Products | Electric quarter turn damper actuators ExMax
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
Control-
damper
Exhaust-
damper
VAV-control
Flow rate
control
Butterfly-
damper
Air damper
for Fire and
Smoke protection
Butterfly
valve
Shut off
valve
Ball valve
Mixing valve
Pigging technology
Technical building equipment
Industry
Chemistry
Pharmacy
Offshore
Onshore
Ship building
Spraying and drying systems
Silos
Landfills
Water treatment
Biogas plants
Hydrogen technologies
90° ¼-turn actuators ExMax size S
Zone 1, 2, 21, 22 | 5-30 Nm | On-off, 3-pos | IP66
Stainless steel version ExMax-...-VAS
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
Technical data
Torque*Power supply, self adaptableFrequencyAngle of rotationMotor running time adjustableSpring return*Control mode*Feedback*Squared shaft connectionHousing protectionAmbient temperaturePower supplyMeasurementsWeightExplosion proof for allInstallation areaCertification*dependent by Type
ExMax size S
5-30 Nm24-240 V AC / DC50-60 HZ95°3,15,30,60,120 sec/90°~ 1, 3, 10 sec/90°(dependent by type)On-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
to the technical data sheets
Stainless steel version ExMax-...-VAM
Offshore/Marine
Coating
ExMax-...-CTM
Technical data
TorquePower supply, self adaptableFrequencyAngle of rotationMotor running time adjustableSpring return*Control mode*Feedback*Squared shaft connectionHousing protectionAmbient temperaturePower supplyMeasurementsWeightExplosion proof forInstallation areaCertification*dependent by Type
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 mmIP67-40°…+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 onlyDelivery – 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, screws in stainless steel
- 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, screws in stainless steel
- 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
- Angle rotation limiter
- 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
