Murphy Diesel Fuel Shutoff Valve Sv Series User Manual

SV-99026B  
Revised 6-05  
Catalog Section 55  
(00-02-0375)  
Diesel-Fuel Shutoff Valves  
SV-Series  
Solenoid Operated Fuel Shutoff Valve  
Diesel Engines  
Diesel Driven Pumps and  
Compressors  
High Pressure Models  
Select from 12 or 24 VDC Models  
SV-HP (High Pressure model) Warranty  
Description  
A limited warranty on materials and workmanship  
Orifice: 1/4 in. (6 mm) diameter. See chart below.  
The SV-series valve is a normally closed valve that  
opens when current is supplied from the battery  
through a magnetic switch. Temperature, level, or  
is given with this FW Murphy product. A copy of  
the warranty may be viewed or printed by going to  
Maximum Opening Pressure:  
60 psi (414 kPa) [4.14 bar].  
®
pressure SWICHGAGE instruments installed on  
3/16 Orifice  
10 20 30  
1/4 Orifice  
10 15  
the engine and pump or compressor, trip the mag-  
netic switch, breaking the circuit from the battery  
which closes the valve and stops the engine.  
Differential  
Pressure  
1
2
5
1
2
5
How to Order  
See the diagram below, example: SV12HP  
CAUTION: Do NOT use the SV valves with distribu-  
Gallons per  
Minute  
.48 .68 1.1 1.5 2.2 2.6 .72 1.05 1.65 2.35 2.70  
2.012.85 4.62 6.3 9.2410.92 3.02 4.416.93 9.87 11.34  
The SV-12 valve operates on 12VDC, has a 1/4 NPT  
inlet and outlet, and a full 3/16 in. (5 mm) orifice.  
24 VDC (SV-24) is optional The SV valves open  
against 30 psi. (207 kPa) [2.07 bar] inlet pressure.  
tor type injection pumps. For use with DIESEL ONLY.  
Liters per  
Minute  
SV– __ – __ – __  
Coil Voltage  
12 = 12 VDC  
24 = 24 VDC  
Dimensions  
Greater Flow Rate Valve  
Special series SV valve is available with a 1/4 in.  
(6 mm) orifice which opens against maximum  
pressure of 15 psi (103 kPa) [1.03 bar]. This  
valve is recommended where greater flow is  
required, and only static head or low transfer  
pump pressures are encountered.  
2-5/32 in.  
(55 mm)  
HP = High Pressure  
2-11/16 in.  
(68 mm)  
Orifice  
BATTERY GROUND  
Blank (non-“HP” models) = 3/16 in. (5mm) dia.  
Blank (“HP” models) = 1/4 in. (6 mm) dia.  
4 = 1/4 in. (6 mm) dia. (non-“HP” models only)  
2-3/16 in.  
(56 mm)  
High Pressure Valves  
SV Repair Parts  
SV-HP series valves open against diesel fuel  
transfer pump pressure up to 60 psi (414 kPa)  
[4.14 bar]. Models are available for 12 or 24 volt  
DC systems. The orifice is 1/4 in. (6 mm), using  
the same inlet/outlet and options as standard SV.  
FLOW  
Callouts diagram shown on page 2  
Callout  
Part Description  
Part Number  
2-1/8 in.  
(54 mm)  
A
B
Screw  
80-04-1412  
3/8 in.  
(9 mm)  
Brass Body  
Coil Replacement Kit  
12 volt kit  
55-01-0141  
55-01-0145  
3/8 in.  
(9 mm)  
Specifications  
24 volt kit  
11/16 in.  
(17 mm)  
C
C
D
Core Repair Kit (Std mdls)55-01-0155  
Core Repair Kit (HP mdls)55-01-0156  
Electrical Rating: 12 VDC, 10 watts  
Orifice: 3/16 in. (5 mm) diameter (optional 1/4 in.  
3/4 in.  
(19 mm)  
10-24 NC-2B  
2 Mounting Holes  
Valve Body: 3/16 Orifice  
[6 mm] diameter). See chart above, right.  
1/4 NPT x 1/4 NPT(std.) 55-05-0194  
Body Connections: 1/4 NPT inlet/outlet  
Shipping Weight: 1 lb. 6 oz. (0.68 kg)  
Shipping Dimension: 3 x 2-3/4 Sx 2-3/4 in.  
D
Valve Body: 1/4 Orifice  
Maximum Opening Pressure:  
1/4 NPT x 1/4 NPT  
55-05-0193  
3/16 in. (5 mm) orifice: 30 psi (207 kPa) [2.07 bar]  
1/4 in. (6 mm) orifice: 15 psi (103 kPa) [1.03 bar]  
(76 x 70 x 70 mm)  
SV-99026B page 1 of 2  

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