failsafe springpowered failsafe

SPECIFICATION
Certification
ATEX II 2G Eex dm IIB T3 (T amb -35° to +60°C) Approval Pending
(See operating temperature).
FM Class I, Zone1 AEx dm IIB T3 (Ta -35 o C to +60 o C) Approval
Pending
CSA - Approval Pending
IEC - Approval Pending
(See operating temperature)
Safety Integrity: - Designed to SIL 2
Enclosure: Watertight to IP68 / NEMA 6, double sealed protection
with separate cable gland and termination compartment.
Materials
Control Module: Aluminium (BS 1490 Grade LM25
Actuator Body: Anodised Aluminium
Actuator Springs: Corrosion protected spring steel
Switchbox: Aluminium (GaiSi 10Mg Din 1725/2).
Mounting Bracket: Steel.
Piping:
316 Stainless Steel (hard piped).
Paint Finish: Standard 2 Pack Epoxy silver grey (150microns
thick).
Mechanical
Operating
Temperature:
Standard –20°C to +60°C (-4°F to 140°F).
Optional –40°C to +60°C (-40°F to 140°F)
(See table 7 Hydraulic fluid).
Torque / Speed: See Key code table (page 3).
Stroke: 0° to 92°, adjustable between 80° and 92
Weight: See dimensional detail (page 2).
Failure Mode:
Action:
Hydraulic Fluid:
Fail-safe in the direction of the spring or
Fail in last position.
Spring return clockwise or anti-clockwise Code (A).
Standard 10c.st mineral oil optional
20c.st silicone oil or 15c.st bio-degradable oil
Maximum Working Pressure: - 12 bar. (174lbf/in 2 )
Pump Output: 17cc/sec at 5.5 bar at 50Hz.
Manual Override: Optional gearbox
Internal pressure transmitter: - 0-16Bar.Display indicate in 10psi
increments.
Mounting: Vertical or horizontals (see table 8)
Electrical
Electrical Supply: Single phase, 3-phase and 24vdc see table 3
Supply Tolerance: Supply voltage ± 10%, frequency 50/60 Hz ±5%
Power Consumption: 230Vac - 305VA(156watts), 110Vac 374VA
(190 watts) reducing to 15VA(6watts) in balanced
state. ESD option add 23VA (10.5watts)
3- phase consult factory
Pump coil protection: Cutout +110 o C (230 o F)
Thermal fuse +130 o C (266 o F)
Cable Entries: Four entries threaded M20 x 1.5P or ½” NPT.
Position Feedback: 1K ohm. Conductive Plastic.
Remote Digital inputs:-Open, Close, maintain,ESD and Partial
Stroke – 24Vdc or 110vac 5mA minimum
duration 300ms.
Limit Switches: Two Electro mechanical SPDT volt free
switches. Rating 5A) minimum at 230Vac
(Table 9 accessories).
Local controls: Lockable Local/ Stop/ Remote selector switch
and local Open / Closed switch. Totally sealed
with internal reed switches
Non-intrusive setting: -
Sealed control module with infrared setting from the
Rotork standard Setting Tool. All values are held within
EEPROM to maintain settings within the memory on
power failure.
Display: -
Rotork LCD display with large segments to allow viewing
of the valve position, internal pressure and diagnostics
screens.
LED’s are provided to indicate limits and intermediate
state in the remote mode.
Function Settings: - Deadband, Hysteresis and Partial stroking
adjustable 0 to 9.9%
Control
Control Options: Digital ( Two position),.Emergency shutdown and
Partial stroking
Modulating, - input/output 4-20mA or 0-10Vdc.
Output:- 4-20 or 20-4mA, powered internally by an isolated
24Vdc supply or external customer supply.
Resolution:
Repeatability: