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3/2 Way Mini Piezo Valve

 
Piezo-cermamic chip bended when excitated by voltage, it has no heating elements, more than 60 million life times . Small dimension 30x19x7.7mm with 6g weight. Output a proportional pressure from -1.0 to 1.2bar and provide max. 1.5L/Min flow rate. Ultra low power consumption at 10μA/24V when action and 0μA keeping and 2ms response time, it can be used for pilot of pressure / vacuum / flow control valve.

3/2 Way Mini Piezo Valve
The central element is a Piezo-ceramic bending element which is built up of several layers, rather like a bimetallic strip. When an electrical voltage is applied, this element bends a few hundredths of a millimetre. This bending allows air to enter the piezo valve through port 1 to port 2 (Fig. 2). In the unactuated mode, the air can flow from port 2 to port 3 (Fig. 1). Depending on the voltage applied, the lesser or greater bending of the element generates an analogue pressure signal at port 2. The piezo valve can therefore be used either as a switching valve or as a proportional valve. Optimized versions for either switching or proportional use are available.
 
3/2 Way Mini Piezo Valve
Standard Versions                                Special Versions 
Proportional valve                                  Special pressure ranges on request  
Switching valve     

Characteristics                             Pressures are quoted as gauge pressure
Characteristics Symbol Unit Description
General Features
System     Directly actuated 3/2 way poppet valve with Piezoactor, overlaping, normally closed (NC)
Housing     Plastic
Mounting     Flange (see dimensional drawing)
Port size     = NW 0.33
Weight   g 6
Flow direction     On: from 1 to 2
Off: from 2 to 3
Installation position     in any position

Ambient
temperature range

Vmin
Vmax
°C
°C

-10
60

Note:
When using below freezing point it is
necessary to consult us.
(-30°C to +80°C on request)
Pneumatic Characteristics
Operating pressure PN bar 1.2 (other pressures between 0 and 2.0 bar on request)
Nominal flow@20℃ QN l/min 1.5
Medium     Filtered air (5μ) *
- dewpoint 10K under ambient temperature
Leakage@20℃ QL l/min On: 0.15 max
Off: 0.10 max
Electrical Characteristics
Operating voltage UL V +/-24 DC  
control advice to be considered
Capacity C nF < 100
Switching energy E mWs 0.029      24VDC/10μA
Holding energy P W 0             0μA 
Switching time t ms < 2
Connection     Contact pins – Ø0.8 mm
 * other fluids on request
3/2 Way Piezo Miniature Valves and Pilot Valves - Series P9
Description Symbol
 
Order Instructions
Type Order No.
Switching valve, normally closeed (+pole on the left side) 3/2 Way Mini Piezo Valve P9-NG-S-L PS11010-11L
Proportional valve, normally cloesed (+pole on the right and left side) 3/2 Way Mini Piezo Valve P9-NG-P-LR PS11010-31LR
3/2 Way Mini Piezo Valve