
Siemens Building Technology M3FB15LX15/A Valve
The Siemens M3FB15LX15/A is a precision modulating refrigerant valve engineered for critical hot gas bypass and heat recovery applications. Featuring a magnetic actuator, this DN15 valve delivers a fast positioning time of less than one second and a stroke resolution of 1:200, ensuring stable loop control in complex refrigeration systems. With a 1.75 Cv capacity and 5/8-inch solder connections, it is purpose-built for organic safety refrigerants including R22, R134a, R404A, R407C, and R507. Operating at 24 VAC, the unit supports multiple control signals (0-10 VDC, 4-20 mA, or phase cut) via the required ZM series electronic module. The hermetically sealed steel body is rated for a permissible operating pressure of 460 psi (PN32), providing a robust, maintenance-free solution for capacity control in chillers and air handling units. Its direct control mechanism eliminates the need for external pilot valves in low Kvs ranges, maximizing mechanical efficiency.
Key Benefits
- High Precision Control: Magnetic actuator provides linear flow characteristics and a high resolution of 1:200 for exact capacity modulation.
- Rapid Response Time: Achieves full stroke in less than one second, preventing temperature fluctuations and protecting compressors during load changes.
- Broad Refrigerant Compatibility: Designed for use with common safety refrigerants such as R410A, R404A, and R134a in closed-loop systems.
- Rugged Construction: Maintenance-free, hermetically sealed steel valve body with a PN32 pressure rating to withstand industrial environments.
- Fail-Safe Operation: Integrated spring-return function ensures the valve returns to the closed position (AB -> A) upon power loss.
Common Questions
Do I need a separate controller for this valve?Yes, the M3FB15LX15/A requires a Siemens ZM series electronic module (such as the ZM101/A or ZM121/A) to convert the DC positioning signal into the required magnetic field for the actuator.
Can this valve be used with ammonia systems?While some M3 series valves are compatible with ammonia (R717), the LX series is specifically optimized for organic safety refrigerants. Always verify the specific material compatibility for ammonia applications.
What is the best mounting position for this actuator?This valve can be mounted in any orientation; however, upright mounting is preferred to prevent oil accumulation. Ensure the valve is not positioned at a low point in the piping where oil could trap.
This item is not eligible for free shipping.
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: $1,511.36
-65%$1,511.36
$528.98Siemens Building Technology M3FB15LX15/A Valve
The Siemens M3FB15LX15/A is a precision modulating refrigerant valve engineered for critical hot gas bypass and heat recovery applications. Featuring a magnetic actuator, this DN15 valve delivers a fast positioning time of less than one second and a stroke resolution of 1:200, ensuring stable loop control in complex refrigeration systems. With a 1.75 Cv capacity and 5/8-inch solder connections, it is purpose-built for organic safety refrigerants including R22, R134a, R404A, R407C, and R507. Operating at 24 VAC, the unit supports multiple control signals (0-10 VDC, 4-20 mA, or phase cut) via the required ZM series electronic module. The hermetically sealed steel body is rated for a permissible operating pressure of 460 psi (PN32), providing a robust, maintenance-free solution for capacity control in chillers and air handling units. Its direct control mechanism eliminates the need for external pilot valves in low Kvs ranges, maximizing mechanical efficiency.
Key Benefits
- High Precision Control: Magnetic actuator provides linear flow characteristics and a high resolution of 1:200 for exact capacity modulation.
- Rapid Response Time: Achieves full stroke in less than one second, preventing temperature fluctuations and protecting compressors during load changes.
- Broad Refrigerant Compatibility: Designed for use with common safety refrigerants such as R410A, R404A, and R134a in closed-loop systems.
- Rugged Construction: Maintenance-free, hermetically sealed steel valve body with a PN32 pressure rating to withstand industrial environments.
- Fail-Safe Operation: Integrated spring-return function ensures the valve returns to the closed position (AB -> A) upon power loss.
Common Questions
Do I need a separate controller for this valve?Yes, the M3FB15LX15/A requires a Siemens ZM series electronic module (such as the ZM101/A or ZM121/A) to convert the DC positioning signal into the required magnetic field for the actuator.
Can this valve be used with ammonia systems?While some M3 series valves are compatible with ammonia (R717), the LX series is specifically optimized for organic safety refrigerants. Always verify the specific material compatibility for ammonia applications.
What is the best mounting position for this actuator?This valve can be mounted in any orientation; however, upright mounting is preferred to prevent oil accumulation. Ensure the valve is not positioned at a low point in the piping where oil could trap.
This item is not eligible for free shipping.
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.
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Description
The Siemens M3FB15LX15/A is a precision modulating refrigerant valve engineered for critical hot gas bypass and heat recovery applications. Featuring a magnetic actuator, this DN15 valve delivers a fast positioning time of less than one second and a stroke resolution of 1:200, ensuring stable loop control in complex refrigeration systems. With a 1.75 Cv capacity and 5/8-inch solder connections, it is purpose-built for organic safety refrigerants including R22, R134a, R404A, R407C, and R507. Operating at 24 VAC, the unit supports multiple control signals (0-10 VDC, 4-20 mA, or phase cut) via the required ZM series electronic module. The hermetically sealed steel body is rated for a permissible operating pressure of 460 psi (PN32), providing a robust, maintenance-free solution for capacity control in chillers and air handling units. Its direct control mechanism eliminates the need for external pilot valves in low Kvs ranges, maximizing mechanical efficiency.
Key Benefits
- High Precision Control: Magnetic actuator provides linear flow characteristics and a high resolution of 1:200 for exact capacity modulation.
- Rapid Response Time: Achieves full stroke in less than one second, preventing temperature fluctuations and protecting compressors during load changes.
- Broad Refrigerant Compatibility: Designed for use with common safety refrigerants such as R410A, R404A, and R134a in closed-loop systems.
- Rugged Construction: Maintenance-free, hermetically sealed steel valve body with a PN32 pressure rating to withstand industrial environments.
- Fail-Safe Operation: Integrated spring-return function ensures the valve returns to the closed position (AB -> A) upon power loss.
Common Questions
Do I need a separate controller for this valve?Yes, the M3FB15LX15/A requires a Siemens ZM series electronic module (such as the ZM101/A or ZM121/A) to convert the DC positioning signal into the required magnetic field for the actuator.
Can this valve be used with ammonia systems?While some M3 series valves are compatible with ammonia (R717), the LX series is specifically optimized for organic safety refrigerants. Always verify the specific material compatibility for ammonia applications.
What is the best mounting position for this actuator?This valve can be mounted in any orientation; however, upright mounting is preferred to prevent oil accumulation. Ensure the valve is not positioned at a low point in the piping where oil could trap.
This item is not eligible for free shipping.
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.












