Railroad Tank Car Emergency Shutoff Valves

Snappy Joe Type N562 Emergency Shutoff Valves (ESVs) are designed for railcar protection and attach to the shutoff valves on railroad tank cars.
Typically three N562s are used – two on the liquid lines and one on the vapor line. NFPA 58 regulations call for ESV protection on both sides of the transfer hose or piping.

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