3
Redefining Flow Control
Health and Safety
This manual is produced to enable a
competent user to install, operate,
adjust and inspect Rotork ROM valve
actuators.
Only persons competent by virtues of their training
or experience should install, maintain and repair
Rotork actuators. Work undertaken must be carried
out in accordance with the instructions in this and
any other relevant manuals.
The user and those persons working on this
equipment should be familiar with their
responsibilities under any statutory provisions
relating to the health and safety of their workplace.
Due considerations of additional hazards should
be taken when using the ROM actuators with
other equipment. Should further information and
guidance relating to the safe use of the ROM be
required, it will be provided on request.
Electrical installation, maintenance and use of these
actuators should be carried out in accordance with
the National Legislation and Statutory Provisions to
the safe use of this equipment, applicable to the site
of installation.
For the UK:
Electricity at Work Regulations 1989
and the guidance given in the applicable edition
if the “IEE Wiring Regulations” should be applied.
Also the user should be fully aware of his/her duties
under the Health and Safety Act 1974.
For the USA:
NFPA 70 National Electrical Code is
applicable.
The mechanical installation should be carried out as
outlined in this manual and also in accordance with
relevant standards such as British Standard Codes
of Practice.
Actuator may start and operate without
warning, depending on the remote control
signal status and configuration.
Important Notices
a. Make sure the voltage is correct before wiring.
b. Power off before distribution or for
maintenance purposes.
c. Seal the casing and conduit entries after wiring
to prevent dust or water contamination.
d. Do not install when hazardous or explosive
gases may be present.
e. When more than one electric actuator needs
to operate simultaneously, please connect with
the individual cables.
f. Please connect the ground wire to PE or
inside the electric actuator.
g. The warranty period of our product is one year.
Duty performance
ROM perform Class A for standard type as table
shown according to EN 15714-2:2009(E).
BS EN 15714-2:2009
EN 15714-2:2009(E)
Rated Torque Ranges
Nm
Class A
On-Off
(cycles per hour
*
)
Up to 125
15
126 - 1,000
10
*
One cycle consists of nominal 90
o
angular travel
in both directions (i.e. 90
o
to open +90
o
to close)
based on an average load of at least 30% of the
rated torque, with the ability to transmit 100%
of the rated torque for at least 5% at each end
of travel, with a cumulative operating time not
exceeding 15 minutes in one hour.
Table 6 Part-turn actuator duty performances
According to EN 15714-2:2009(E), duty performance
for ROM is described as follows:
For ROM A and ROM 1, 2:
15 cycles per hour
For ROM 3, 4, 5, 6:
10 cycles per hour
