N562 Series Emergency Shutoff Valves (ESVs) are designed for railcar protection and attach to the shutoff valves on railroad tank cars. Typically, three Type N562s are used: two on the liquid lines and one on the vapor line. Pneumatically operated, the valve is opened and closed by means of a standard quick-disconnect coupling. Remote closure from one or more points is accomplished by exhausting pressure from the valves piston chamber with a pneumatic control valve.
Features
Shutoff in event of fire
Shutoff in event of excess flow
Remote shutoff capability
Stainless Steel construction
Light Weight
Application Flexibility
Hex couplings and ACME connections for ease of piping assembly
Fusible Element Provides Thermal Release
Specifications
Body Sizes and End Connection Styles (inlet x outlet)
N562-16: 2-inch FNPT x 2-inch FNPT
N562-18: 2-inch FNPT x 2-1/4 male ACME
N562-26: 2-inch FNPT x 3-1/4 male ACME
Maximum Inlet Pressure
400 psig / 27.6 bar WOG
Elastomer options
Nitrile (NBR), Kalrez®, & Viton®
Thermal Release Melt Point
212°F / 100°C
Approximate Weight
FNPT Outlet: 12 lbs / 5.4 kg
Acme Outlet: 14.5 lbs / 6.6 kg
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