Spartan Valves ME-4840 Actuator
The Spartan Valves ME-4840 Actuator is a field-proven 24V spring return proportional actuator engineered for precise modulation of zone and terminal unit valves. This microprocessor-based control unit operates on a 2-10VDC input signal, providing reliable normally open (stem up) fail-safe positioning upon power loss. High-torque performance is delivered via an AC hysteresis brushless motor, ensuring consistent 28lbs (120N) of force for hot water, chilled water, and low-pressure steam applications. Built for the rigors of commercial HVAC control systems, the ME-4840 features a quadrature optical encoder for drift-free positioning and an automatic self-test/re-span function at every power-up. The 1-5VDC feedback signal allows for remote monitoring of the valve stroke, while its compact Power Cube design permits installation at any angle up to the horizontal. This modulating valve actuator is fully compatible with Spartan 2, 3, and 4-port valve bodies using EB or EV balanced cartridges, making it a versatile choice for building automation retrofits.
Key Benefits- Fail-Safe Reliability: Mechanical spring return normally open operation ensures the system fails to a safe state during power interruptions.
- Precise Modulation: Advanced microprocessor control interprets 0-10VDC or 2-10VDC signals with a tight 0.15V dead band for accurate flow adjustment.
- Maintenance-Free Design: The brushless motor and optical feedback system eliminate the need for periodic calibration and prevent positional drift.
- Field Flexibility: On-board jumpers allow for direct or reverse acting configurations and 4-20mA signal compatibility if required.
Is this actuator compatible with other valve brands?
The ME-4840 is optimized for Spartan zone valve bodies. While the M30 x 1.5mm thumbnut is a standard size, we recommend verifying the 4mm stroke and stem force requirements for non-Spartan bodies to ensure proper close-off.
Can I install this actuator terminal-side down?
No. For long-term reliability and to prevent moisture ingress, the actuator should be installed vertically or at an angle not exceeding the horizontal. Avoid mounting with the back facing directly up or down.
How do I monitor the actual valve position?
The green wire provides a 1-5VDC feedback signal. A 1V reading typically represents the stem in the up (open) position, while 5V indicates the stem is fully down.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $275.24
-65%$275.24
$96.33Spartan Valves ME-4840 Actuator
The Spartan Valves ME-4840 Actuator is a field-proven 24V spring return proportional actuator engineered for precise modulation of zone and terminal unit valves. This microprocessor-based control unit operates on a 2-10VDC input signal, providing reliable normally open (stem up) fail-safe positioning upon power loss. High-torque performance is delivered via an AC hysteresis brushless motor, ensuring consistent 28lbs (120N) of force for hot water, chilled water, and low-pressure steam applications. Built for the rigors of commercial HVAC control systems, the ME-4840 features a quadrature optical encoder for drift-free positioning and an automatic self-test/re-span function at every power-up. The 1-5VDC feedback signal allows for remote monitoring of the valve stroke, while its compact Power Cube design permits installation at any angle up to the horizontal. This modulating valve actuator is fully compatible with Spartan 2, 3, and 4-port valve bodies using EB or EV balanced cartridges, making it a versatile choice for building automation retrofits.
Key Benefits- Fail-Safe Reliability: Mechanical spring return normally open operation ensures the system fails to a safe state during power interruptions.
- Precise Modulation: Advanced microprocessor control interprets 0-10VDC or 2-10VDC signals with a tight 0.15V dead band for accurate flow adjustment.
- Maintenance-Free Design: The brushless motor and optical feedback system eliminate the need for periodic calibration and prevent positional drift.
- Field Flexibility: On-board jumpers allow for direct or reverse acting configurations and 4-20mA signal compatibility if required.
Is this actuator compatible with other valve brands?
The ME-4840 is optimized for Spartan zone valve bodies. While the M30 x 1.5mm thumbnut is a standard size, we recommend verifying the 4mm stroke and stem force requirements for non-Spartan bodies to ensure proper close-off.
Can I install this actuator terminal-side down?
No. For long-term reliability and to prevent moisture ingress, the actuator should be installed vertically or at an angle not exceeding the horizontal. Avoid mounting with the back facing directly up or down.
How do I monitor the actual valve position?
The green wire provides a 1-5VDC feedback signal. A 1V reading typically represents the stem in the up (open) position, while 5V indicates the stem is fully down.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Spartan Valves ME-4840 Actuator is a field-proven 24V spring return proportional actuator engineered for precise modulation of zone and terminal unit valves. This microprocessor-based control unit operates on a 2-10VDC input signal, providing reliable normally open (stem up) fail-safe positioning upon power loss. High-torque performance is delivered via an AC hysteresis brushless motor, ensuring consistent 28lbs (120N) of force for hot water, chilled water, and low-pressure steam applications. Built for the rigors of commercial HVAC control systems, the ME-4840 features a quadrature optical encoder for drift-free positioning and an automatic self-test/re-span function at every power-up. The 1-5VDC feedback signal allows for remote monitoring of the valve stroke, while its compact Power Cube design permits installation at any angle up to the horizontal. This modulating valve actuator is fully compatible with Spartan 2, 3, and 4-port valve bodies using EB or EV balanced cartridges, making it a versatile choice for building automation retrofits.
Key Benefits- Fail-Safe Reliability: Mechanical spring return normally open operation ensures the system fails to a safe state during power interruptions.
- Precise Modulation: Advanced microprocessor control interprets 0-10VDC or 2-10VDC signals with a tight 0.15V dead band for accurate flow adjustment.
- Maintenance-Free Design: The brushless motor and optical feedback system eliminate the need for periodic calibration and prevent positional drift.
- Field Flexibility: On-board jumpers allow for direct or reverse acting configurations and 4-20mA signal compatibility if required.
Is this actuator compatible with other valve brands?
The ME-4840 is optimized for Spartan zone valve bodies. While the M30 x 1.5mm thumbnut is a standard size, we recommend verifying the 4mm stroke and stem force requirements for non-Spartan bodies to ensure proper close-off.
Can I install this actuator terminal-side down?
No. For long-term reliability and to prevent moisture ingress, the actuator should be installed vertically or at an angle not exceeding the horizontal. Avoid mounting with the back facing directly up or down.
How do I monitor the actual valve position?
The green wire provides a 1-5VDC feedback signal. A 1V reading typically represents the stem in the up (open) position, while 5V indicates the stem is fully down.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
