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The Constant Flow Speed Controller is a precision device designed to fix the operational speed of driving mechanisms in mass-produced dedicated machines. By maintaining a consistent flow rate, it ensures stable and predictable performance, which is essential for applications requiring precise control over output speed without variation due to pressure fluctuations or environmental changes.
The main resin components are manufactured using PBT (polybutylene terephthalate), a standard engineering plastic well-suited for general operating environments. The primary metal parts feature brass with electroless nickel plating, providing durability and corrosion resistance under typical industrial conditions. Sealing elements utilize both NBR and HNBR materials—NBR for general sealing applications and HNBR for enhanced ozone resistance in low-concentration ozone environments.
The speed controller features an orifice bore that can be selected from φ0.1mm to φ2.0mm in 0.1mm increments, allowing precise adjustment of flow rate based on specific machine requirements. Connection options include tapered pipe male threads (R1/8 and R1/4) and NPT threads (NPT1/8 and NPT1/4), enabling compatibility with a range of standard piping systems.
The device operates within an air fluid medium, with a pressure range from 0.1 to 0.9MPa. A check valve activates at a cracking pressure of 0.05MPa, ensuring unidirectional flow and preventing backflow. The operating temperature range is 0 to 60℃, with no freezing capability under these conditions.
Available in three mm sizes: φ4, φ6, and φ8, corresponding to inch sizes of φ5/32, φ1/4, and φ1/4 respectively. The product does not offer color variants or additional configurations beyond the specified size and thread options.
The Constant Flow Speed Controller integrates directly into existing pneumatic systems via its threaded connections—R1/8, R1/4 (tapered pipe male) or NPT1/8, NPT1/4. These interfaces are designed for direct mounting on machine components or piping assemblies where consistent flow speed is required.
| Specification | Details |
|---|---|
| Fluid medium | Air |
| Operating pressure range | 0.1 to 0.9MPa |
| Check valve cracking pressure | 0.05MPa |
| Operating temp. range | 0 to 60℃ (No freezing) |
| mm size (mm) | φ4, φ6, φ8 |
| inch size | φ5/32, φ1/4 |
| Taper pipe male thread | R1/8, R1/4 |
| NPT Thread | NPT1/8, NPT1/4 |
| Main resin material | PBT |
| Main metal material | Brass with electroless nickel plating |
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