Products | Electric quarter turn damper actuators ExMax
![Schischek GmbH Explosionproof](../img_layout/schischek-colour-code.gif)
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 Quarter turn actuator on Air damper, Control damper, Exhaust damper](../produkte_img/exmax_jalousieklappe.jpg)
Control-
damper
Exhaust-
damper
![Quarter turn actuator for VAV-control Quarter turn actuator for VAV-control](../produkte_img/exmax_volumenstrom.jpg)
VAV-control
![Quarter turn actuator for Flow rate control, Butterfly damper Quarter turn actuator for Flow rate control, Butterfly damper](../produkte_img/exmax_rohrklappe.jpg)
Flow rate
control
Butterfly-
damper
![Quarter turn actuator on Air damper for Fire and smoke protection Quarter turn actuator on Air damper for Fire and smoke protection](../produkte_img/exmax_brandschutzklappe.jpg)
Air damper
for Fire and
Smoke protection
![Quarter turn actuator on Butterfly valve, Shut off valve Quarter turn actuator on Butterfly valve, Shut off valve](../produkte_img/exmax_drosselklappe.jpg)
Butterfly
valve
Shut off
valve
![Quarter turn actuator for Ball valve, Mixing valve, Pigging technology Quarter turn actuator for Ball valve, Mixing valve, Pigging technology](../produkte_img/exmax_kugelhahn.jpg)
Ball valve
Mixing valve
Pigging technology
![Technical building equipment Technical building equipment](../images/technische-gebaedeausr.jpg)
Technical building equipment
![Industry, Chemistry, Pharmacy Industry, Chemistry, Pharmacy](../images/industrie.jpg)
Industry
Chemistry
Pharmacy
![Offshore, Onshore, Ship building Offshore, Onshore, Ship building](../images/offshore.jpg)
Offshore
Onshore
Ship building
![Spraying and drying systems, Silos Spraying and drying systems, Silos](../images/silos.jpg)
Spraying and drying systems
Silos
![Landfills, Water treatment, Power plants, Biogas plants Landfills, Water treatment, Power plants, Biogas plants](../images/klaeranlage.jpg)
Landfills
Water treatment
Biogas plants
![Hydrogen technologies Hydrogen technologies](../images/wasserstofftechnologie.jpg)
Hydrogen technologies
![ExMax-S Quarter turn actuators size S](../images/exMax-S_head.gif)
90° ¼-turn actuators ExMax size S
Zone 1, 2, 21, 22 | 5-30 Nm | On-off, 3-pos | IP66
![Quarter turn actuator ExMax size S for Ex-areas zone 1, 2, 21, 22 Quarter turn actuator ExMax size S for Ex-areas zone 1, 2, 21, 22](../produkte_img/ExMax-S.jpg)
![Ex-area zone 1, 2, 21, 22](../images/ex_30px.gif)
![ExMax-...-VAS in stainless steel (similar AISI 316) ExMax-...-VAS in stainless steel(similar AISI 316)](../produkte_img/ExMax-VAS.jpg)
Stainless steel version ExMax-...-VAS
![ExMax-...-CTS with seawater resistant offshore/marine coating ExMax-...-CTS with seawater resistant offshore/marine coating](../produkte_img/ExMax-CTS.jpg)
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![Quarter turn actuator ExMax size M for Ex-areas zone 1, 2, 21, 22 Quarter turn actuator ExMax size M for Ex-areas zone 1, 2, 21, 22](../produkte_img/ExMax-M.jpg)
![Ex-area zone 1, 2, 21, 22](../images/ex_30px.gif)
![ExMax-...-VAM in stainless steel (similar AISI 316) ExMax-...-VAM in stainless steel (similar AISI 316)](../produkte_img/ExMax-VAM.gif)
Stainless steel version ExMax-...-VAM
![ExMax-...-CTM with seawater resistant offshore/marine coating ExMax-...-CTM with seawater resistant offshore/marine coating](../produkte_img/ExMax-CTM.jpg)
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