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Siemens SFP71U Fail-Safe Zone Valve Actuator, 24V AC, Spring Return, 599 Series - Fail-Safe Zone Valve Actuators
SiemensFail-Safe Zone Valve Actuators

Siemens SFP71U Fail-Safe Zone Valve Actuator, 24V AC, Spring Return, 599 Series

The SIEMENS Electric Zone Valve Actuator (MPN SFP71U) is a fail-safe zone valve actuator designed for use with the 599 series. It operates on 24V AC with a spring return mechanism and is compatible with normally open…

SKU 3G-OTH-69290

Brand
Siemens
Item
SFP71U Fail-Safe Zone Valve Actuator, 24V AC, Spring Return, 599 Series
Part Number
SFP71U
Category
Fail-Safe Zone Valve Actuators
Available to Order
Also known as:SFP71USiemens
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Technical Specifications

Siemens
Manufacturer Part Number
SFP71U
Type
599, Spring Return, 1
AC
24V
Compatible Series
599
Compatible Valve Action
Normally Open

Technical Documents

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Electric Zone Valve Actuator (MPN SFP71U) is a fail-safe zone valve actuator designed for use with the 599 series. It operates on 24V AC with a spring return mechanism and is compatible with normally open valve action.

Frequently Asked Questions

What is the SIEMENS Electric Zone Valve Actuator SFP71U used for?

The SIEMENS SFP71U is a fail-safe zone valve actuator used in HVAC systems to control water or steam flow in heating and cooling zones. It is designed for the 599 series valves and provides spring-return operation on 24V AC to ensure valve closure during power loss.

What are the specifications of the SIEMENS SFP71U actuator?

The SIEMENS SFP71U is a 24V AC electric zone valve actuator with spring return. It is compatible with the 599 series valves and normally open valve action. The actuator provides fail-safe operation, meaning it automatically closes the valve when power is interrupted.

Where to buy the SIEMENS SFP71U zone valve actuator worldwide?

You can source the SIEMENS SFP71U zone valve actuator through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this Siemens actuator.

How to install the SIEMENS SFP71U spring return actuator?

To install the SIEMENS SFP71U, first ensure power is off. Mount the actuator onto the 599 series valve body, aligning the coupling. Secure with the provided hardware, then connect 24V AC power per the wiring diagram. Test spring-return function by cycling power. Always follow local codes.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks
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Siemens Products

3G Electric supplies Siemens fail-safe zone valve actuators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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