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CONTROL SYSTEMS & SERVICES DIVISION

P.O. Box 1819; Rosenberg, Texas 77471; USA
+1 281 633 4500  

fax

+1 281 633 4588 

e-mail

[email protected]

MURPHY DE MEXICO, S.A. DE C.V.

Blvd. Antonio Rocha Cordero 300, Fracción del Aguaje 
San Luis Potosí, S.L.P.; México 78384 
+52 444 8206264  

fax

+52 444 8206336

Villahermosa 52 993 3162117

e-mail

[email protected]

www.murphymex.com.mx

FRANK W. MURPHY, LTD.

Church Rd.; Laverstock, Salisbury SP1 1QZ; U.K.
+44 1722 410055  

fax

+44 1722 410088  

e-mail

[email protected]

www.fwmurphy.co.uk

MURPHY SWITCH OF CALIFORNIA

41343 12th Street West
Palmdale, California 93551-1442; USA
+1 661 272 4700  

fax

+1 661 947 7570

e-mail

[email protected]

www.murphyswitch.com

In order to consistently bring you the highest quality, full featured products, we reserve the right to change our specifications and designs at any time.

MACQUARRIE CORPORATION

1620 Hume Highway
Campbellfield, Vic 3061; Australia 
+61 3 9358 5555  

fax

+61 3 9358 5558

e-mail

[email protected] 

FW Murphy 

P.O. Box 470248
Tulsa, Oklahoma 74147 USA 
+1 918 317 4100 

fax

+1 918 317 4266  

e-mail 

[email protected]  

www.fwmurphy.com

R

E

G ISTERE

D

USA–ISO 9001:2000 FM 28221

UK–ISO 9001:2000 FM 29422

Printed in U.S.A.  

0966106

M2582

M5081

M5081FS

M5081FS Coil Assembly

12 VDC

24 VDC

Latch Block Assembly

Latch block assembly

Latch block switch and coil assembly

Latch block switch and mounting bracket assembly

Coil Assembly

Battery

CD Ignition

Magneto Ignition

55000128

55000129

55000094

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55000096

55000097

55000137

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55000102

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55000102

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5500148

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55000154

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55000095

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55000074

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55000118

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55000196

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55000158

55000159

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55000126

55000127

55000080

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SERVICE PARTS

M2582-P

M5180-P

Handle and Latch Kit

Handle and latch kit

Handle kit

Manual DIsconnect Assembly

55000098

55000072

55000160

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Snap Switch Assembly

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55000138

55000138

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Close/Open Indicator Assembly

55000093

55000075

55000135

55000147

55000135

Stem and Seat Kit

55000146

55000131

55000161

55000150

55000155

Top Works Complete Valve Less Body and Vent

55000143

55000132

55000132

65700053

65700053

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65010065

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65700054

65700054

65700055

65700055

55000143

55000132

Vent Bushing Assembly

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55000184

55000153

Diaphragm Assembly

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00007908

55050420

Pilot Diaphragm

Single/Dual ign. – negative ground up to 240 VDC

Single/Dual ign. – positive ground up to 450 VDC

Single/Dual ign. – negative ground up to 450 VDC

Diode Package for Dual Magneto Ignitions

Magnetic Switch Adapter for CD Ignitions

SPECIFICATIONS

Valve Body:

Sandcast aluminum, painted red (corrosion resistance);

Optional cast steel available for M5081 and M5081FS models only.

Valve Seat:

Buna-N

Maximum Valve Inlet Pressure:

• M2582/M2582-P: 

80 psi (552 kPa) [5.52 bar]

• M5081/M5081FS/ M5180-P: 

100 psi (689 kPa) [6.89]

Maximum Control Pressure (Pneumatic Models):

• M2582-P: 

75 psi (517 kPa) [5.17 bar]

• M5180-P: 

80 psi (552 kPa) [5.52 bar]

Snap-switch:

M2582: 

One SPDT, 5 A @ 480 VAC

M5081, and M5081FS:

Two SPDT, 5 A @ 480 VAC

Wiring:

M2582: 

Wire leads; 

M5081, and M5081FS: 

Terminal blocks

NOTE:

All aluminum versions of the M5081 Series Fuel Valve carry

Canadian Registartion Number OC1476.2.

Coil Rating:

Intermittent duty; coil type must match power source; 

• CD ignition coil resistance: 

72 

CD ignition primary voltage:

1.38 to 3.8 A 

• M5081FS: Energized to Run (continuous-duty coil) coil resistance:

12 V model:

33 

24 V model:

136 

• Magneto ignition coil resistance:

0.5 

Magneto primary voltage: 

1 to 5 A

• Battery coil resistance : 

12 or 24 VDC:

1.2 to 2.4 A

Laboratory Approval:

CSA listed for Class I, Groups C and D

Hazardous Locations. 5 amps maximum; intermittent duty; models
M5081 and M5081-CD engine ignition powered, and model M5081-B, 12
or 24 VAC or VDC; switch contacts rated 5 A @ 480 VAC maximum.
Maximum pressure 100 psi (689 kPa) [6.89 bar].

Installation M-7980N page 12 of 12

Warranty

A limited warranty on materials and workmanship is given with this FW Murphy product. 

A copy of the warranty may be viewed or printed by going to www.fwmurphy.com/support/warranty.htm

1-800-548-1191 - http://www.partdeal.com - [email protected]

Содержание M5081FS

Страница 1: ...orward in the line after shut off M5081FS Normally Energized Circuit The M5081FS is manually opened electrically latched open and tripped by interrupting the coil power circuit Magnetic Switch Adapter As ignition systems wear from usage their power output becomes less and less Ignition may not have the capacity to reliably trip the Fuel Valve Therefore the use of a Magnetic Switch Adapter for CD i...

Страница 2: ...3000 84 96 2750 77 88 750 21 24 0 1 0 25 4 2 0 50 8 3 0 76 2 4 0 101 6 5 0 127 0 6 0 152 4 7 0 177 8 8 0 203 2 9 0 228 6 10 0 254 0 4 o z 0 1 1 k g 1 0 o z 0 2 8 k g 5 p s i g 3 4 k P a 0 3 4 b a r 1 0 p s i g 6 9 k P a 0 6 9 b a r 2 0 p s i g 1 3 8 k P a 1 3 8 b a r 3 0 p s i g 2 0 7 k P a 2 0 7 b a r 4 o z 0 1 1 k g 1 0 o z 0 2 8 k g 5 p s i g 3 4 k P a 0 3 4 b a r 1 0 p s i g 6 9 k P a 0 6 9 b ...

Страница 3: ...ed to convert to vacuum control NOTE 2 Thumb operated opening latch 2 5 psi 17 kPa 0 17 bar required to release cocking latch 6 1 8 in 156 mm 1 4 in 6 mm connection control pressure 3 psi 21 kPa 0 21 bar minimum 80 psi 552 kPa 5 52 bar maximum see NOTE 1 Latch Arm see NOTE 2 M2582 M5180 P Magnetic Switch Adapters 65700053 was 65020126 65700054 was 65020127 65700055 was 65020155 M2582 P CAUTION THE...

Страница 4: ...n 366 367 mm 3 4 in 19 mm dia 4 places each end equally spaced on a 15 32 in 121 mm b c bolt circle 45 3 5 8 in 92 mm dia 2 in 51 mm dia 2 places 150 RF raised face pipe flange M5081 and M5081FS M5081 3 Steel Flanged Option CAUTION THE ARROW ON THE SIDE OF THE FUEL VALVE MUST POINT TO THE CORRECT DIRECTION OF THE FLOW FROM FUEL SOURCE TO THE ENGINE APPLY PIPE DOPE ONLY TO FUEL PIPE NOT TO THE FUEL...

Страница 5: ...ow manual opening of the valve The thumb operated latch can be locked in place to hold the lever arm latched The cocking latch will be released when pilot pressure reaches 2 5 psi 17 kPa 0 17 bar M2582 P and M5180 P automatically open at 2 psi 14 kPa 0 14 bar and fully open at 3 psi 21 kPa 0 21 bar See Specifications page 12 for maximum control pressure 3 If vacuum control is desired swap the Cont...

Страница 6: ...K IV 12 24 refer to page 10 Magnetic Switch Adapters for Use with Capacitor Discharge Ignitions Connect the Magnetic Switch Adapter between the fuel Valve terminal 1 and the CD Ignition See wiring diagrams pages 7 and 11 WARNING PERFORM THE WIRING OPERATION WITH THE POWER SOURCE OFF AND THE AREA MADE NON HAZARDOUS MAKE SURE THE VOLTAGE AND CURRENT REQUIREMENTS ARE WITHIN THE FUEL SHUT OFF VALVE RA...

Страница 7: ...NITIONS Dual CD Ignition Systems Remove the jumper on terminals 6 5 Connect second ignition to Magnetic Switch Adapter terminal ALT2 NOTE 4 To CLOSE FUEL VALVE and GROUND THE IGNITION Dual CD Ignition Systems Remove the jumper on terminals 6 5 Connect a 100 ohm 2 watt resistor between valve terminals 1 2 Ground terminal 6 Connect second ignition to Magnetic Switch Adapter terminal ALT2 Jumpers 6 2...

Страница 8: ... 5 Terminal Block NOTE 2 To CLOSE FUEL VALVE NOT GROUNDING THE IGNITIONS Dual Magneto Systems Remove the factory installed jumpers on terminals 6 5 and 9 8 Add 65010065 diode package as shown Do NOT ground terminals NOTE 4 To CLOSE FUEL VALVE and GROUND THE IGNITION Dual Magneto Systems Remove the jumper on terminals 9 8 Add 65010065 diode package as shown Add ground wire to terminal 5 Jumpers 6 2...

Страница 9: ...HE FUEL SHUT OFF VALVE RATINGS HARD CONDUIT WITH APPROVED SEALS IS REQUIRED BY THE NEC FOR HAZARDOUS AREA INSTALLATIONS M5081 C to LCDT PS CD R P positive ground FV GND IGN 1 FV NO C NC Relay Contacts jumper jumper M5081 Terminal block LCDT PS CD R P Terminal block 7 2 6 5 1 9 3 8 4 10 FV FET output rated 0 5 A 250 VDC max Relay contacts rated 3 A 30 VDC 4 A 125 250 VAC M5081 C to LCDT PS CD N neg...

Страница 10: ... MARK IV 12 24 ALM 12 24 FV S D GRD MARK III 12 24 terminal block Auxiliary Relay Auxiliary or Shutdown Relay 7 2 6 5 1 9 3 8 4 10 M5081FS Terminal Block 12 24 VDC Power source MARK III has FET outputs rated 0 5 A 250 V max 1 Auxiliary Relays must be hermetically sealed third party certified for use in Class I Division 2 Gps C D areas 2 1 2 2 K1 K2 IN4005 Diode for flyback protection FV IGN FV ALM...

Страница 11: ...Black Red Magnetic Switch Adapter GND ALT1 ALT2 SW K2 K2 is hermetically sealed auxiliary relay third party certified for use in Class I Div 2 Gps C D areas 1 1 K2 Magnetic Switch Adapter GND ALT1 ALT2 SW jumper jumper M5081 Terminal block 7 2 6 5 1 9 3 8 4 10 K2 is hermetically sealed auxiliary relay third party certified for use in Class I Div 2 Gps C D areas 1 1 SD GRD NA FV ALR MPU GRD 10 32VD...

Страница 12: ...d Seat Kit 55000146 55000131 55000161 55000150 55000155 Top Works Complete Valve Less Body and Vent 55000143 55000132 55000132 65700053 65700053 65010065 65700054 65700054 65700055 65700055 55000143 55000132 Vent Bushing Assembly 55000184 55000153 Diaphragm Assembly 00007908 55050420 Pilot Diaphragm Single Dual ign negative ground up to 240 VDC Single Dual ign positive ground up to 450 VDC Single ...

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