Manual Tilting Butterfly Check Valve
Reliable Performance with Precision Engineering
In fluid control systems where backflow prevention and minimal pressure loss are critical, a Tilting Disc Check Valve offers an optimal solution. Its unique tilting disc design allows for rapid, low-impact closure, significantly reducing water hammer compared to traditional swing check valves. For applications requiring a simple and robust mechanism without external power, our Non-hydraulic Tilting Butterfly Check Valve provides dependable service. Built for demanding environments, the Ductile Iron Tilting Butterfly Check Valve combines superior strength with excellent corrosion resistance. Furthermore, our space-saving Wafer Tilting Butterfly Check Valve design is ideal for installations with limited space, offering easy integration between pipeline flanges without the need for additional gaskets.
Optimized Design and Technical Specifications
The Manual Tilting Butterfly Check Valve features a precision-engineered disc that rotates on a shaft mounted off-center from its centerline. This geometry ensures the disc opens fully with minimal flow resistance and closes swiftly upon flow reversal, creating a reliable seal. The design minimizes turbulence and pressure drop across the valve, enhancing overall system efficiency. The valve body, disc, and shaft are manufactured from high-grade materials to ensure durability and long service life under various operating conditions. Its compact and lightweight construction simplifies handling, installation, and maintenance, making it a cost-effective choice for a wide range of industrial and municipal applications, including water supply, wastewater treatment, HVAC, and process industries.
Detailed Product Parameters
Our Manual Tilting Butterfly Check Valve is engineered to meet rigorous international standards. Below are the key specifications:
Primary Materials & Design
- Body: Ductile Iron, Cast Iron, Carbon Steel, Stainless Steel (SS304/SS316)
- Disc: Ductile Iron with Nylon Coating, Stainless Steel, Aluminum Bronze
- Shaft: Stainless Steel (AISI 420/304/316)
- Seat: NBR (Nitrile Rubber), EPDM, PTFE, Metal-to-Metal
- Design Standard: API 594, API 6D, EN 12334, BS 5153
- Face-to-Face: API 594, ASME B16.10, EN 558 Series
- Flange Standard: ASME B16.1, ASME B16.5, EN 1092-2, JIS B2220
Technical Performance Data
| Parameter | Specification / Range |
|---|---|
| Nominal Diameter (DN) | 50 mm (2") to 1200 mm (48") |
| Pressure Rating (PN) | PN10, PN16, PN25, Class 125, Class 150, Class 300 |
| Temperature Range | -10°C to 120°C (14°F to 248°F)* |
| End Connection | Wafer, Lug, Double Flanged |
| Flow Direction | Horizontal or Vertical (flow bottom to top) |
| Leakage Rate | Class IV (ANSI/FCI 70-2) or Zero Leakage (Soft Seat) |
| Applicable Media | Water, Oil, Gas, Air, Steam, Weak Corrosive Fluids |
*Temperature range may vary based on seat material selection.
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