|Mount Type||Panel Mounted|
|Timing Range||1.5 to 15 sec.|
|Operating Pressure Range||5 to 140 psi|
|Connections||1/8″ NPT ports|
|Control Pressure||5 to 140 psi|
|Media||Filtered air or non-aggressive gas, non-lubricated.|
|Output Valve||Cv – 0.25|
Flow at 100 PSI – 9 CFM
Multi purpose 3 way spool
|Dial Indicator||Displays set time|
|Timing Star||On Delay – Application of pilot pressure to control port.|
|Reset||On Delay – Removal of pilot pressure from control port.|
|Reset Time||60 ms at 50 psi|
|Repeatability||Up to 200 sec. – ± 5%|
Over 200 sec. – ± 10%
|Time Setting||Via dial|
Accuracy ± 10% of full scale
|Operation||Timing cycle uses atmospheric pressure.|
|Materials||Diaphragms – Buna N|
Aluminum Valve with stainless spool
|Operating Ambient||-30 to 70 ºC|
-20 to 165 ºF
|Height||5 1/4 in.|
|Width||2 1/2 in.|
|Depth||2 1/2 in.|
|Drilling Plan (Panel Mount)||3 3/16 in. dia. Hole|
|Port Identification||2 – Valve output|
1 – System air supply
3 – Exhaust
C – Control Input Signal
|Options||Stainless Steel Fitting Mounted|
Tamper Proof Cover
|Power Connections||For installations requiring larger output valves, use the standard timer and connect a pneumatically operated single air piloted 3 way or 4 way valve of the size required to the timer output. Contact factory with size requirements.|
|Typical Circuits||See typical timing circuit diagrams at the end of the timer catalog section for help in constructing pneumatic timer circuits.|
Item # PT35CY1
The PT timer is an adjustable precise time delay pneumatic device. The timer is available with an on delay (NC), or an off delay (NO) output. The timer has 1/8 inch NPT ports.
The PT series timer combines a pneumatic timing mechanism with a floating spool valve assembly to provide a wide range of adjustable time control for fluid power systems. The timing assembly, which operates independently of the control pressure, is available in nine different ranges from one tenth of a second to 60 minutes, adjustable by means of a time-calibrated dial. Timing action is initiated by a motor diaphragm operated by a control pressure of from 5 to 140 PSIG.
The timer is equipped with a multi purpose 3 way output valve allowing it to be used as normally open, normally closed or as a diverter.
The PT is designed for panel or surface mounting. Panel mounted versions include a 3 13/16 inch square bezel while surface mounted units are equipped with a bracket for vertical mounting. If required, The PT can be specially calibrated for mounting horizontally.
On Delay Timer Operation Pilot pressure is applied to the control port to start timing. After the timer reaches its set time, the valve switches over. Removal of the pilot signal at any time resets the timer.
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