VIKING Fireking™ Reducing Tee – Threaded (VK-RTT)

The VIKING Fireking™ VK-RTT Threaded Reducing Tee is designed to branch a smaller threaded outlet from a grooved main pipe. Available with NPT or BSP threads, it provides a compact and reliable interface for valves, drains, gauges, and auxiliary equipment in fire-suppression systems.

Nominal Sizes:
- NPT: 1-1/4" × 1" to 6" × 4"
- BSP: DN32 × DN25 to DN150 × DN100
Working Pressure: 16 bar (232 psi) up to 34.5 bar (500 psi), size dependent
Material: Ductile Cast Iron, ASTM A536 Grade 65-45-12
Connection Type: Grooved × Grooved × Threaded (NPT or BSP)
Finish: Painted Red, Epoxy Coated (on request), Galvanized

Integrates threaded devices directly into grooved systems
Eliminates separate outlet fittings and adapters
Reduces potential leak points
High pressure capability for fire-protection duty
Simplifies installation in compact spaces

Connection of drain lines, test connections, pressure gauges, alarm devices, and auxiliary equipment to fire sprinkler mains.

UL Listed
FM Approved

Other Products From VIKING

Viking Fireking™ Rigid Coupling (VK-RC)

Rigid grooved coupling designed to lock pipe segments without angular deflection.

VIKING Fireking™ Flange Adapter PN16 (VK-FAP)

One-piece grooved-to-flange adapter for direct PN16 flanged connections.

VIKING Fireking™ Equal Tee (VK-ET)

Grooved equal tee for uniform three-way pipe distribution in fire-protection systems.

Viking Fireking™ Mechanical Tee – Threaded (VK-MTT & VK-MTT2)

Mechanical outlet tee with threaded branch connection for sprinkler drops and auxiliary fire-system equipment.