Demco Series NE-D Wafer Butterfly Valve: Short-Neck Efficiency
The Demco Series NE-D Wafer Butterfly Valve is a specialized, short-neck valve engineered for applications where lightweight design and easy installation are prioritized. It offers reliable flow control and isolation within a highly compact form factor, suitable for common piping systems.
Key Features and Advantages
- Short-Neck Design: The reduced neck height makes the valve ideal for tight spaces and applications that may not require heavy insulation clearance.
- Body Notches: The inclusion of body notches (often designed to fit popular lightweight flange patterns) simplifies alignment and installation between flanges.
- Broad Size Range: Available in common industrial sizes from 2” to 12” (50mm to 300mm), making it versatile for numerous applications.
- Flange Compatibility: Designed for easy installation between ASME Class 125 and ASME Class 150 flanges, ensuring compatibility with standard utility and process piping.
- Wafer Style: The wafer configuration provides a compact, lightweight solution that is clamped between two pipeline flanges.
Technical Specifications
| Parameter | Detail |
| Series | NE-D |
| Body Style | Wafer |
| Sizes | 2” to 12” (50mm to 300mm) |
| Flange Compatibility | ASME Class 125 and ASME Class 150 |
| Neck Design | Short-Neck with Body Notches |
| Seating | Resilient Seated |
Ideal Application Areas
The Demco NE-D’s characteristics make it an excellent choice for:
- Bulk Material Handling: Where lightweight design is advantageous.
- Transportation Industry: Used in systems requiring compact, reliable shut-off.
- General Utilities: Water, air, and non-critical process lines in commercial and industrial facilities.
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