Parker Hannifin 278399-101 QL171R-10-10 5/8" ODF Service Valve

The Parker Hannifin 278399-101 is a QL171R series refrigeration service valve designed for professional HVAC/R applications. This valve features 5/8" ODF (Outside Diameter Flare) connections on both sides, providing reliable service access for refrigeration systems.

Key Features:

• Model QL171R-10-10 configuration with dual 5/8" ODF connections
• Brass construction for corrosion resistance and durability
• Full-port design for minimal pressure drop
• Rotolock-style service port for gauge access and system servicing
• Suitable for use with common refrigerants in air conditioning and refrigeration systems
• Front-seated design allows system isolation without refrigerant loss

This service valve is engineered for installation in refrigeration lines where service access and system isolation capabilities are required. The ODF flare connections ensure secure, leak-free installation when properly brazed into the refrigeration circuit.