Product details
6571/28A Ball Valve Access Port | 3-1/2″ ODS | Castel
The Castel 6571/28A Ball Valve Access Port is a high-capacity 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 heavy-duty applications, this valve features a large internal ball port and high flow capacity, ensuring minimal pressure drop and efficient system performance. Its robust construction ensures durability and long service life under demanding operating conditions.
Compatible with a wide range of refrigerants, it is suitable for modern commercial and industrial refrigeration systems.
Key Benefits
High-capacity design for large refrigeration systems
Reliable shut-off and service access functionality
Compatible with multiple refrigerants (HCFC, HFC, HFO blends)
High pressure rating up to 45 bar
Low pressure drop with high flow performance
Durable construction for long service life
Specifications
Brand: Castel
Model: 6571/28A
Product Type: Ball Valve Access Port
Connections
Connection Type: ODS
Connection Size: 3-1/2″ (89 mm)
Performance
Ball Port Diameter: 73 mm
Flow Coefficient (Kv): 550 m³/h
Pressure & Temperature
Maximum Working Pressure (PS): 45 bar
MWP: 500 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 of this valve?
It uses a 3-1/2″ (89 mm) ODS connection.
What refrigerants is it compatible with?
It supports HCFC, HFC, HFO, and blended refrigerants.
What is the maximum pressure rating?
It is rated for up to 45 bar (500 psi).
What temperature range can it handle?
It operates between -40°C and +150°C.
