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Hatfield and Company

Master Distributor of USI Technologies

Made in America

SmartStep X-Series

Hazardous-Location Electric Actuators with 0.3° Precision

Multi-turn capable with 100% modulation and SuperCap backup (>10-year life).
C1D2 (Groups A-D) • Up to 5000 in-lb • NEMA 4 • 6000+ starts/hour • ISO 5211 F07/F10
View Specs >

SmartStep S-Series

Multi-Turn Capable Precision Electric Actuators for Valve Automation

Robust design engineered for 100% Modulation, 100% Continuous Duty Cycle and Open/Close operation.
UL/CUL and CE approved with Class 1, Division II, Group A, B, C, and D Hazardous Location Rating
View Specs >

SmartStep R-Series

Rugged Precision Electric Actuator for Valve Automation

Robust design engineered for 100% Modulation, 100% Continuous Duty Cycle and Open/Close operation.
UL/CUL and CE approved with Class 1, Division II, Group A, B, C, and D Hazardous Location Rating
View Specs >

Reduce downtime. Speed commissioning. Prove compliance.

USI electric actuators provide precise position control (0.3° with MODBUS or 0.5° with 4-20 mA), high duty endurance (6000+ starts per hour), and rugged enclosures for harsh sites. Hatfield and Company adds pre-spec assistance, stocking, and phone support so your team can select the right unit the first time and deploy quickly.

Accuracy and control

0.3° with MODBUS or 0.5° with 4-20 mA

Interfaces: MODBUS RTU or TCP,
4-20 mA, 0-10 V

Programmable analog feedback on XT

Reliability and endurance

6000+ starts per hour for frequent cycling

Permanently lubricated drivetrain
for low maintenance

SuperCap backup to support a safe
position on power or signal loss

Operating temperature: X Series
-40 to 140°F, XT -22 to 140°F

Safety and environment

X Series hazardous location: Class I,
Division II (Groups A-D)

Enclosures: NEMA 4 for X Series,
NEMA 4X for XT

Mounting: ISO 5211 F07 or F10 on
X Series, 0.625″ Double-D shaft on XT

Contact Hatfield at usiactuators@hatfieldandcompany.com for sizing assistance and a streamlined process from specification to installation.

Built for these Environments

Oil and Gas / Petrochemical

Hazardous-location X-Series with C1D2 (A-D) and 0.3° precision for valve automation.

Water and Wastewater

Precise modulating control and programmable feedback for plants and lift stations.

Industrial OEMs

XT actuators and custom controllers for compressors, car wash, and packaging systems.

PRODUCT HIGHLIGHTS
SmartStep™ X-SERIES

Hazardous-location rated as standard, multi-turn capable, and built for continuous duty.

– Class I, Division II (Groups A-D) hazardous-location standard
– 0.3° (MODBUS) or 0.5° (4-20 mA) precision
– Up to 5000 in-lb torque, 100% modulation
– 6000+ starts/hour; permanently lubricated drivetrain
– NEMA 4 cast-aluminum enclosure; ISO 5211 F07/F10
– Operating temperature -40 to 140°F; SuperCap backup option

Learn more >

Specifications:

– Torque: 500, 1200, 2500, 5000 in-lb
– Accuracy: 0.3° (MODBUS) or 0.5° (4-20 mA)
– Control: 4-20 mA, 0-10 V, MODBUS RTU/TCP
– Enclosure: NEMA 4 (cast aluminum)
– Mounting: ISO 5211 F07/F10
– Starts per hour: >= 6000
– Temperature: -40 to 140°F

PRODUCT HIGHLIGHTS

S-Series

Robust design engineered for 100% Modulation, 100% Continuous Duty Cycle and Open/Close operation
Key Features:

– UL/CUL and CE approved with Class 1, Division II, Group A, B, C, and D Hazardous Location Rating
– SuperCap Backup option provides enough power for at least 90° stroke during power or signal loss, has a life expectancy greater than 10 years!
– Maintenance-free; low cost of ownership
– Easily calibrate and setup end points in a matter of seconds
– ISO 5211 direct mounting for F05, F07, and F10 compatible valves
– Power input modules support 12-24VDC, 24VAC, or 100VAC to 240VAC
– Unlimited programmable cycle span. Multi-turn capable!
– Manual override available
– Common Firmware base; consistent user experience across models
– Modular Design: SuperCap and Electronic Controllers are field replaceable in minutes!
– 2-year parts warranty covers actuator under standard usage

 

PRODUCT HIGHLIGHTS

R-Series

Robust design engineered for 100% Modulation, 100% Continuous Duty Cycle and Open/Close operation
Key Features:

– Robust design engineered for 100% Modulation, 100% Continuous Duty Cycle and Open/Close operation.
– UL/CUL and CE approved with Class 1, Division II, Group A, B, C, and D Hazardous Location Rating.
– SuperCap Backup op􀀕on provides enough power for at least 90° stroke during power or signal loss, has a life expectancy
greater than 10 years!
– Maintenance-free; low cost of ownership.
– Easily calibrate and setup end points in a matter of seconds.
– ISO 5211 direct moun􀀕ng for F05 and F07 compatible valves.
– Power input modules support 12-24VDC, 24VAC3, or 100VAC to 240VAC.
– Unlimited programmable cycle span.
– Manual override available.
– Common Firmware base; still uses the same underlying firmware as the X and S series.
– Modular Design: SuperCap and Electronic Controls are field replaceable in minutes!
– 2-year parts warranty covers actuator under standard usage.
– Physical lockout switch disables the buttons for extra security & vibration/noise resistance.

Hatfield has you covered!

18 Offices • 9 States • Regional Field Support • USI Manufacturing: AOI 100% Inspection • Engineer-to-Engineer Help

Frequently Asked Questions

Is X-Series hazardous-location rated?
Yes – Class I, Division II (Groups A-D) standard
What accuracy can I expect?
0.3° with MODBUS and 0.5° with 4-20 mA on X-Series and XT.
What happens on power loss?
SuperCap backup supports a safe position strategy; lifespan typically >10 years.
How many starts per hour?
Both families can exceed 6000 starts per hour.

Talk to an Automation Specialist – Call 800-879-9191