wafer type nrv valve manufacturer india - Flowbiz

Wafer Type NRV: High-Efficiency, Space-Saving Backflow Prevention

In modern industrial piping, maximizing space while maintaining high flow efficiency is critical. FlowBiz Exports Pvt Ltd is a premier manufacturer of Wafer Type Non-Return Valves (NRV). These compact, lightweight valves are designed to prevent reverse flow in systems handling liquids, gases, steam, and slurries without the need for manual operation or actuators.

How Does a Wafer Type NRV Work?

The Wafer Type NRV is an automatic, pressure-responsive valve that relies on the pressure differential of the media to function.

  • Opening Phase: When the upstream suction or pumping force exceeds the "cracking pressure" (the force required to push against the internal spring), the valve disc opens, allowing the fluid to pass.
  • Closing Phase: As soon as the suction pressure decreases or backflow begins, the integrated spring forces the disc back onto its seat.
  • Fast Response: Due to their short "face-to-face" length, the disc has a very short distance to travel, allowing the valve to close almost instantaneously. This minimizes the risk of water hammer.

Key Advantages of FlowBiz Wafer NRVs

FlowBiz engineers these valves to offer several operational benefits over bulky swing check valves:

  1. Low Pressure Drop: The streamlined internal design ensures that the force drop across the valve is minimal, increasing overall system energy efficiency.
  2. Compact & Lightweight: Their "wafer" design allows them to be sandwiched between pipe flanges, taking up a fraction of the space required by traditional flanged NRVs.
  3. Versatile Orientation: Thanks to the spring-assisted closing, FlowBiz Wafer NRVs can be installed in horizontal or vertical (upward) directions without losing their sealing effectiveness.
  4. Clog-Resistant: The simple, slim shape makes these valves unlikely to trap solids or waste, making them perfect for wastewater or slurry applications.

Technical Specifications

Feature

Description

Valve Type

Spring-Loaded Wafer Check Valve

Body Materials

Cast Iron, Ductile Iron, WCB, SS304, SS316

Pressure Ratings

PN10, PN16, ANSI 150# to 600#

End Connection

Wafer Style (fits between standard flanges)

Media Compatibility

Water, Oil, Gas, Steam, Slurries

FlowBiz: India’s Trusted NRV Manufacturer

As a leading Wafer Type NRV manufacturer in India, FlowBiz Exports ensures rapid delivery and technical support across all major industrial zones:

  • Gujarat: Ahmedabad, Vapi, Valsad, Surat, Gandhidham, Kutch, Ankleshwar, Bharuch.
  • Maharashtra: Mumbai, Nashik, Pune, Thane, Aurangabad, Satara, Nagpur, Kolhapur.
  • South & Central India: Indore, Dewas, Bhopal, Chennai, Coimbatore, Salem.

Our Global Flow Control Range:

  • Valves: Gate, Globe, Ball, Butterfly, Knife Edge, and Diaphragm Valves.
  • Specialty: Forged Steel Valves, PFA/FEP Lined Valves, and IBR Valves.
  • Filtration: Y-Type, Basket, Pot Type, and Conical Strainers.

Is your piping system limited by space or suffering from water hammer?

Contact FlowBiz Exports Pvt Ltd today. Our Wafer Type NRVs provide a robust, maintenance-free solution for the most demanding fluid control challenges.