Murphy Swichgage 45 Series User's Manual
Contents
1. 1 kPa 2 03 MPa 1 01 20 68 15 psi 0 103 kPa 0 1 03 0 30 psi 0 207 kPa 0 2 06 MS2100 0 60 psi 0 100 psi 0 160 psi 0 200 psi 0 300 psi 0 400 psi 0 600 psi 0 414 kPa 0 689 kPa 0 1 10 MPa 0 1 38 MPa 0 2 07 MPa 0 2 76 MPa 0 4 14 MPa 0 4 13 0 6 89 0 11 03 0 13 78 0 20 68 0 27 57 0 41 36 0 6 89 MPa 0 10 34 MPa 0 13 79 MPa 0 20 68 MPa 0 34 48 MPa 0 68 95 MPa 0 68 95 0 103 42 0 137 89 0 206 84 0 344 73 0 689 47 0 1000 psi 0 1500 psi 0 2000 psi 0 3000 psi 0 5000 psi 0 10 000 psi To CD Ignition or Magneto Contact Rating 12 32 VDC coil 10 A 32 VDC battery ignition contacts Magneto ignition coil 10 A magneto ignitions contacts CD ignition coil 10 A CD ignition contacts 120 VAC coil 10 A 120 VAC contacts Tamperproof Contact Accessory Dials Dials are dual scaled psi and kPa MPa Single scale and custom dials are available 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 MURPHY gt www fwmurphy com 918 317 4100 Email sales fwmurphy 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 MURPHY the Murphy logo and Swichgage are registered an2. 45 Series Pressure Swichgage instrument To Disable Magneto CD and Battery Ignition Systems 45 96003B Revised 07 06 Catalog Section 05 MURPHYMATIC P foutraller Thich PRESSURE i l PAL Y mileh pple i EEP ER i g i J a ii F i j a T ihi r PS ra F iS A a Description The 45 Series pressure Swichgage instrument incorporates a built in electromagnetic switch to disable an ignition whenever the gage con tacts operate Flywheel inertia cannot restart the engine since the electromagnetic switch will not allow the ignition to operate until manually reset A semi automatic lockout push button over rides the low pressure contact for equipment startup The lockout automatically disengages when pressure is established allowing the low limit contact to be armed for operation should a low pressure condition occur Models are available for conventional magnetos capacitor discharge CD ignitions 12 32 VDC battery systems and 120 VAC power sources Ranges are available from 30 vac 101 kPa 1 01 bar thru 10 000 psi 138 MPa 1379 bar Applications Recommended instrument for most field gath ering pumps the 45 Series instantly stops your pump when pressures drop due to line breaks leaks or when your tank is pumped out Overpressure shutdown can occur due to clo sure of valves in the line or other line restrictions MURPHY 3 Specifications Dial White
3. d or common law trademarks of Murphy Industries Inc This document including textual matter and illustrations is copyright protected by Murphy Industries Inc with all rights reserved c 2006 Murphy Industries Inc 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 45 96003B page 2 of 2
4. ichgage instrument For use with magneto type ignitions it includes magneto ignition type magnetic switch 45N Series Swichgage instrument For specific use with 110 VAC Power Sources it includes 120 VAC type magnetic switch Dimensions 8 716 in 214 mm n How to Order Specify model number NOTE No designator is required for Standard configurations List options in alphabetical order A to Z Place a dash between each option See example below 45B S 60 Base Model Options NOTE Not all options available for every model 45B BC Back connected bourdon tube 45CD LC Less case 45M P4L PT147 Pressure transmitter w Sft capillary 45N Pulsation dampener no longer provided For capillary greater than 5 ft specify in 5 ft incre ments following designator example P4LI5 P6 PT167 pressure transmitter direct mount Bourdon Tube Socket A Bronze Brass std lt 1 000 psi S Stainless Steel Stainless Steel Range Code Vacuum psi 30HV60H 30 Hg Vac 60 Hg Press 101 kPa 203 kPa 101 kPa 0 kPa 101 kPa 103 kPa 101 kPa 207 kPa 101 kPa 689 kPa kPa MPa bar 1 01 2 03 1 01 0 1 01 1 03 1 01 2 07 1 01 6 89 45 Series Typical Wiring Diagram 30V 30 vac 0 psi Shown with CD Ignition 30V15 30 vac 15 psi type magnetic switch 30V30 30 vac 30 ps 30V100 30 vac 100 psi 30V200 30 vac 200 psi 101 kPa 1 38 MPa 1 01 13 79 30V300 30 vac 300 psi 10
5. on black dual scale psi and kPa standard 4 1 2 in 114 mm diameter Case Die cast aluminum Process Connection 1 4 NPT thru 1000 psi 6 9 MPa 69 bar 1 2 NPT 1500 psi 10 MPa 103 bar thru 10 000 psi 138 MPa 1379 bar Overrange Do not exceed 10 above full range Sensing Element Select from bronze or 316 stain less steel bourdon tube Gage Accuracy 2 for first and last quarters of scale the middle half is 1 Pressure Relief Disc Located in rear of case Contact Ratings 45B 12 30 VDC coil 10 A 32 VD DC contacts 45CD CD ignition coil 10 A contacts 45M Magneto ign coil 10 A contacts 45N 120 VAC coil 10 A 120 VAC contacts Wire Connections 1 2 NPT conduit and terminal block Item Weight 5 Ibs 9 oz 2 5 kg approximately Item Dimensions 10 x 9 x 6 in 254 x 229 x 152 mm 45 96003B page 1 of 2 Combination Pressure Swichgage instru ment and Built in Electromagnetic Switch High and Low Contacts Can Disable Engine s Ignition Due to Critical Pressure m Magnetic Switch Will Not Allow Engine Restart Due to Flywheel Inertia Semi Automatic Low Pressure Override Push Button for Engine Startup Basic Models 45B Series Swichgage instrument For use with 12 32 VDC battery ignition systems it includes battery ignition type magnetic switch 45CD Series Swichgage instrument For use with CD capacitor discharge ignitions it includes CD ignition type magnetic switch 45M Series Sw
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