5
Service life of actuators
The.actuator.intended.for.shut-off.valves.must.be.able.to.perform.at.least.10,000.operating.cycles.
(C - O - C).
The.actuator.intended.for.regulating.purposes.must.be.able.to.perform.at.least.1.million.cycles.with.operation.time.
(during
which the output shaft is moving)
.at.least.250.hours..Service.life.in.operating.hours.
(h)
depends.on.load.and.number.of.swit-
ching..Not.always,.high.frequency.of.switching.influences.positively.accuracy.of.regulation..For.attaining.the.longest.possible.
faultless.period.and.service.life,.frequency.of.switching.is.recommended.to.be.set.to.the.lowest.number.of.switching.necessary.
for.the.given.process..Orientation.data.of.service.life.derived.from.the.set.regulation.parameters.are.shown.in.the.following.table.
Service.life.of.actuators.for.1.million.starts
..Service.life.[h].
830.
1.000.
2.000.
4.000
..Number.of.starts.[1/h].
.Max..number.of.starts.1200.
1.000.
500.
250
4. TECHNICAL DATA
Supply voltage of electric motor:
According.to.Table.1.
.1.x.230.V,.+10.%,.-15.%,.50.Hz.±2.%
.
3.x.230/400V,.+10.%,.-15.%,.50.Hz.±2.%
.
(or as shown on the motor rating plate)
Other.supply.voltage.for.electric.actuators.should.be.discussed.with.the.manufacturer.
Protective enclosure
Protective.enclosure.of.actuators:..
MODACT MOKED.
–.IP.67.according.to.ČSN.EN.60529.
Noise
Level.of.acoustic.pressure.A...
max..85.dB.
(A)
Level.of.acoustic.output.A...
max..95.dB.
(A)
Tripping torque
Tripping.torque.is.set.at.the.manufacturer.according.to.the.customer's.requirements.within.the.range.given.in.Table.No..1..
If.setting.of.tripping.torque.is.not.required.maximum.tripping.torque.of.the.required.type.number.of.the.electric.actuator.is.set.
Self-locking
The.actuators.are.self-locking..Self-locking.of.the.electric.actuators.is.ensured.by.a.mechanical.or.electromagnetic.
brake.of.the.electric.motor..
Sense of rotation
When.looking.at.the.output.shaft.in.the.direction.towards.the.control.box,.the.CLOSE.direction.of.rotation.is.identical.
with.the.clockwise.sense.
Working stroke
Rated.working.stroke.of.electric.actuator.is.90°.
Manual control
Manual.control.is.performed.directly.by.a.handwheel.
(without clutch).
.It.can.be.used.even.when.the.electric.motor.
is. running.
(the resulting motion of the output shaft is determined by the function of the differential gear).
When. the.
Run.time.N
Idle.time.R
Cycle.time
Course of working cycle
Mz.. starting.torque.≥.1,3...Mv.
.
Mstř.. mean.value.of.loading.torque..
Mv.. maximum.value.of.tripping.torque
