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LINEAR ACTUATORS This Duff-Norton product line of actuators features load capacities ranging from 27 pounds to 25 Tons, gear or belt driven, acme screw and ball screw systems with various AC and DC input voltages. Duff-Norton Linear Actuators are specially designed for a variety of commercial and industrial applications. These actuators are used for opening and closing, tilting and pivoting, lifting and lowering and positioning. Applications include gates, dampers, oven and processing tank doors, antennas, orthopedic tables and other medical equipment, ergonomic furniture, and agricultural equipment, etc. Custom designs are also available for special applications. Linear Actuators are now being used in place of pneumatics and hydraulics when high maintenance and environmental problems (leaking hydraulic oil) are a concern.
AC Voltage

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LS Series
LS Series
450 to 675 lbs
2,000 to 3,000 N

HMPB Series 250lb
HMPB Series 250lb
250 lbs. (1,112 N)
HMPB Series 500lb
HMPB Series 500lb
500 lbs. (2,224 N)
HSPB Series
HSPB Series
250 lbs. (1,112 N)
SPB Series
SPB Series
500 lbs. (2,224 N)


TAL Series
TAL Series
1000 lbs. (4,448 N)
SPA Series
SPA Series
1500 lbs. (6,672 N)
Modular Actuators
Modular Actuators
Rotating Machine Screw
Modular Actuators
Modular Actuators
Translating Tube
Machine Screw

Modular Actuators
Modular Actuators
Rotating Ball Screw
Modular Actuators
Modular Actuators
Translating Tub
Ball Screw
SCW02 & 03 Series
SCW02 & 03 Series
2 & 3 Ton (17 & 26.6 kN)
SCW05 Series
SCW05 Series
5 Ton (44.4 kN)


SCW10 Series
SCW10 Series
10 Ton (88.9 kN)
SCW20 Series
SCW20 Series
20 Ton (177.9 kN)
SCW25 Series
SCW25 Series
25 Ton (222 kN)
SCN03 Series
SCN03 Series
3 Ton (26.6 kN)
SCN06 Series
SCN06 Series
6 Ton (53 kN)
SCN12 Series
SCN12 Series
12 Ton (106.7 kN)
SCN25 Series
SCN25 Series
25 Ton (222 kN)


DC Voltage

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LT Series
LT Series
27 to 225 lbs.
(120 to 1,000 N)
<b>LS</b> Series
LS Series
450 to 675 lbs
2,000 to 3,000 N

TMD01 Series
TMD01 Series
100 lbs (444 N)
TMD02 Series
TMD02 Series
250 lbs. (1,112 N)
HMPD Series
HMPD Series
With Limit Switch
250 lbs. (1,112 N)


HMPD Series
HMPD Series
With Clutch
250 lbs. (1,112 N)
MPD Series
MPD Series
500 lbs. (2,224 N)
TAC Series
TAC Series
500 lbs. (2,224 N)
LSPD Series
LSPD Series
1500 lbs. (6,672 N)


Modular Actuators
Modular Actuators
Rotating Machine Screw
Modular Actuators
Modular Actuators
Translating Tube
Machine Screw

Modular Actuators
Modular Actuators
Rotating Ball Screw
Modular Actuators
Modular Actuators
Translating Tub
Ball Screw