Description
1. Overview of Pneumatic Single Seat Control Valve
The pneumatic single seat control valve from VTON is a versatile and reliable solution for regulating pipeline parameters such as flow rate, pressure, and temperature. Powered by compressed air and equipped with accessories like valve positioners and solenoid valves, it delivers both switch and proportional control. Compact and lightweight, it ensures efficient operation even in demanding industrial environments.
Key Applications:
- Power generation
- Metallurgy and chemical processing
- Oil refining and environmental protection
- Industrial automation and equipment manufacturing
2. Material Specifications
| Component | Temperature Range (℃) | Material |
|---|---|---|
| Valve Body & Cover | -250 to 550 | HT200, ZG230-450, ZG1Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti |
| Valve Core & Seat | -250 to 550 | 1Cr18Ni9, 0Cr18Ni12Mo2Ti |
| Packing | -250 to 550 | PTFE (Polytetrafluoroethylene) |
| Diaphragm | – | Nitrile rubber with reinforced polyester fabric |
| Compression Spring | – | 60Si2Mn |
| Diaphragm Housing | – | A3 |
3. Technical Parameters
- Nominal Diameter: DN20-DN400
- Nominal Pressure: 0.6MPa-6.4MPa
- Valve Type: Straight-through single seat cast ball valve
- Connection Type: Flange, threaded, welded
- Flow Coefficient (Kv): 8-1800
- Media Temperature:
- Standard: -40℃ to 230℃
- Finned type: 230℃ to 450℃
- Special order: -100℃ to 600℃
- Applicable Media: Water, oils, gases
- Adjustable Ratio (R): 50:1
- Flow Characteristics: Quick-opening, linear, equal percentage
- Material:
- Body: Carbon steel
- Trim: 1Cr18Ni9, 0Cr18Ni12Mo2Ti, CF8, CF8M
4. Features
- High Precision: Designed for accurate control of flow, pressure, and temperature in industrial processes.
- Compact Design: Lightweight and easy to install, with a streamlined valve body for high flow efficiency.
- Versatility: Available in various configurations including standard, regulating cut-off, and bellows-sealed types.
- Wide Temperature Range: Operates reliably from -100℃ to 600℃ with optional materials and designs.
- Durability: Constructed with robust materials like carbon steel and stainless steel to withstand demanding conditions.
