EHF-B

Rotex EHF BASIC Actuator

Relay-based, self-contained electro-hydraulic scotch-yoke actuator for heavy-duty on/off applications with torque up to 3,000 Nm.

Industries served

Process Industries,Oil and Gas ,Machine Solutions,Power,Metal & Mining,Fire Fighting System,Water Management,Paper & Pulp,Cement,Nuclear Power,Fertilizer,Chemicals,Upstream,Midstream,Downstream,Thermal Power

Certificates

ATEXIECExSIL3

Relay-based electrical logic circuit with open/close signal feedback included.
Heavy-duty application with well-protected internal parts.
No exposed wiring or tubing; easy to install and commission.
Integrated oil-level indicator.
Truly self-contained design with scotch-yoke, hydraulic block, limit switch, motor and pump integrated into the actuator.
Double-acting as well as single-acting versions.
Torque up to 3,000 Nm.
High-performance motor and pump; spring chamber is used as an oil reservoir.
Over-travel and under-travel control of ±3 degrees.
Hydraulic manual override can be installed at a later stage; built-in sensor is available for position feedback.
ESD function is available; catalogue notes that bypassing ESD by exchanging two screws violates SIL certification and is intended as a commissioning feature.

Torque range50 to 3,000 Nm

ConstructionCarbon steel covers and aluminium body

Ingress protectionUp to IP67

ControlsIntegral; separate controller option up to 50 m

Ambient temperatureNB -20 °C to +70 °C; FS -50 °C to +70 °C

Motor24 VDC, totally enclosed within main housing

Duty ratingS1 continuous duty (1200 starts/hour); S4 intermittent duty (60 starts/hour)

Manual overrideHandwheel-operated manual gearbox

Vibration resistance1g (9.8 m/s²) at 10-500 Hz

Power supply24 VDC; 110/120 VAC and 220/240 VAC single-phase variants shown

Cable entriesM20 x 2 or 1/2” NPT x 2 standard configurations

PositionPotentiometer; pressure transducer; analogue control and feedback options

Limit switches2 mechanical SPDT standard, up to 4; proximity options shown

BrochuresEHF-COMPACT BASIC Actuator_Catalogue

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CertificationsECAS_EHF-COMPACT BASIC Actuator

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CertificationsBIS License_EHF-COMPACT BASIC Actuator

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CertificationsATEX 61565X_EHF-COMPACT BASIC Actuator

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CertificationsPED_EHF-COMPACT BASIC Actuator

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CertificationsIEC 61000_EHF-COMPACT BASIC Actuator

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CertificationsIP66 TEST REPROT_EHF-COMPACT BASIC Actuator

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CertificationsIP67 TEST REPROT_EHF-COMPACT BASIC Actuator

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CertificationsPESO_EHF-COMPACT BASIC Actuator

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CertificationsTR-CU_EHF-COMPACT BASIC Actuator

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CertificationsTR-CU_EHF-COMPACT BASIC Actuator

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CertificationsIECEx_EHF-COMPACT BASIC Actuator

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CertificationsSIL3_EHF-COMPACT BASIC Actuator

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Relay-based electrical logic circuit with open/close signal feedback included.
Heavy-duty application with well-protected internal parts.
No exposed wiring or tubing; easy to install and commission.
Integrated oil-level indicator.
Truly self-contained design with scotch-yoke, hydraulic block, limit switch, motor and pump integrated into the actuator.
Double-acting as well as single-acting versions.
Torque up to 3,000 Nm.
High-performance motor and pump; spring chamber is used as an oil reservoir.
Over-travel and under-travel control of ±3 degrees.
Hydraulic manual override can be installed at a later stage; built-in sensor is available for position feedback.
ESD function is available; catalogue notes that bypassing ESD by exchanging two screws violates SIL certification and is intended as a commissioning feature.

Request a Quote

Submit your application details to receive accurate pricing, lead time, and configuration options

EHF-B

Rotex EHF BASIC Actuator

Relay-based, self-contained electro-hydraulic scotch-yoke actuator for heavy-duty on/off applications with torque up to 3,000 Nm.

Industries served

Certificates

ATEXIECExSIL3

Relay-based electrical logic circuit with open/close signal feedback included.
Heavy-duty application with well-protected internal parts.
No exposed wiring or tubing; easy to install and commission.
Integrated oil-level indicator.
Truly self-contained design with scotch-yoke, hydraulic block, limit switch, motor and pump integrated into the actuator.
Double-acting as well as single-acting versions.
Torque up to 3,000 Nm.
High-performance motor and pump; spring chamber is used as an oil reservoir.
Over-travel and under-travel control of ±3 degrees.
Hydraulic manual override can be installed at a later stage; built-in sensor is available for position feedback.
ESD function is available; catalogue notes that bypassing ESD by exchanging two screws violates SIL certification and is intended as a commissioning feature.

Torque range50 to 3,000 Nm

ConstructionCarbon steel covers and aluminium body

Ingress protectionUp to IP67

ControlsIntegral; separate controller option up to 50 m

Ambient temperatureNB -20 °C to +70 °C; FS -50 °C to +70 °C

Motor24 VDC, totally enclosed within main housing

Duty ratingS1 continuous duty (1200 starts/hour); S4 intermittent duty (60 starts/hour)

Manual overrideHandwheel-operated manual gearbox

Vibration resistance1g (9.8 m/s²) at 10-500 Hz

Power supply24 VDC; 110/120 VAC and 220/240 VAC single-phase variants shown

Cable entriesM20 x 2 or 1/2” NPT x 2 standard configurations

PositionPotentiometer; pressure transducer; analogue control and feedback options

Limit switches2 mechanical SPDT standard, up to 4; proximity options shown

BrochuresEHF-COMPACT BASIC Actuator_Catalogue

Download

CertificationsECAS_EHF-COMPACT BASIC Actuator

Download

CertificationsBIS License_EHF-COMPACT BASIC Actuator

Download

CertificationsATEX 61565X_EHF-COMPACT BASIC Actuator

Download

CertificationsPED_EHF-COMPACT BASIC Actuator

Download

CertificationsIEC 61000_EHF-COMPACT BASIC Actuator

Download

CertificationsIP66 TEST REPROT_EHF-COMPACT BASIC Actuator

Download

CertificationsIP67 TEST REPROT_EHF-COMPACT BASIC Actuator

Download

CertificationsPESO_EHF-COMPACT BASIC Actuator

Download

CertificationsTR-CU_EHF-COMPACT BASIC Actuator

Download

CertificationsTR-CU_EHF-COMPACT BASIC Actuator

Download

CertificationsIECEx_EHF-COMPACT BASIC Actuator

Download

CertificationsSIL3_EHF-COMPACT BASIC Actuator

Download

Relay-based electrical logic circuit with open/close signal feedback included.
Heavy-duty application with well-protected internal parts.
No exposed wiring or tubing; easy to install and commission.
Integrated oil-level indicator.
Truly self-contained design with scotch-yoke, hydraulic block, limit switch, motor and pump integrated into the actuator.
Double-acting as well as single-acting versions.
Torque up to 3,000 Nm.
High-performance motor and pump; spring chamber is used as an oil reservoir.
Over-travel and under-travel control of ±3 degrees.
Hydraulic manual override can be installed at a later stage; built-in sensor is available for position feedback.
ESD function is available; catalogue notes that bypassing ESD by exchanging two screws violates SIL certification and is intended as a commissioning feature.

Request a Quote

Submit your application details to receive accurate pricing, lead time, and configuration options