Product details
6570/21A Ball Valve Access Port | 2-5/8″ ODS | Castel
The Castel 6570/21A Ball Valve Access Port is a high-performance refrigeration valve designed for HVAC and industrial cooling systems. It provides reliable shut-off and service access, allowing safe isolation of refrigerant flow during maintenance and operation.
Engineered for medium to high-capacity applications, this valve features a large internal ball port that ensures efficient flow with minimal pressure drop. Its robust construction guarantees durability and long service life even under demanding operating conditions.
Compatible with a wide range of modern refrigerants, it is suitable for commercial and industrial refrigeration systems.
Key Benefits
Reliable shut-off and service access functionality
Designed for medium to large refrigeration systems
Compatible with multiple refrigerants (HCFC, HFC, HFO blends)
High pressure rating up to 45 bar (600 psi)
Low pressure drop with efficient flow performance
Durable construction for long-term reliability
Specifications
Brand: Castel
Model: 6570/21A
Product Type: Ball Valve Access Port
Connections
Connection Type: ODS
Connection Size: 2-5/8″
Performance
Ball Port Diameter: 60 mm
Flow Coefficient (Kv): 380 m³/h
Pressure & Temperature
Maximum Working Pressure (PS): 45 bar
MWP: 600 psi
Minimum Temperature: -40°C
Maximum Temperature: +150°C
Compatibility
Refrigerants:
HCFC (R22)
HFC (R134a, R404A, R407C, R410A, R507)
HFO (R1234ze)
HFO + HFC Blends (R448A, R449A, R450A, R452A, R513A, R515A, R515B)
Applications
Industrial refrigeration systems
Commercial HVAC systems
Chiller plants
Cold storage facilities
Refrigeration piping and service access
FAQs
What is the purpose of this ball valve access port?
It is used to isolate and control refrigerant flow while providing access for servicing and maintenance.
What is the connection size?
It uses a 2-5/8″ ODS connection.
What refrigerants is it compatible with?
It supports HCFC, HFC, HFO, and blended refrigerants.
What is the pressure rating?
It is rated for 45 bar with a maximum working pressure of 600 psi.
What temperature range can it handle?
It operates between -40°C and +150°C.






