Hoses are marked with standardized colors (e.g., blue for low‑pressure, red for high‑pressure) to quickly identify refrigerant lines, reducing connection errors and improving safety during HVAC/R service.
Designed for use with common refrigerants such as R410A (high‑pressure) and R134A (medium‑pressure), ensuring material integrity and seal compatibility in residential and automotive AC systems.
Includes a manual shut‑off valve (often a ball valve or needle valve) on the hose or adapter to isolate refrigerant flow during charging, recovery, or system maintenance without disconnecting hoses.
Equipped with standard quick‑connect couplers (e.g., 1/4″ SAE flare) for fast, leak‑free connection to refrigerant cylinders, manifold gauges, vacuum pumps, and AC system service ports.
Can be integrated with solenoid valves in recovery stations, charging carts, or automated refrigerant handling systems to enable remote or programmed control of refrigerant flow in commercial/industrial HVAC setups.
Description
High-concerned chemical : None
Structure : Shutoff
Material : Copper
Model Number : Valve
Origin : Mainland China
Certification : CE