NIBCO KT-403-W Check Valve
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The NIBCO KT-403-W check valve installs directly into industrial and commercial plumbing and fire protection lines to prevent reverse flow and protect system integrity. This bronze swing check valve integrates into standard threaded piping assemblies, using a mechanical horizontal swing mechanism to maintain smooth, unobstructed forward flow.
Confirm materials, connection details, operating limits, and suitability for your application against the exact model's manufacturer documentation before purchasing to ensure compliance with local installation requirements.
Key Features & Construction
- Bronze Body: Provides sturdy, corrosion-resistant metal construction for long-lasting performance in demanding industrial environments.
- Buna-N Seat: Delivers a secure, leak-resistant seal to effectively prevent reverse flow in your lines.
- Threaded Connections: Allows straightforward installation directly into standard threaded piping assemblies.
- Horizontal Swing Design: Utilizes a mechanical swing mechanism to maintain smooth, unobstructed forward flow.
- Size Selection: Choose from six precise sizes to match your existing layout requirements, including ½-inch, ¾-inch, 1-inch, 1¼-inch, 1½-inch, and 2-inch options.
| Technical Specification | Details |
|---|---|
| Manufacturer / Brand | Nibco Inc. |
| Model / Series Number / SIN | KT-403-W (SKUs: KT403W-50, KT403W-75, KT403W-0100, KT403W-0125, KT403W-0150, KT403W-0200) |
| Connection / Thread Size & Type | ½-inch, ¾-inch, 1-inch, 1¼-inch, 1½-inch, 2-inch Threaded Connections |
| Pressure Rating (WWP / Max Working Pressure) | N/A |
| K-Factor | N/A |
| Temperature Rating / Response Type | N/A |
| Material / Body Construction | Bronze with Buna-N Seat |
| Agency Listings & Approvals | N/A |
| Applicable NFPA Standards | N/A |
Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)
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