Description
The Parker Refrigeration Specialties CK4A-9 is a 2.5″ check valve designed for use in commercial and industrial refrigeration systems. Engineered to prevent backflow and maintain one-directional refrigerant flow, this valve is a trusted solution for protecting compressors, evaporators, and other critical system components from reverse flow damage.
Product Overview
This check valve is supplied less flanges, offering installation flexibility for technicians who require a compact, inline solution or who are retrofitting existing piping configurations. Parker Refrigeration Specialties is a globally recognized leader in refrigeration flow control components, and the CK4A-9 reflects their commitment to precision engineering and long-term reliability.
Key Features
- 2.5″ connection size for medium-to-large commercial refrigeration applications
- Supplied less flanges for flexible installation and retrofit compatibility
- Designed to prevent refrigerant backflow and protect system components
- Durable construction built to withstand demanding refrigeration operating conditions
- From Parker Refrigeration Specialties — a trusted name in refrigeration flow control
Applications
- Commercial and industrial refrigeration systems
- Compressor discharge and suction line protection
- Multi-compressor rack systems
- Evaporator and condenser circuit isolation
- Retrofit and replacement installations
Why Choose Parker Refrigeration Specialties
Parker Refrigeration Specialties has decades of experience delivering high-performance valves and flow control components for the HVAC and refrigeration industry. The CK4A-9 check valve is built to meet the rigorous demands of professional refrigeration contractors and system designers, ensuring dependable performance and long service life.







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