Description
The Johnson Controls V-4710-601 is a precision-engineered replacement diaphragm designed for use with 6-inch diameter 3R series pneumatic actuators. Sourced directly from Johnson Controls, this OEM diaphragm ensures a proper fit and restores the actuator to original operating specifications — eliminating the guesswork and risk associated with aftermarket alternatives.
Product Overview
The diaphragm is a critical internal component of the 3R actuator assembly, responsible for converting pneumatic pressure into mechanical force to drive valve stems and damper linkages. Over time, diaphragms can wear, crack, or lose flexibility, leading to actuator drift, poor modulation, or complete failure. Replacing the diaphragm with a genuine Johnson Controls part is the most cost-effective way to extend actuator service life and maintain system control accuracy.
Key Features
- OEM replacement diaphragm from Johnson Controls
- Designed specifically for 6-inch diameter 3R series actuators
- Restores original actuator stroke and pressure response
- Ensures a precise, leak-free seal within the actuator housing
- Supports accurate pneumatic control in HVAC and building automation systems
- Genuine Johnson Controls part for reliable, long-term performance
Application
- Compatible with: 6″ Diameter Johnson Controls 3R Series Pneumatic Actuators
- Typical applications include pneumatic valve and damper actuator assemblies in commercial HVAC and building automation systems
Why Choose OEM?
Using a genuine Johnson Controls replacement diaphragm ensures compatibility with the actuator’s pressure range and stroke specifications. OEM parts meet the same quality standards as the original assembly, helping to maintain system reliability, reduce callbacks, and protect equipment warranties.







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