Description
The Belimo ZG-LMSA-1/2-5 is a 5-inch shaft extension accessory designed to work with Belimo LF and LM series actuators. This precision-engineered component allows installers to bridge the gap between an actuator and a valve or damper shaft when standard mounting reach is insufficient, making it an essential solution for tight mechanical rooms, deep-set valve bodies, or custom installation configurations.
Product Overview
Manufactured by Belimo — the global leader in actuator and valve technology — this shaft extension is built to the same exacting standards as Belimo’s full actuator lineup. The 1/2″ outer diameter (OD) ensures a secure, precise fit on compatible LF and LM series actuator shafts, minimizing play and maintaining accurate torque transfer throughout the actuator’s full range of motion.
Key Features
- 5-inch shaft extension length for added installation reach
- Compatible with Belimo LF and LM series actuators
- 1/2″ outer diameter (OD) shaft for secure, precise engagement
- Genuine Belimo OEM accessory — engineered for exact fit and performance
- Maintains full torque transfer and positional accuracy
- Simplifies installations in confined or deep-set mounting locations
- Durable construction for long-term reliability in commercial HVAC applications
Compatible Actuator Series
- Belimo LF Series actuators
- Belimo LM Series actuators
Specifications
- SKU: ZG-LMSA-1/2-5
- Extension Length: 5 inches
- Shaft Outer Diameter (OD): 1/2″
- Compatible Series: LF, LM
- Brand: Belimo
- Type: Shaft Extension Accessory
Application
Ideal for commercial HVAC, building automation, and hydronic system installations where actuator-to-shaft alignment requires additional extension. Whether retrofitting an existing system or designing a new installation, the ZG-LMSA-1/2-5 provides the flexibility needed to achieve a clean, reliable actuator mount without costly modifications to surrounding infrastructure.







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