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Color Change Valve/Needle Valve
automated needle valve
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hydraulic needle valve
needle valve
automated needle valve
automatic needle valve
hydraulic needle flow control valve
hydraulic needle valve
needle valve

Color Change Valve/Needle Valve

Color Change Valve (HT-CCV) is a critical component in automated coating systems, designed for rapid switching between different paint colors to minimize material waste and cleaning time during color changes, enhancing production efficiency. Widely used in automotive spray painting, furniture coating, and industrial equipment surface treatment, it is particularly suited for high-mix, low-volume, and high-precision coating applications.

Color Change Valve/Needle Valve Specifications


Specification and model

HT-CCV-3.0

Number of valve groups

1 to 30 groups can be freely combined
System ParametersCoating Inlet Size1/4" Female Thread
Air Inlet Size2.5 x 4mm
Common Air Pressure4 - 6 Bar
Maximum Coating Pressure200 Bar
Environmental ParametersSuitable FluidsSingle-component or Two-component
Various Solvent - Based Coatings
Water-based Coatings, High-Solids and Curing Agents, etc.



Color Change Valve/Needle Valve Advantages


1. Color Change Process

Utilizes valve switching to alternate paint supply lines, integrated with an automatic cleaning system (e.g., solvent flushing or air purge) to quickly remove residual paint, ensuring contamination-free color transitions.


2. Compact Design

Modular configuration allows flexible integration onto robotic spray arm front ends, enabling fast color changes with minimal paint loss.


3. Material Compatibility

Constructed from full stainless steel, compatible with solvent-based, water-based, high-solid, and hardener fluids.


4. Fluid Valve Module

Each color is equipped with a pneumatically controlled, fail-safe normally closed (NC) valve for rapid on/off operation. Dual fluid ports on the valve body facilitate paint circulation, improving material efficiency.


5. Modular Rail Mounting

Enables easy expansion for future color additions without additional mounting holes, simplifying maintenance and disassembly.


6. Fast Cleaning

Only the central channel requires cleaning during color changes. Unique internal structure enhances cleaning efficiency—complete purge time measured in seconds (s), paint loss in milliliters (ml). Prevents color contamination, ensuring pure paint output for superior coating quality.


7. Control Integration

Compatible with PLC or industrial bus systems for one-touch color changes, reducing manual intervention.



Color Change Valve/Needle Valve Applications


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Related Metering and Mixing System


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