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Products | Electric quarter turn damper actuators ExMax Schischek GmbH Explosionproof Ex..Red..In..

Fail Safe, Spring Returned, Quarter Turn Actuators ExMax for Damper Actuation in Hazardous Locations
ATEX 2014/34/EU | Explosion proof | zone 1, 2, 21, 22

Quarter turn actuator on Air damper, Control damper, Exhaust damper

Control-
damper
Exhaust-
damper

Quarter turn actuator for VAV-control

VAV-control

Quarter turn actuator for Flow rate control, Butterfly damper

Flow rate
control
Butterfly-
damper

Quarter turn actuator on Air damper for Fire and smoke protection

Air damper
for Fire and
Smoke protection

Quarter turn actuator on Butterfly valve, Shut off valve

Butterfly
valve
Shut off
valve

Quarter turn actuator for Ball valve, Mixing valve, Pigging technology

Ball valve
Mixing valve
Pigging technology
     

Technical building equipment

Technical building equipment

Industry, Chemistry, Pharmacy

Industry
Chemistry
Pharmacy

Offshore, Onshore, Ship building

Offshore
Onshore
Ship building

Spraying and drying systems, Silos

Spraying and drying systems
Silos

Landfills, Water treatment, Power plants, Biogas plants

Landfills
Water treatment
Biogas plants

Hydrogen technologies

Hydrogen technologies
     

ExMax-S Quarter turn actuators size S

90° ¼-turn actuators ExMax size S
Zone 1, 2, 21, 22 | 5-30 Nm | On-off, 3-pos | IP66

ExMax-...-CTS with seawater resistant offshore/marine coating

Offshore/Marine
Coating
ExMax-...-CTS

Description – Electric 90° quarter turn actuator ExMax

  • ExMax quarter turn respective damper actuators are, in accordance with type, for automation of air dampers, fire and smoke dampers, volume control, as well as for ball valves, throttle valves and other quarter turn armatures.
  • Installation in explosion proof areas (Ex area, hazardous locations) in
    zone 1, 2, 21, 22
  • W/o or with spring return (fail safe version)
  • Optional available in stainless steel or with offshore/marine coating

ExMax size S

5-30 Nm24-240 V AC / DC50-60 HZ95°3,15,30,60,120 sec/90°1, 3, 10 sec/90° selectableOn-off, 3-pos, 0-10 V DC, 4-20 mA0-10 V DC, 4-20 mA12 x 12 mmIP66-40°…+40°C (at T6) / -40°…+50°C (at T5)Cable ca. 1 mL × W × H = 210 × 95 × 80 mmAlu ca. 3,5 kg, VA ca. 7 kggases, mists, vapours, dustzone 1, 2, 21, 22ATEX, IECEx, EAC, INMETRO, KOSHA, UL¹, CSA¹¹ ...-A version only
ExMax-M Quarter turn actuators size M

90° ¼-turn actuators ExMax size M
Zone 1, 2, 21, 22 | 30-150 Nm | On-off, 3-pos | IP67

ExMax-...-CTM with seawater resistant offshore/marine coating

Offshore/Marine
Coating
ExMax-...-CTM

ExMax size M

30-150 Nm24-240 V AC / DC50-60 HZ95°40,60,90,120,150 sec/90°3, 20 sec/90° selectableOn-off, 3-pos, 0-10 V DC, 4-20 mA0-10 V DC, 4-20 mA16 x 16 mmIP66 / IP67-40°…+40°C (at T6) / -40°…+50°C (at T5)Cable ca. 1 mL × W × H = 288 × 149 × 116 mmAlu ca. 9,5 kg, VA ca. 15 kggases, mists, vapours, dustzone 1, 2, 21, 22ATEX, IECEx, EAC, INMETRO, KOSHA, UL¹, CSA¹¹ ...-A version only

Delivery – ExMax (size S or M)

  • 1 × Actuator with 1 m cable
  • 1 × Allen key for manual override
  • 4 × Screws for mounting

Special models – ExMax-...-BF (size S or M)

  • Actuators for fire dampers (ExMax-...-BF) + safety temperature trigger
    ExPro-TT-..

Special models in stainless steel – ExMax-...-VAS / VAM (size S or M)

  • Corrosion-resistant housing material in stainless steel similar AISI 316, some parts nickel plated
  • Usage under extreme weather or harsh climate conditions

Special models painted (coated) – ExMax-...-CTS / CTM (size S or M)

  • Aluminium housing with seawater proof offshore/marine coating, resistant against corrosive and maritime atmosphere, some parts nickel plated
  • Suitable for offshore or onshore applications

Accessories / Options – ExMax (size S or M)

  • External, adaptable, on site adjustable switches
  • Mounting clamp for round damper shaft (only for ExMax size S)
  • Ex-e Terminal box
  • Adaptations for butterfly or ball valves
  • Mounting bracket
  • Cable glands in brass nickel plated
  • Weather shield in stainless steel for mounting on ExMax actuators
  • Heating system ExPolar for use with ExMax actuators under low temperatures down to −50 °C
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Colour Code

ATEX products for
zone 1, 2, 21, 22
(e.g. ExMax+LIN)

ATEX products for
zone 2, 22
(e.g. RedMax+LIN)

Products for
safe area
(e.g. InMax+LIN)

Offshore/Marine
Coated versions
(e.g. ..Bin..-CT / OCT)

Stainless steel versions AISI 316
(e.g. ExCos-V)