Trident Emergency Products
Trident Pipe Thread Adapters - Rigid Female NPT x Male
Trident Pipe Thread Adapters provide a reliable connection between female NPT pipe threads and male NST (NH) fire hose threads. Manufactured from durable chrome-plated brass, these adapters are designed for fire apparatus, hydrants, pumps, manifolds, and water supply systems where transitioning from pipe-threaded connections to standard fire hose threads is required. Available in multiple sizes with optional debris screens for added equipment protection.
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Features
- Female NPT x Male NST Connection: Converts female NPT pipe threads to male NST (NH) fire hose threads for compatibility with firefighting equipment.
- Chrome-Plated Brass Construction: Corrosion-resistant finish provides long service life in demanding fire service environments.
- Optional Internal Screen: Available with or without a debris screen to help prevent foreign material from entering pumps, hoses, nozzles, and water delivery systems.
- Multiple Size Options: Offered in 2.5", 4", 5", and 6" configurations to accommodate a variety of apparatus and water supply connections.
- Fire Service Ready: Designed for municipal, industrial, wildland support, and emergency response water delivery applications.
- Durable One-Piece Design: Built to withstand repeated field use and frequent connection changes during emergency operations.
What Is It?
The Trident Pipe Thread Adapter is a rigid brass adapter that connects female NPT threaded outlets to male NST (National Standard Thread) hose connections. These fittings are commonly used on fire apparatus, portable pumps, hydrants, drafting systems, manifolds, and other water supply equipment where threaded plumbing systems must connect to standard fire hose couplings. Models are available with or without an internal screen depending on system requirements.
How Is It Used?
The adapter threads onto a female NPT outlet and provides a male NST connection point for attaching fire hose or other fire service equipment. Firefighters commonly use these fittings when establishing water supply operations, connecting apparatus plumbing to hose lines, feeding portable pumps, or adapting municipal water sources to standard fire hose connections.
Screened models are particularly valuable when drafting from questionable water sources or whenever debris protection is desired to help protect pumps, nozzles, valves, and downstream equipment from contamination.
Who Uses It?
- Municipal fire departments
- Volunteer fire departments
- Industrial firefighting teams
- Airport rescue and firefighting (ARFF) units
- Water utilities and public works departments
- Apparatus manufacturers
- Fire apparatus maintenance personnel
- Emergency response and disaster recovery teams
Maintenance Information
- Inspect threads before each use for damage or excessive wear.
- Verify proper thread engagement during installation.
- Keep chrome-plated surfaces clean to prevent buildup and corrosion.
- Inspect screens regularly on screened models and remove accumulated debris.
- Replace components showing signs of cracking, thread damage, or excessive wear.
- Store in a clean, dry environment when not in use.
What Is It Used With?
- Fire hose assemblies
- Attack lines
- Supply hose
- Fire apparatus plumbing systems
- Hydrants
- Portable pumps
- Pump manifolds
- Water transfer systems
- Drafting operations
- Industrial water delivery systems
Material
- Brass body
- Chrome-plated exterior finish
- Optional metal debris screen
- Inlet Connection: Female NPT
- Outlet Connection: Male NST (NH)
- Construction: Brass
- Finish: Chrome-Plated
- Screen Options: Available With or Without Screen
Available Models
- 01.024.5 – 2.5" Female NPT x 2.5" Male NST with Screen
- 01.024.0 – 2.5" Female NPT x 2.5" Male NST without Screen
- 01.026.5 – 4" Female NPT x 4" Male NST with Screen
- 01.026.0 – 4" Female NPT x 4" Male NST without Screen
- 01.028.5 – 5" Female NPT x 5" Male NST with Screen
- 01.028.0 – 5" Female NPT x 5" Male NST without Screen
- 01.030.5 – 6" Female NPT x 6" Male NST with Screen