AIR COMPRESSORS SERVICE

AIR COMPRESSORS SERVICE
AIR COMPRESSORS DALLAS, TEXAS

Thursday, September 5, 2019

AIR COMPRESSOR PRESSURE SWITCH, PRESSURE SWITCHES, COMPRESSOR PRESSURE SWITCH








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214-428-2868


WHAT IS A PRESSURE SWITCH


The air compressor pressure switch helps to measure the pressure inside your air tank and then is used to shut off your compressor when your air tank reaches the desired air pressure.









How Does an Air Compressor Pressure Switch Work?


Air compressor pressure switches use air lines to monitor pressurized air as it moves in and out of your compressor tank.  Every pressure switch has some element that reacts when pressure is applied; (typically a diaphragm that compresses when exposed to air) to it.


Air pressure in your compressor tank will increase and eventually build up enough backwards pressure (cut-out pressure).  This will change the shape of your diaphragm.   When it gets deformed, IT WILL CAUSE movement in the pressure switch.





Y = unloader included, L = disconnect lever included, 2C = 4-port manifold

1 Phase 3 Phase
Model Number Min. Close Max. Open Differential Range 120 V 240 V 240 V 480/600 V Factory
Cut-In Cut-Out Setting
69JF6LY 60 psi 110 psi 15 - 25 psi 1.5 2 3 N/A 80 - 100
69JF7 50 psi 145 psi 25 - 33 psi 1.5 2 3 N/A 95 - 125
69JF7Y 50 psi 145 psi 25 - 33 psi 1.5 2 3 N/A 95 - 125
69JF7LY 50 psi 145 psi 25 - 33 psi 1.5 2 3 N/A 95 - 125
69JF7LY2C 50 psi 145 psi 25 - 33 psi 1.5 2 3 N/A 95 - 125
69JF8 90 psi 165 psi 25 - 38 psi 1.5 2 3 N/A 115 - 150
69JF8Y 90 psi 165 psi 25 - 38 psi 1.5 2 3 N/A 115 - 150
69JF8LY 90 psi 165 psi 25 - 38 psi 1.5 2 3 N/A 115 - 150
69JF8LY2C 90 psi 165 psi 25 - 38 psi 1.5 2 3 N/A 115 - 150
69JG6LY 60 psi 110 psi 15 - 25 psi 2 3 5 1 80 - 100
69JG7Y 50 psi 145 psi 25 - 33 psi 2 3 5 1 95 - 125
69JG7LY 50 psi 145 psi 25 - 33 psi 2 3 5 1 95 - 125
69JG7LY2C 50 psi 145 psi 25 - 33 psi 2 3 5 1 95 - 125
69JG8 90 psi 165 psi 25 - 38 psi 2 3 5 1 115 - 150
69JG8Y 90 psi 165 psi 25 - 38 psi 2 3 5 1 115 - 150
69JG8LY 90 psi 165 psi 25 - 38 psi 2 3 5 1 115 - 150
69JG8LY2C 90 psi 165 psi 25 - 38 psi 2 3 5 1 115 - 150
69JF9Y 100 psi 175 psi 30 - 40 psi 1.5 2 3 N/A 140 - 175
69JF9LY 100 psi 175 psi 30 - 40 psi 1.5 2 3 N/A 140 - 175
69JF9LY2C 100 psi 175 psi 30 - 40 psi 1.5 2 3 N/A 140 - 175
69JG9 100 psi 175 psi 30 - 40 psi 2 3 5 1 140 - 175
69JG9Y 100 psi 175 psi 30 - 40 psi 2 3 5 1 140 - 175
69JG9LY2C 100 psi 175 psi 30 - 40 psi 2 3 5 1 140 - 175







what happens if the pressure switch goes BAD!



If the switch opens and closes, it may have been temporarily stuck due to dirt or other debris. If the switch fails to close when the pressure drops, the internal spring is bad.  Replace the switch.  If you see electrical sparks coming from the contacts, remove power immediately.




1 Phase 3 Phase
Model Number Min. Close Max. Open Differential Range 120 V 240 V 240 V 480/600 V Factory
Cut-In Cut-Out Setting
69HA1 40 psi 250 psi 35 - 60 psi 2 3 5 5 115 - 150
69HA2 10 psi 125 psi 20 - 35 psi 2 3 5 5 100 - 125
69HA3 15 psi 60 psi 7 - 15 psi 2 3 5 5 30 - 40
69HAU1 40 psi 250 psi 35 - 60 psi 2 3 5 5 115 - 150
69HAU2 10 psi 125 psi 20 - 35 psi 2 3 5 5 100 - 125
69HAU3 15 psi 60 psi 7 - 15 psi 2 3 5 5 30 - 40




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HOW TO REPLACE YOUR PRESSURE SWITCH:




Ø  Unplug the compressor so you don’t run the risk of shocking yourself .

Ø  Open the drain valve at the bottom of your tank to depressurize it.

Ø  Locate the unloader valve and remove the line.

Ø  Remove the quick-connect compression fitting, pressure regulator and top gauge from the pressure switch. loosen the nut on the air line, and pull this up out of the fitting.

Ø  Disconnect the hot, neutral and ground wires from your pressure switch.

Ø  Squeeze the strain relief grommet with your pliers.

Ø  Remove the old switch.

Ø  Apply a thread lubricant or pipe dope to the pipe threads and plumbing parts.

Ø  Install the new switch.  It spins on. 

Ø  Tighten the switch with your wrench.  FYI:  Hold the lower stub pipe on the tank with pliers for better stability.

Ø  Reassemble your plumbing parts and valves.





AIR COMPRESSOR PRESSURE SWITCH








PORT TYPE ON/ OFF Pressure Switch Differential  Pressure Switch Range  Electrical Contact Form 
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 100/125 psi 15 to 70 psi 45 to 160 psi 3PST
(1) Port, 1/4" FNPT 100/125 psi 25 to 65 psi 25 to 160 psi DPST
(1) Port, 1/4" FNPT 100/125 psi 25 to 65 psi 25 to 160 psi DPST
(1) Port, 3/8" FNPT 100/125 psi 15 to 70 psi 45 to 160 psi 3PST
(4) Port, 1/4" FNPT 100/125 psi 25 to 65 psi 25 to 160 psi DPST
(4) Port, 1/4" FNPT 100/125 psi 25 to 65 psi 25 to 160 psi DPST
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 100/125 psi 15 to 70 psi 45 to 160 psi 3PST
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 100/125 psi 15 to 70 psi 45 to 160 psi 3PST
(1) Port, 1/4" FNPT 100/125 psi 25 to 65 psi 25 to 160 psi DPST
(1) Port, 1/4" FNPT 100/125 psi 25 to 65 psi 25 to 160 psi DPST
(1) Port, 3/8" FNPT 100/125 psi 15 to 70 psi 45 to 160 psi 3PST
(1) Port, 3/8" FNPT 100/125 psi 15 to 70 psi 45 to 160 psi 3PST
(4) Port, 1/4" FNPT 100/125 psi 25 to 65 psi 25 to 160 psi DPST
(4) Port, 1/4" FNPT 100/125 psi 25 to 65 psi 25 to 160 psi DPST
(1) Port, 1/4" FNPS 100/125 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 3/8" FNPS 100/125 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 1/4" FNPS 100/125 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 1/4" FNPS 100/125 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 3/8" FNPS 100/125 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 1/4" FNPS 105/135 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 105/135 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 105/135 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 105/135 psi 30 psi 40 to 150 psi DPST
(4) Port, 1/4" FNPS 105/135 psi 30 psi 40 to 150 psi DPST
(4) Port, 1/4" FNPS 105/135 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPT 105/135 psi 25 to 65 psi 25 to 160 psi DPST
(1) Port, 1/4" FNPT 105/135 psi 25 to 65 psi 25 to 160 psi DPST
(4) Port, 1/4" FNPT 105/135 psi 25 to 65 psi 25 to 160 psi DPST
(4) Port, 1/4" FNPT 105/135 psi 25 to 65 psi 25 to 160 psi DPST
(1) Port, 1/4" FNPS 105/135 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 105/135 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 105/135 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 105/135 psi 30 psi 40 to 150 psi DPST
(4) Port, 1/4" FNPS 105/135 psi 30 psi 40 to 150 psi DPST
(4) Port, 1/4" FNPS 105/135 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPT 105/135 psi 25 to 65 psi 25 to 160 psi DPST
(1) Port, 1/4" FNPT 105/135 psi 25 to 65 psi 25 to 160 psi DPST
(4) Port, 1/4" FNPT 105/135 psi 25 to 65 psi 25 to 160 psi DPST
(4) Port, 1/4" FNPT 105/135 psi 25 to 65 psi 25 to 160 psi DPST
(1) Port, 1/4" MNPT 105/135 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" MNPT 105/135 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" MNPT 105/135 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/8" FNPS 110/125 psi 20 to 40 psi 40 to 200 psi DPST
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 120/150 psi 15 to 70 psi 45 to 160 psi 3PST
(1) Port, 1/4" FNPS 120/150 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 120/150 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 120/150 psi 30 psi 40 to 150 psi DPST
(4) Port, 1/4" FNPS 120/150 psi 30 psi 40 to 150 psi DPST
(4) Port, 1/4" FNPS 120/150 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPT 120/150 psi 25 to 65 psi 25 to 160 psi DPST
(1) Port, 1/4" FNPT 120/150 psi 25 to 65 psi 25 to 160 psi DPST
(1) Port, 3/8" FNPT 120/150 psi 15 to 70 psi 45 to 160 psi 3PST
(4) Port, 1/4" FNPT 120/150 psi 25 to 65 psi 25 to 160 psi DPST
(4) Port, 1/4" FNPT 120/150 psi 25 to 65 psi 25 to 160 psi DPST
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 120/150 psi 15 to 70 psi 45 to 160 psi 3PST
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 120/150 psi 15 to 70 psi 45 to 160 psi 3PST
(1) Port, 1/4" FNPS 120/150 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 120/150 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 120/150 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 120/150 psi 30 psi 40 to 150 psi DPST
(4) Port, 1/4" FNPS 120/150 psi 30 psi 40 to 150 psi DPST
(4) Port, 1/4" FNPS 120/150 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPT 120/150 psi 25 to 65 psi 25 to 160 psi DPST
(1) Port, 1/4" FNPT 120/150 psi 25 to 65 psi 25 to 160 psi DPST
(1) Port, 3/8" FNPT 120/150 psi 15 to 70 psi 45 to 160 psi 3PST
(1) Port, 3/8" FNPT 120/150 psi 15 to 70 psi 45 to 160 psi 3PST
(4) Port, 1/4" FNPT 120/150 psi 25 to 65 psi 25 to 160 psi DPST
(4) Port, 1/4" FNPT 120/150 psi 25 to 65 psi 25 to 160 psi DPST
(1) Port, 1/4" MNPT 120/150 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" MNPT 120/150 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" MNPT 120/150 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 120/150 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 1/4" FNPS 120/150 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 1/4" FNPS 125/150 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 3/8" FNPS 125/150 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 1/4" FNPS 125/150 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 3/8" FNPS 125/150 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 3/8" FNPS 125/150 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 1/4" FNPS 125/175 psi 30 to 50 psi 35 to 200 psi DPST
(1) Port, 1/4" FNPT 13/18 psi 10 to 40 psi 5 to 65 psi
(1) Port, 1/4" FNPS 130/175 psi 24 to 45 psi 32 to 250 psi DPST
(1) Port, 3/8" FNPS 130/175 psi 24 to 45 psi 32 to 250 psi DPST
(1) Port, 1/4" FNPS 130/175 psi 24 to 45 psi 32 to 250 psi DPST
(1) Port, 3/8" FNPS 130/175 psi 24 to 45 psi 32 to 250 psi DPST
(1) Port, 3/8" FNPS 130/175 psi 24 to 45 psi 32 to 250 psi DPST
(1) Port, 1/4" FNPS 135/175 psi 40 psi 60 to 200 psi DPST
(1) Port, 1/4" FNPS 135/175 psi 40 psi 60 to 200 psi DPST
(1) Port, 1/4" FNPS 135/175 psi 40 psi 60 to 200 psi DPST
(4) Port, 1/4" FNPS 135/175 psi 40 psi 60 to 200 psi DPST
(4) Port, 1/4" FNPS 135/175 psi 40 psi 60 to 200 psi DPST
(1) Port, 1/4" FNPS 135/175 psi 40 psi 60 to 200 psi DPST
(1) Port, 1/4" FNPS 135/175 psi 40 psi 60 to 200 psi DPST
(1) Port, 1/4" FNPS 135/175 psi 40 psi 60 to 200 psi DPST
(1) Port, 1/4" FNPS 135/175 psi 40 psi 60 to 200 psi DPST
(4) Port, 1/4" FNPS 135/175 psi 40 psi 60 to 200 psi DPST
(4) Port, 1/4" FNPS 135/175 psi 40 psi 60 to 200 psi DPST
(1) Port, 1/4" MNPT 135/175 psi 40 psi 60 to 200 psi DPST
(1) Port, 1/4" MNPT 135/175 psi 40 psi 60 to 200 psi DPST
(1) Port, 1/4" MNPT 135/175 psi 40 psi 60 to 200 psi DPST
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 140/175 psi 30 to 110 psi 60 to 232 psi 3PST
(1) Port, 1/4" FNPT 140/175 psi 30 to 65 psi 40 to 175 psi DPST
(1) Port, 1/4" FNPT 140/175 psi 30 to 65 psi 40 to 175 psi DPST
(1) Port, 3/8" FNPT 140/175 psi 30 to 110 psi 60 to 232 psi 3PST
(4) Port, 1/4" FNPT 140/175 psi 30 to 65 psi 40 to 175 psi DPST
(4) Port, 1/4" FNPT 140/175 psi 30 to 65 psi 40 to 175 psi DPST
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 140/175 psi 30 to 110 psi 60 to 232 psi 3PST
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 140/175 psi 30 to 110 psi 60 to 232 psi 3PST
(1) Port, 1/4" FNPT 140/175 psi 30 to 65 psi 40 to 175 psi DPST
(1) Port, 1/4" FNPT 140/175 psi 30 to 65 psi 40 to 175 psi DPST
(1) Port, 3/8" FNPT 140/175 psi 30 to 110 psi 60 to 232 psi 3PST
(1) Port, 3/8" FNPT 140/175 psi 30 to 110 psi 60 to 232 psi 3PST
(4) Port, 1/4" FNPT 140/175 psi 30 to 65 psi 40 to 175 psi DPST
(4) Port, 1/4" FNPT 140/175 psi 30 to 65 psi 40 to 175 psi DPST
(1) Port, 1/4" FNPS 140/175 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 3/8" FNPS 140/175 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 1/4" FNPS 140/175 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 1/4" FNPS 140/175 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 3/8" FNPS 140/175 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 3/8" FNPS 140/175 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 1/4" FNPS 145/175 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 3/8" FNPS 145/175 psi 24 to 45 psi 32 to 250 psi DPST
(1) Port, 1/4" FNPS 145/175 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 1/4" FNPS 145/175 psi 20 to 40 psi 40 to 200 psi DPST
(1) Port, 3/8" FNPS 145/175 psi 24 to 45 psi 32 to 250 psi DPST
(1) Port, 3/8" FNPS 145/175 psi 24 to 45 psi 32 to 250 psi DPST
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 160/200 psi 30 to 110 psi 60 to 232 psi 3PST
(1) Port, 1/4" FNPT 160/200 psi 40 to 65 psi 50 to 200 psi DPST
(1) Port, 1/4" FNPT 160/200 psi 40 to 65 psi 50 to 200 psi DPST
(1) Port, 3/8" FNPT 160/200 psi 30 to 110 psi 60 to 232 psi 3PST
(4) Port, 1/4" FNPT 160/200 psi 40 to 65 psi 50 to 200 psi DPST
(4) Port, 1/4" FNPT 160/200 psi 40 to 65 psi 50 to 200 psi DPST
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 160/200 psi 30 to 110 psi 60 to 232 psi 3PST
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 160/200 psi 30 to 110 psi 60 to 232 psi 3PST
(1) Port, 1/4" FNPT 160/200 psi 40 to 65 psi 50 to 200 psi DPST
(1) Port, 1/4" FNPT 160/200 psi 40 to 65 psi 50 to 200 psi DPST
(1) Port, 3/8" FNPT 160/200 psi 30 to 110 psi 60 to 232 psi 3PST
(1) Port, 3/8" FNPT 160/200 psi 30 to 110 psi 60 to 232 psi 3PST
(4) Port, 1/4" FNPT 160/200 psi 40 to 65 psi 50 to 200 psi DPST
(4) Port, 1/4" FNPT 160/200 psi 40 to 65 psi 50 to 200 psi DPST
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 215/250 psi 40 to 105 psi 40 to 360 psi 3PST
(1) Port, 3/8" FNPT 215/250 psi 40 to 105 psi 40 to 360 psi 3PST
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 215/250 psi 40 to 105 psi 40 to 360 psi 3PST
(4) Port, (1) 3/8" FNPT, (3) 1/4" FNPT 215/250 psi 40 to 105 psi 40 to 360 psi 3PST
(1) Port, 3/8" FNPT 215/250 psi 40 to 105 psi 40 to 360 psi 3PST
(1) Port, 3/8" FNPT 215/250 psi 40 to 105 psi 40 to 360 psi 3PST
(1) Port, 1/4" FNPS 215/250 psi 24 to 45 psi 32 to 250 psi DPST
(1) Port, 1/4" FNPS 215/250 psi 24 to 45 psi 32 to 250 psi DPST
(1) Port, 3/8" FNPS 215/250 psi 24 to 45 psi 32 to 250 psi DPST
(1) Port, 1/4" FNPS 215/250 psi 24 to 45 psi 32 to 250 psi DPST
(1) Port, 1/4" FNPS 95/125 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 95/125 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 95/125 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 95/125 psi 30 psi 40 to 150 psi DPST
(4) Port, 1/4" FNPS 95/125 psi 30 psi 40 to 150 psi DPST
(4) Port, 1/4" FNPS 95/125 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 95/125 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 95/125 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 95/125 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" FNPS 95/125 psi 30 psi 40 to 150 psi DPST
(4) Port, 1/4" FNPS 95/125 psi 30 psi 40 to 150 psi DPST
(4) Port, 1/4" FNPS 95/125 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" MNPT 95/125 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" MNPT 95/125 psi 30 psi 40 to 150 psi DPST
(1) Port, 1/4" MNPT 95/125 psi 30 psi 40 to 150 psi DPST













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214-428-2868

































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