No Return Valve Options Required For NFPA Compliance
- UL labeled intrinsically safe control panel with "System OK" and "System Fault" indicator lights. Complies with NFPA 69 and OSHA Combustible Dust Directive
ATEX CERTIFIED
- Size 7"-28" are rated for Class ST 3 applications - Kst max 400 bar m/s. Pred 0.50 bar. CERTIFIED en16447 & en15809
- Size 32"-40" are rated for Class ST 2 applications - Kst max 299 bar m/s. pred 0.25 bar. CERTIFIED en15809 - en16447 Certification with release of certified sizes 44" and 48" avaiable!
- Microswitch mounted on NRV locking mechanism for automatic shutdown on an event
Benefits:
- Heavy Duty Welded Steel Construction
- Flanged Inlet and Outlet with Co-Flanges
- Inspection/Access Door
- Grounding Lug
- Locking Mechanism
- ATEX Certified
The NRV is 100% NFPA 69-2014 compliant with the following optional features:
- Micro-switch for system shut down
- Dust Level Sensor
- Control panel for sensor power and integration with existing, new or EcoBOSS Control Panel
No Return Valves, Abort Gates and Spark Detection Systems
SAFETY SMART - EcoMAXX NO RETURN EXPLOSION ISOLATION VALVES SATISFY CURRENT 2014 NFPA 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 will protect workers and facilities from the damaging effect of a baghouse or filter explosion.
EcoMAXX No Return Valves are an integral component that is recommended for use with EcoBoss Energy Management Systems, EcoMAXX Fire Break Shutters, and EcoMaxx Fire Suppression Systems.
- Capacitive Style Dust Level Sensor mounted on bottom of NRV for automatic shutdown when 0.15"-0.20" of dust has accumulated on bottom of NRV
No Return Valve Installation Examples