Atex applications
from pi safety

pi safety: Your specialist for explosion protection made in Germany.

We offer our customers innovative electric actuators, transmitters and sensors for ATEX applications in potentially explosive atmospheres. Our EASY-SAFE-SMART concept guarantees simple installation, maximum safety and intelligent functionality.

Discover our reliable products for your demanding process and building automation tasks.

 

Actuators for applications in potentially explosive areas

<b>QT.Ex-M,</b> Electric Actuators, <br>explosion protected

QT.Ex-M, Electric Actuators,
explosion protected

  • ATEX / IECEx / UKEx / KC / INMETRO / EAC certified
  • Integrated terminal box
  • Ambient temperature -40…+70 °C
  • Optional control / feedback 0…10 V; 4…20 mA
  • IP66
  • For use in Zone 1, 2, 21, 22
  • Stainless steel / polymer compound material for highest
  • Corrosion resistance
  • Optional safety setting / spring return
Stellantrieb-EX-SAS

Technical data

Specification II2(1)G Ex db eb ib mb [ia Ga] IIC T4 Gb
II2(1)D Ex tb [ia Da] IIIC T130°C Db
II2 G Ex h IIC T4 Gb
II2 D Ex h IIIC T130 °C Db
Manufacturer pi safety components
Auxiliary Switch 5° / 80° switching points max
250 V / 0.1 A  min. 5 V / 5 mA
Rotation Angle 95° (5° pre-tension)
Axis Mount 12 x 12 mm (double square)
Power Consumption 5 W / 7 VA Holding position
20 W / 30 VA Motor
30 VA / 2 A  Dimensioning
Humidity Range 0...95% r.H. without condensation
Temperature Range -40...+70°C
Housing Material High-tech polymer
Halogen- and silicone-free
Housing Protection IP66
Dimensions Approx. 320 x 120 x 85 mm

TR.Ex & IY.Ex Sensors with analog output for applications in potentially explosive areas

<b>TR.Ex</b> Transducer,<br>explosion protected

TR.Ex Transducer,
explosion protected

Specifications:

  • II2(1)G Ex eb mb ib [ia Ga] IIC T4 Gb
    II2(1)D Ex tb ib [ia Da] IIIC T130°C Db
  • Universal transmitter for installation in Zone 1 / 2 / 21 / 22
  • Ambient temperature -40…+70°C
  • IP66
  • Temperature class T4 for all gases and dusts
  • Locally configurable; Display
  • Stainless steel / polymer compound material
  • For highest corrosion resistance
  • Feedback: 0...10 V or 4...20 mA
  • No additional barrier required in control cabinet
  • LED status indicator
  • Easy installation
  • 24 VAC / DC
  • For IY.Ex sensors
Messumformer-EX-IY

IY.Ex Sensors

Specifications:

  • II 1/2G Ex ia IIC T6/T5/T4 Ga/Gb
    II 2D Ex ia IIIC T75°C-T145°C Db
  • Intelligent sensor concept for connection
    (M12 connector) to TR.Ex universal Ex-transducer
  • Stainless steel / polymer compound material
    for maximum corrosion resistance
  • Fast sampling rate up to 125 ms
    for pressure sensors
  • Room sensor for dircect connection
  • For measuring in zone 0, 1, 2, 21, 22
  • Other sensors with M12 sensor cable
    (1 Meter included, other lengths available)
  • For use with Tr.Ex Transducer

SW.Ex Sensors with binay output for applications in potentially explosive areas

<b>SW.Ex</b> Switching Relais, <br>explosion protected

SW.Ex Switching Relais,
explosion protected

Specifications:

  • II2(1)G Ex eb mb ib [ia Ga] IIC T4 Gb
    II2(1)D Ex tb ib [ia Da] IIIC T130°C Db
  • Universal Ex switch amplifier for installation in Zone 1 / 2 / 21 / 22
  • Two configurable switching points / relay outputs
  • Ambient temperature -40…+70 °C
  • IP66
  • Temperature class T4 for all gases and dusts
  • Adjustable hysteresis
  • Locally configurable, display
  • Stainless steel / polymer compound material for highest corrosion resistance
  • No additional barrier required in control cabinet
  • LED status indicator
  • Easy installation
  • 24 VAC / DC
  • For IR.Ex sensors
Schaltverstaerker-EX-IR

IR.Ex Sensors

Specifications:

  • II 1/2G Ex ia IIC T6/T5/T4 Ga/Gb
    II 2D Ex ia IIIC T75°C-T145°C Db
  • Intelligent sensor concept for connection
    (M12 connector) to SW.Ex universal Ex-transducer
  • Stainless steel / polymer compound material
    for maximum corrosion resistance
  • Room sensor for dircect connection
  • For measuring in zone 0, 1, 2, 21, 22
  • Other sensors with M12 sensor cable
    (1 Meter included, other lengths available)
  • For use with SW.Ex Transducer

AC.Ex, Volume Flow Controller for applications in potentially explosive areas

<b>AC.Ex,</b> Volume Flow Controller, <br>explosion protected

AC.Ex, Volume Flow Controller,
explosion protected

Specifications:

  • II2(1)G Ex eb mb ib [ia Ga] IIC T4 Gb
    II2(1)D Ex tb ib [ia Da] IIIC T130°C Db
  • in zone 1 / 2 / 21 / 22
  • Ambient temperature -40…+58°C
  • IP66
  • Temperature class T4 for all gases and dusts
  • Adjustable on site
  • Integrated, lighted display for measured value indication
  • Stainless steel / polymer compound material
    for maximum corrosion resistance
Elektrische-Regler-EX-IY

QT.Ex and IY.Ex

Specification:

  • Feedback: 0...10 V oder 4...20 mA
  • No further barrier required in the control cabinet
  • LED status indication
  • 24 VAC / DC
  • For use with IY.Ex-Sensors
  • Setpoint specification: 0...10 V oder 4...20 mA
  • Low power consumption < 3 W
  • Measured value recording in zone 0
  • Cable length from transmitter to sensor up to 100 m
  • Integrated Ex e terminal box
  • Alarm contact potential-loaded