818: PVC Casing Pipe Standards in India

PVC casing pipes play a crucial role in water extraction, especially in borewells and deep underground water systems. These pipes need to be strong, durable, and capable of withstanding extreme conditions without collapsing. To ensure consistency and quality, India follows IS 12818 standards, which set the specifications for PVC casing pipes used in borewells and other applications.

If you’re planning a borewell installation or looking for reliable piping solutions, understanding IS 12818 standards is essential. This guide covers everything about these standards, what they mean, and how they impact the performance and pricing of PVC casing pipes.

IS 12818 Standards for PVC Casing Pipes

The IS 12818 standard defines the technical requirements for PVC casing pipes, ensuring they meet specific performance and safety benchmarks. These standards categorize pipes based on their structural integrity and applications.

1. Categories of PVC Casing Pipes as per IS 12818

The Bureau of Indian Standards (BIS) classifies PVC casing pipes into different categories:

CS (Casing Shallow): Suitable for borewells in shallow areas with minimal soil pressure.

CM (Casing Medium): Used in moderate soil conditions where additional support is needed.

CD (Casing Deep): Designed for deep borewells with high pressure and extreme soil conditions.

SC (Screen Casing): Comes with perforations to filter sand and other particles, ideal for wells with loose soil.

Understanding these categories helps in choosing the right pipe based on soil conditions and borewell depth.

2. Material and Durability Requirements

To comply with IS 12818, PVC casing pipes must meet strict material standards. Here’s what to look for:

High-Quality Virgin PVC: Pipes should be manufactured using unplasticized polyvinyl chloride (UPVC) for maximum strength.

Chemical Resistance: Pipes must be non-corrosive and resistant to chemicals present in groundwater.

Impact Strength: The material should be tough enough to withstand external forces and underground pressure.

UV Stabilization: For above-ground exposure, pipes need UV-resistant coatings to prevent degradation.

Choosing pipes that meet these standards ensures a long-lasting and maintenance-free borewell system.

Also know the Factors Affecting the Lifespan of PVC Casing Pipes

3. Threading and Jointing Specifications

Proper connection and installation of PVC casing pipes are crucial to prevent leaks and maintain water quality. IS 12818 specifies:

Threaded Joints: Pipes must have high-precision threads for secure fitting.

Leak-Proof Sealing: The joints should prevent contamination and water leakage.

Easy Installation: Pipes should be lightweight and easy to handle without requiring heavy equipment.

4. PVC Casing Pipe Price and Factors Affecting Cost

The PVC casing pipe price varies based on several factors:

Pipe Category: Deep casing pipes (CD) cost more than shallow casing pipes (CS) due to added strength.

Diameter and Thickness: Larger diameters and thicker pipes increase the price.

Brand and Quality: Well-known PVC casing pipe manufacturers may charge a premium for superior quality and certification compliance.

Market Demand and Supply: Seasonal demand and raw material costs influence pricing.

Before purchasing, compare prices from multiple suppliers and ensure the pipes meet IS 12818 standards for the best value.

Why Choosing the Right PVC Casing Pipe Matters

Selecting the right PVC casing pipe impacts the efficiency and lifespan of your borewell system. Here’s why it’s important:

Prevents Borewell Collapse: Pipes with proper thickness and strength can withstand soil pressure.

Enhances Water Flow: High-quality materials reduce friction loss and improve water extraction efficiency.

Minimizes Contamination: Properly sealed pipes prevent chemicals and debris from entering the water source.

Cost-Effective: Investing in IS 12818-compliant pipes reduces the need for frequent replacements.

Check this out: 15 Benefits of Using Casing Pipes in Borewell Installation

Utkarsh Pipes and Fittings – Reliable PVC Casing Pipe Manufacturers

At Utkarsh Pipes and Fittings, we provide PVC casing pipes that meet and exceed IS 12818 standards. Whether you need pipes for borewells or areas with loose and sandy soil, our products offer exceptional durability and performance.

Best-fit for borewells – Our pipes ensure stability in highly collapsible soil.

High strength & reliability – Made from premium-grade UPVC, they offer unmatched durability.

Versatile applications – Suitable for deep and shallow borewells, agricultural needs, and industrial setups.

Trusted by industries – Our casing pipes are widely used in residential, commercial, and municipal water projects.

When you need PVC casing pipe manufacturers that prioritize quality, reliability, and performance, Utkarsh Pipes and Fittings is the name to trust.

Conclusion

Choosing PVC casing pipes that adhere to IS 12818 standards is crucial for borewell efficiency and long-term performance. Understanding the categories, material specifications, and pricing factors ensures you make an informed decision. Always buy from trusted PVC casing pipe manufacturers like Utkarsh Pipes and Fittings to guarantee quality and durability.

FAQs:

Is ISI mark mandatory for PVC pipes?

Yes, an ISI mark is mandatory for PVC pipes used in critical applications like borewells, drinking water supply, and plumbing, as it ensures compliance with BIS standards for quality and safety.

What are the standard sizes of casing pipe?

The standard sizes of casing pipes as per IS 12818 range from 100 mm (4 inches) to 400 mm (16 inches) in diameter, with varying wall thicknesses depending on the category (CS, CM, CD, SC).

How to size a casing pipe?

To size a casing pipe, consider the borewell diameter, depth, and soil conditions. The casing pipe should be at least 1-2 inches larger than the pump diameter to allow proper water flow. Choose the pipe thickness based on soil pressure—CS for shallow, CM for medium, and CD for deep borewells as per IS 12818 standards.