EcoMAXX No Return Valve

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EcoMAXX No Return Valves Meet Current National Fire Protection Association (NFPA) Safety Requirements. 

The installation of an Explosion Isolation Device on all suction side ducts that transport material with a Kst value above zero is an NFPA Requirement.

Installing a SAFETY SMART EcoMAXX® No Return Valve (EM-NRV) will protect workers and facilities from the damaging effect of a baghouse or filter explosion.

EM-NRV Explosion Isolation Valves are designed for use with all EcoMAXX® High Speed Abort Gates, Fire Break Shutters, Spark Detection & Extinguishing/Suppression Systems, and Energy Management Systems.

Standard Features

  • Heavy-duty welded steel construction
  • Flanged inlet and outlet with co-flanges
  • Inspection/access door
  • Grounding lug
  • Locking mechanism

Optional Features

The EM-NRV is 100% NFPA 69 compliant with the following optional features:

  • EM-NRV-MS – Micro-switch for system shut down
  • EM-NRV-DLS – Dust Level Sensor
  • EM-NRV-CP – Intrinsically safe control panel for sensor power and integration with existing, new or EcoBOSS® Control Panel

Certifications & Standards

  • EN 16447
  • NFPA 69



For more information about the EcoMAXX® No Return Valve or to order replacement parts, contact us.