Pneumatic Timers

Precise timing of pneumatic pressure signals e.g. in fire protection systems

KENDRION pneumatic timers are used for the precise time control of pressure signals.

The KENDRION pneumatic timers are special supplementary products, which are used as valves with switch-on delay or switch-off delay. KENDRION pneumatic timers do not use any electrical components and thus are usable even in sensitive environments.

KENDRION pneumatic timers can be applied if theprecise time controlof pneumatic pressure signals is essential or if no electrical powersupply is available or permitted.

The time control of KENDRION pneumatic timers for switch panel mounting is made by acentrifugal force driven rotor system with reduction gear. After presetting time delay, the integrated 5/2-way spool valve switches (switch-on or switch-off) independently of the pressure level.

KENDRION pneumatic timers are available in six different time intervals between 0.3 seconds up to 100 hours.

In KENDRION short interval timers time constancy is realized by an adjustable vacuum principle, that also works independently of pressure level. KENDRION short interval timers use a 3/2-way poppet valve in NC (normally closed) or NO (normally open) position and are available in three time intervals ranging from 0.5 seconds to 180 seconds.

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Benefits at a glance

  • Pressure independence
  • Simple to use
  • With close center function

General Technical Specifications

Time range of setting 0.5 to 180 s, 0.3 s to 100 h
Relative timing error From ±1 to ±2% of end scale value
Valve type Poppet valve (spool valve)
Operation type Vacuum principle (rotor system)
Pressure range 1.5 to 8 bar (1.2 to 10 bar)

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Technical Data | Pneumatic Timers
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