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HNL INSTRUMENTS & CONTROLS
982 series rotary positioner
Specification and options Download pdf datasheet(251K)
- 0.2 - 1.0 bar (3 - 15 psi) control signal
- Supply pressure up to 10 bar
- Suitable for double-acting or single- acting (spring return) actuators
- Robust and reliable
- Stainless steel or aluminium
HNL’s Series 982 pneumatic positioner
may be used to control the drive shaft rotation of double-acting or
single-acting rotary actuators. A control signal of typically 0.2 to
1.0 bar provides proportional movement of the drive shaft.
The positioner can be easily
configured to provide either clockwise or anti-clockwise rotation for a
rising control signal (direct acting or reverse acting).
In addition to providing a high degree of reliability, the positioner
has the advantage of being able to operate with supply pressures up to
10 bar, and with indifferent quality air supplies.
The positioner housing is available in aluminium with epoxy paint
finish, EFC (composite) or 316 stainless steel. The pilot and switch
blocks are manufactured in anodised aluminium or stainless steel.
The standard control signal for the positioner is 0.2 to 1.0 bar (3-15
psi). Both the zero and span adjustments are readily accessible
allowing for on-site calibration. The standard positioner is suitable
for a wide range of rotary actuators. The speed of operation is a
function of the actuator size; for larger actuators where speed of
operation may be slow a high gain positioner is recommended.
The positioner is generally mounted to the actuator using a ‘U’ shaped
bracket. A drive shaft extension may also be required between the
output shaft of the actuator and the input shaft of the positioner to
provide feedback of the actuator position.
The Series 980 positioner can be supplied on its own or alternatively
HNL will undertake the fitting, piping, calibrating and testing of
positioners to all suitable rotary actuators.
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HAMALL PROCESS INSTRUMENTS, DEVONPARK MILLS, ALEXANDRA STREET, TILLICOULTRY, CLACKMANNANSHIRE, SCOTLAND, UK. FK13 6HP
TEL NO : 44 (0)1259 753753 FAX NO : 44 (0)1259 752770
 sales@hamall.co.uk |
