Product Overview

The Poline PN16 Cast Iron Non Return Valve – Flanged Swing Type is designed to automatically prevent reverse flow in water, utility, and industrial pipeline systems. Manufactured in compliance with IS 5312 Part 1 standards, this valve offers dependable backflow protection, durable construction, and low maintenance performance.

It features a swing type seating design with a replaceable high-quality rubber flap, ensuring effective sealing and quiet operation. The bolted cover construction allows easier inspection and maintenance.

With flanged ends as per IS 1538, the valve can be securely installed in standard piping systems and supports horizontal or vertical installation flexibility.

Key Features

• Designed as per IS 5312 Part 1
• Strong cast iron body construction
• Swing type seating design
• Replaceable rubber flap seat
• Bolted cover for maintenance access
• Prevents reverse flow automatically
• Flanged ends to IS 1538
• Suitable for horizontal or vertical installation
• Reliable shut-off and long service life

Technical Specifications

Applications

The Poline Cast Iron Non Return Valve is widely used in:

• Water supply systems
• Pump discharge lines
• Irrigation systems
• Utility pipelines
• Treatment plants
• HVAC water systems
• Industrial process water lines
• Commercial infrastructure

Why Choose Poline Non Return Valves?

Poline Valves manufactures dependable flow control products designed for long life and efficient operation. Our non return valves help protect pumps and systems by preventing backflow damage.

Frequently Asked Questions

1. What is a non return valve used for?

A non return valve allows flow in one direction and automatically prevents reverse flow.

2. What is swing type NRV?

A swing type NRV uses a hinged flap/disc that opens with forward flow and closes when flow reverses.

3. Can this valve be installed vertically?

Yes, this model supports both horizontal and vertical installation.

4. What does PN16 mean?

PN16 indicates a nominal pressure rating of 16 bar.

5. Why is a rubber flap seat used?

It helps achieve better sealing and quieter closing action.

Request a Quote

For pricing, OEM supply, dealership enquiries, or bulk orders for PN16 Cast Iron Non Return Valve – Flanged Swing Type, contact Poline Valves today.