White BUC-4/6/8/10/12mm Pneumatic Quick Connect Ball Valve Manual Switch 1-10Pc

Specification:

 

1. Product Overview
The BUC series is a multifunctional control component that integrates a quick-connect air hose connector and a manual ball valve, offering five pipe diameter specifications: 4/6/8/10/12 mm. It provides dual functionality for quick air circuit connection and instant on/off control. Featuring a 304 stainless steel ball core and a copper alloy valve body, it is suitable for industrial pneumatic systems requiring frequent on/off operations.

2. Core Parameters  
Specification    Technical Specifications  
Valve Body Material    CW617N copper alloy (nickel-plated)/304 stainless steel (optional)  
Ball Core Material    304 stainless steel (mirror-polished Ra ≤ 0.4 μm)  
Sealing Material    PTFE valve seat + NBR O-ring (Fluororubber optional)
Working Pressure    0.3–1.0 MPa (high-pressure type up to 2.5 MPa)
Temperature Range    -20°C to +150°C
Flow Coefficient    Cv 0.22 (4 mm) to 1.8 (12 mm)
Connection Method    Inlet: G thread (optional NPT)
Exhaust end: Push-in quick connector (with safety lock)  
Operating torque    ≤1.5 Nm (with handle limit design)  
3. Product Features  
✅ One-button control:  

90° rotation of the handle achieves fully open/fully closed (visualised open/closed status indicators)  

Quick connector supports hot-swap (patented pressure relief structure)

✅ Zero leakage design:  

Ball core and valve seat line contact sealing (leakage rate < 10⁻⁶ Pa·m³/s)  

Dual sealing (axial O-ring + radial valve seat)  

✅ Industrial-grade durability:  

Ball core wear-resistant coating (HV ≥ 800)  

Maintains sealing after 100,000 switching cycles

✅ Safety protection:  

Anti-misoperation locking groove (lockable)  

Static discharge terminal (ATEX version optional)  

4. Selection comparison table  
Model    Hose outer diameter    Threaded interface    Cv value    Applicable flow rate  
BUC-4    4±0.1mm    G1/8"    0.22    ＜50 L/min  
BUC-6    6±0.2 mm    G1/4"    0.45    50–150 L/min
BUC-8    8±0.2 mm    G3/8"    0.78    150–300 L/min
BUC-10    10±0.3 mm    G1/2"    1.25    300–600 L/min
BUC-12    12±0.3mm    G3/4"    1.8    600-1000 L/min
5. Installation Guide
Threaded Connection:

Use PTFE tape or thread sealant (do not use on the PTFE valve seat side)

Use a wrench to secure the hexagonal part of the valve body to prevent distortion of the quick-connect structure

Air tube installation:

Ensure the air tube cut is smooth before insertion (recommended to use a dedicated tube cutter)

After hearing a ‘click’ sound, gently pull outward to confirm tightening

System testing:

Initial pressure hold: Test at 1.5 times the working pressure for 3 minutes

Switching test: Full-range operating torque ≤ rated value

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On Jul 11, 2025 at 04:19:02 PDT, seller added the following information:

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