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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 size S | 5-30 Nm

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 size M | 30-150 Nm

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 mmIP66-40°…+40°C (at T6) / -40°…+50°C (at T5)Cable ca. 1 mL × W × H = 288 × 149 × 116 mmAlu ca. 9,5 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)

  • VAS (size S) version with housing material in stainless steel AISI 316, some parts nickel plated
  • VAMH-.. (size M) version in stainless steel enclosure V4A / AISI 316L /
    DIN EN 1.4404
  • Usage e.g. under extreme weather or harsh climate conditions

Special model 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 e.g. 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
  • Stainless steel enclosure housing VAMH-... for ExMax actuators size M
  • Weather shield in stainless steel for mounting on ExMax actuators
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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)