The CKV-2336 Diesel Fuel Check Valve is an in-line, one-way valve that prevents fuel from being siphoned back into an injector or injection pump which could delay a shutdown. In engine shutdown systems using a Murphy SV valve, the CKV is necessary to ensure a rapid shutdown of the engine by fuel starvation of the injection system.
The CKV-2336 Diesel Fuel Check Valve has 1/4" (6 mm) NPT threaded male connections on each end for connecting to fuel line fittings or hoses. The valve has a solid brass body, poppet seal and a stainless steel spring. Opening pressure is 1.0 psi (7 kPa). Fully opened pressure is rated at 4 psi (27 kPa). Static pressure is 150 psi (1.03 MPa). The valve measures 1-5/8" in length.
The SV-Series Diesel Fuel Shutoff Valves for 12 and 24 volt systems feature a 1/4 NPT inlet and outlet, and either a standard 3/16" (5 mm) orifice, or an optional 1/4 inch (6 mm) orifice. The SV-high pressure valves open against greater diesel fuel transfer pump pressure.
The SV-Series valves are normally closed valves that open when current is supplied from the battery through a magnetic switch. Temperature, Level, or Pressure Swichgage® instruments installed on the engine and pump or compressor trip the magnetic switch, breaking the circuit from the battery, which closes the valve and stops the engine.
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