Malleable Iron Threaded Plug Fitting
Black / 1/4 in.
R 36.00
Sale price
R 36.00
Regular price
R 59.00
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Malleable Iron Threaded Plug Fitting
R 36.00
Sale price
R 36.00
Regular price
R 59.00
Shipping calculated at checkout
The Malleable Iron Threaded Plug Fitting provides a secure, leak-resistant closure for pipe openings in pressurized systems without requiring welding. It installs directly into wet, dry, or industrial piping assemblies to seal unused lines, manage testing points, or cap off system extensions.
This component supports commercial fire protection systems and manufacturing facilities where components must endure high mechanical stress and thermal fluctuations. By satisfying stringent safety and performance standards for critical fire protection installations, this fitting complies with core installation guidelines under NFPA 13 and NFPA 25 requirements for system integrity and maintenance.
Key Features & Construction
- Malleable Iron Build: Constructed from robust malleable iron that resists deformation under high mechanical stress.
- Precision Threading: Engineered with accurate threads for straightforward installation and removal using common tools.
- Reusable Seal: Designed for maintenance ease, allowing multiple installations without compromising sealing integrity.
- Temperature Resistance: Withstands high-temperature conditions common in fire sprinkler systems and industrial applications.
- Welding Avoidance: Seals pipe openings securely without the need for welding or soldering, reducing labor time.
Technical Specifications & Compliance Table
| Manufacturer / Brand | Sigma Corporation |
| Model / Series Number / SIN | Malleable Iron Threaded Plug Fitting |
| Connection / Thread Size & Type | Threaded (Available in 1/4", 1/2", 3/4", 1", 1-1/4", 1-1/2", and 2" sizes) |
| Pressure Rating (WWP / Max Working Pressure) | N/A |
| K-Factor | N/A |
| Temperature Rating / Response Type | High-temperature rated for industrial and fire protection use |
| Material / Body Construction | Malleable Iron (Black and Galvanized options) |
| Agency Listings & Approvals | N/A |
| Applicable NFPA Standards | NFPA 13, NFPA 25 |
Always verify local Authority Having Jurisdiction (AHJ) requirements and consult manufacturer technical data sheets before beginning installation on fire suppression or industrial piping systems.
Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)
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You have 30 days to return the product. Returned items must be in the original packaging, contain all components, and be in new condition. Returns may require additional information or a photo of the item(s) to process the return. Returns received without the proper return label may take more than 10 business days to credit.
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