Non-hydraulic Tilting Butterfly Check Valve
Precision Engineered for Unidirectional Flow: The Non-hydraulic Tilting Butterfly Check Valve
In fluid control systems where backflow prevention is critical, the Tilting Disc Check Valve offers a superior mechanical solution. Our Non-hydraulic Tilting Butterfly Check Valve represents an advanced evolution of this design, engineered for applications demanding rapid response, low-pressure loss, and silent operation without reliance on external hydraulic systems. This self-actuating valve is ideal for water supply, HVAC, and industrial process lines. For installations requiring manual intervention or system testing, our Manual Tilting Butterfly Check Valve variant provides the same reliable sealing with added operational control. Constructed for durability in demanding environments, the Ductile Iron Tilting Butterfly Check Valve offers exceptional strength and corrosion resistance. Furthermore, its compact and lightweight design makes the Wafer Tilting Butterfly Check Valve style perfect for space-constrained installations, fitting securely between pipeline flanges without the need for extra gaskets.
The operational excellence of the Non-hydraulic Tilting Butterfly Check Valve stems from its ingenious tilting disc mechanism. Unlike traditional swing or lift check valves, the disc in this design pivots on an offset shaft. During forward flow, the disc lifts smoothly with minimal resistance, significantly reducing pressure drop and turbulence. As flow diminishes or reverses, hydrodynamic forces and gravity combine to swiftly and decisively seat the disc against the seal, ensuring a tight, leak-proof closure. This rapid closing action is intrinsic to the valve's geometry, eliminating water hammer—a common cause of pipe fatigue and system damage. The Non-hydraulic Tilting Butterfly Check Valve operates entirely based on line flow conditions, requiring no external power, complex controls, or hydraulic lines, making it a remarkably reliable and maintenance-friendly component for any piping network.
Technical Specifications and Design Parameters
Our Non-hydraulic Tilting Butterfly Check Valve is manufactured to exacting international standards, ensuring compatibility and performance across global applications.
Key Features & Benefits:
- Low Head Loss: Optimized disc profile maximizes flow area, minimizing energy consumption.
- Fast, Silent Closure: Patented tilting action prevents slam, protecting system integrity.
- Bubble-Tight Seal: Precision-machined seat and disc interface ensure zero leakage upon closure.
- Maintenance-Free Design: Robust construction with corrosion-resistant materials for long service life.
- Bi-Directional Seating (Optional): Can be configured to seal against pressure from either direction.
Standard Construction Materials:
| Component | Standard Material | Alternative Options |
|---|---|---|
| Body | Ductile Iron (EN-GJS-500-7) | Cast Iron, Carbon Steel, Stainless Steel (CF8/CF8M) |
| Disc | Ductile Iron with Ni-Cr Coating | Stainless Steel (304/316), Aluminum Bronze |
| Seat Ring | EPDM (NBR, FKM available) | Metal Seat (Stainless Steel) for high-temp applications |
| Shaft | Stainless Steel (420) | Stainless Steel (304/316) |
| Bearings | Self-Lubricating Composite Bushings | Bronze, PTFE-lined |
Performance & Dimensional Data:
| Parameter | Specification |
|---|---|
| Size Range (Nominal Diameter) | DN 50 to DN 1200 (2" to 48") |
| Pressure Rating (PN) | PN 10, PN 16, PN 25 |
| Temperature Range (with EPDM seat) | -15°C to +120°C (+5°F to +248°F) |
| Face-to-Face Dimensions | Complies with EN 558-1 Series 20 (Wafer) or as per customer flange standard |
| Flange Standards | EN 1092-2, ASME B16.1, ASME B16.5, JIS, etc. |
| Flow Coefficient (Cv) | High Cv values; specific data available per size and model. |
| Testing Standards | Seat Test: EN 12266-1 A, Shell Test: EN 12266-1 B |
Related Products
Hot Products
Cast Iron Round And Square Penstock Gate
FYL is a professional cast iron round and square penstock gate manufacturer and supplier in China. Our team has years of industry experience, and support customized production. At the same time, we will also offer you comprehensive service and after-sale service, welcome to contact with us now.
FL Mechanical Bar Screen
FYL, as a company mainly engaged in FL mechanical bar screen and other hydraulic machinery equipment, has its own factory equipped with a complete production line to support customized design and production. This product can be used to intercept larger particles in sewage and can be installed at the water inlet and water intake. It is widely used in municipal, water treatment and pumping station scenarios.
Single Girder Gantry Crane
FYL is engaged in the manufacture and sales various single girder gantry cranes in China. Our equipment has advanced technological processes and quality control systems, it can be customized according to customer needs to provide customers with high-quality, safe and reliable gantry cranes.
Double Flanged Anchoring With Puddle Flange Ductile Iron
FYL is a reliable Double Flanged Anchoring With Puddle Flange Ductile Iron manufacturer specializing in produce Double flanged anchoring with puddle flange in China. Factory available to produce different type of Ductile iron pipe fittings. Products popular in domestic and export to many countries. Looking forward to becoming your partner and serving you sincerely.
Basket Filter
FYL is a water conservancy machinery and equipment manufacturer located in Tianjin, China. Basket filter is one of the products we can provide you with. We can provide you with a wide range of products, and we have been working hard to find breakthroughs based on traditional production, supporting customized design and production, and striving to become your long-term partner in China.
Tilting Butterfly Type Check Valve Without Hydraulic
As a reliable industrial valve manufacturer, FYL can provide tilting butterfly type check valve without hydraulic. This valve can operate autonomously, has low resistance to fluid, and effectively improves efficiency. As a professional factory, we will accompany you with professional services throughout the process, and provide preferential prices and timely delivery.
- Related Blog
- Reviews
