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4-Way Breaching Dry Riser Inlet

4-Way Breaching Dry Riser Inlet
by:admin August 25, 2025 0 Comments

4-Way Breaching Dry Riser Inlet product code AFP 138, provides an essential connection point for the fire brigade to pump water directly into a building’s dry riser system during fire emergencies. Designed for performance, safety, and compliance, this inlet connection includes four 63mm male instantaneous inlets with built-in non-return valves (NRVs), and a 140mm NB flanged outlet for maximum flow efficiency.

Product Overview – AFP 138

This high-quality breaching inlet assembly supports effective fire suppression in commercial, residential, and industrial buildings. Firefighters can quickly connect hoses to the four inlets and supply water under pressure through the dry riser pipe network.

Product CodeItem DescriptionSizesMaterial
AFP 1384-way pumping-in breeching inlet with 4 x 63mm male instantaneous connections, built-in NRVs, 140mm NB flanged outlet, and rubber dust caps2 ½”Gun Metal, Brass, Cast Iron, Ductile Iron

Key Features of 4-Way Breaching Dry Riser Inlet

  • Four 63mm male instantaneous inlets for quick fire brigade hose connection
  • Built-in NRVs (non-return valves) to prevent backflow
  • 140mm NB flanged outlet for secure riser system integration
  • Protective rubber dust caps included to keep inlets clean
  • Manufactured using durable materials: Gun Metal, Brass, Cast Iron, and Ductile Iron
  • Size: 2½” inlet connections, suitable for standard fire service equipment

Applications

Fire protection systems in high-rise buildings rely on breaching inlets to ensure water can be supplied from external sources. The AFP 138 4-way dry riser inlet is ideal for:

  • Commercial complexes
  • High-rise residential buildings
  • Warehouses and logistics facilities
  • Hospitals, airports, and public infrastructure

During an emergency, the fire brigade connects their hoses to the inlets, which then feed water into the dry riser. The non-return valves ensure unidirectional flow, maintaining system pressure and preventing backflow.

Installation & Compliance

Installers typically position the breaching inlet box at ground level or another accessible location, allowing rapid connection during emergencies. The 140mm flanged outlet ensures compatibility with standard pipe systems and secure sealing.

All materials used in the AFP 138 model meet fire safety standards and offer exceptional resistance to corrosion and high temperatures.

Why Choose the AFP 138 4-Way Breaching Inlet?

Choosing the AFP 138 means choosing:

  • Quick connection during emergencies
  • High-flow performance
  • Long-lasting durability under tough environmental conditions
  • Versatile compatibility with a variety of dry riser systems
  • Reliable fire safety compliance

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