Description
The Schneider Electric (Barber Colman) PND-2-1 is a genuine OEM replacement diaphragm engineered for use with MK-3xxx series pneumatic actuators. Designed to restore original performance and extend the service life of your pneumatic control assembly, this diaphragm is a critical internal component that maintains proper air pressure response and actuator stroke accuracy in building automation and HVAC control systems.
Key Features
- Genuine OEM replacement diaphragm from Schneider Electric (formerly Barber Colman)
- Designed specifically for compatibility with MK-3xxx series pneumatic actuators
- Restores proper pneumatic pressure response and actuator travel
- Precision-engineered for a reliable, leak-free seal within the actuator housing
- Supports accurate valve and damper positioning in pneumatic control systems
- Ideal for preventive maintenance and field repair of existing MK-3xxx actuators
Applications
- Replacement part for MK-3xxx series pneumatic actuators
- Commercial HVAC pneumatic control systems
- Building automation valve and damper actuator assemblies
- Preventive maintenance and actuator rebuild programs
Why Choose the PND-2-1?
Using a genuine Schneider Electric (Barber Colman) diaphragm ensures your MK-3xxx actuator performs to its original factory specification. Aftermarket substitutes can introduce inconsistent sealing and premature failure — the PND-2-1 eliminates that risk by delivering a precise fit and durable construction trusted by HVAC professionals. Keep your pneumatic control system operating at peak efficiency with this reliable, drop-in replacement component.
