Summarized common features:
Open & Close application
24-240 VAC/ VDC supply voltages
Available by ISO flange connections
Available in fail safe applications
Design by or without springs
Manual Override included as standard
Optional Heater in case of limited low temperature applications
Ingress Protection IP66/67
On-site adjustable motor running time
Actuators are direct coupling
Standard design: alumínium body/ stainless steel body- as an option
Ambient temperature: -40 .. + 50 °C
Groups based on Zone Classes:
ExMax - Zone 1, 2, 21 ,22 actuators
RedMax- Zone 2, 22 actuators
both for gases, vapours, mists and dusts
InMax - can be used only safe/ non-hazardous zones
Sizes/ By and without spring return types:
Sizes: S and M - by and without spring l/ ESD valves (S ~within 1 sec/ M ~ within 3 sec)
Torques and stroke times:
Without spring types: 5 - 30 Nm/ 3..15..30..60..120 sec
Spring return types: 5-15 Nm/ 3..15..30..60..120 sec
Actuators for ESD applications: 8-15 Nm/ 3..15..30..60..120 sec - details from Schischek manufacture brochures
For all options above:
Control - open&close/ 3-point/ modulating ( by 4..20 mA) choices
Feedback - From external equipment (by end user/operator) - details from Schischek manufacture brochure
ISO valve connections are available by:
S sizes- 12 x 12 mm - square
M sizes- 16 x 16 mm - square
Further sizes by techncial advices/ guidance by manufacturer
Raw material & Enclosure:
ExMax actuators:
Standard/ SST solutions
Coating for onshore&offshore applications
RedMax and InMax actuators by standard enclosures only
Main applications in practice:
Valves for Venting applications - 5-150 Nm / by or without spring return/ stroke time: 1, 3, 10, 20 sec
Fire and fume dampers - 5-150 Nm / by or without spring return/ stroke time: 1, 3, 10, 20 sec
VAV - Controls ("Variable Air Volume"- system) - venting application examples like at modern office buildings , where the working temperature is approx. constant/ stable
Actuation of Ball Valves/ Butterfly Valves - by or without spring return/ stroke time: 1, 3, 10, 20 sec
ATEX types:
Zone 1, 2, 21, 22 - gases, dusts, Declarations as ATEX, IECEx, UL, CSA Classes
Zone 2, 22 - gases, dusts, Declarations as ATEX, IECEx, UL, CSA Classes
Ex d - actuators for flameproof enclosures
Delivery includes:
1 pc of Max (Ex..; Red..; In.. -types) actuators by 1,0 fm cable; allen key for manual override, 4 pcs of screws
Basic configuration:
24 .. 240 VAC/ DC Power Supply
5 different running time can be adjusted
90° +5° angle setting for rotation
100 % overload protection
Low temperature solution at -40 °C thanks to the available heater option
Accessories:
External auxiliary switches/ on-site adjustable by 2 potential free contact
Terminal boxes by 1 or 2 cable
Mounting bracket for terminal boxes
Manual Override connectable to actuators .... versions
