Non-Return Valve (NRV) – Heavy Duty One-Way Flow Valve Manufacturer & Wholesaler

As a leading Non-Return Valve (NRV) manufacturer and wholesaler, Shri Hari Plastic supplies high-performance one-way flow valves designed to prevent backflow and protect pumping and plumbing systems. Our NRVs are engineered using premium-grade materials to ensure smooth water flow, leak-free sealing, and long-term durability even under continuous pressure.

Trusted by plumbers, pump dealers, and agricultural suppliers across India, our NRVs are suitable for domestic, industrial, and irrigation applications where backflow prevention is critical.

Reliable Backflow Prevention for Pipeline Safety

Shri Hari Plastic manufactures NRVs with a precision non-return mechanism that allows water to move in a single direction while preventing reverse flow. This protects pumps from pressure damage, eliminates reverse suction, and improves overall system efficiency.

Our NRVs help maintain water pressure in the line, reduce priming time, and stop contamination from reverse water movement—making them essential for clean and controlled water supply systems.

Key Features and Advantages

One-Way Flow Design

Ensures controlled water movement and stops reverse flow instantly.

High Pressure Resistance

Performs reliably in borewell, submersible, and high-load pumping systems.

Leak-Proof Sealing

Precision-molded internal components provide tight and secure sealing.

Durable and Long-Lasting

Manufactured using strong, corrosion-resistant materials suitable for long-term use.

Smooth Water Flow

Engineered for minimal pressure drop and uninterrupted supply.

Ready for Bulk Supply

Available in multiple sizes with consistent stock for wholesalers and distributors.

Applications

Ideal for:

  • Borewell and submersible pumping systems

  • Domestic and overhead tank water lines

  • Agriculture and farm irrigation systems

  • Industrial fluid handling pipelines

  • Municipal and commercial water supply networks

  • Reverse flow protection in pump discharge lines

Technical Specifications

  • Type: Non-Return Valve (Single Direction)

  • Material: High-strength polymer body

  • Sizes Available: Standard inch sizes

  • Connection Type: Threaded ends

  • Usage: Prevents backflow and maintains water pressure

  • Performance: Suitable for low-to-high pressure systems

Quality and Manufacturing Assurance

Shri Hari Plastic ensures:

  • Accurate dimensional consistency

  • High-grade sealing components

  • Smooth opening and closing mechanism

  • Batch-wise performance testing

  • Strong structural integrity for long service life

Our manufacturing capability supports continuous bulk dispatch across India with reliable delivery timelines.

Why Choose Shri Hari Plastic NRV

  • Trusted large-scale manufacturer and wholesaler

  • Competitive wholesale pricing

  • Strong distribution support

  • Preferred by pump and plumbing suppliers

  • Consistent quality and ready stock availability

Suitable for Wholesale Buyers

Perfect for:

  • Pump and borewell equipment dealers

  • Plumbing and hardware stores

  • Agricultural and irrigation suppliers

  • Contractors and infrastructure projects

  • Industrial distribution networks