Materials & Finish
- Body: ductile cast iron, ASTM A536 Grade 65-45-12.
- Finish: painted red or galvanized.
- Red epoxy coating available on request.
Threaded Reducing Tee
Viking Fireking VK-RTT Threaded Reducing Tee
VK-RTT — Grooved × Grooved × NPT/BSP, 16–34.5 bar (232–500 psi), 1-1/4"×1" to 6"×4"
Viking Fireking VK-RTT Threaded Reducing Tee from Viking is a ductile iron grooved tee with an NPT or BSP threaded branch for valves, drains and gauges on fire sprinkler mains, rated up to 34.5 bar (500 psi).
Manufactured by
Viking
Viking Fireking VK-RTT Threaded Reducing Tee
Review the confirmed product information, including description, features, benefits, and applications.
The Viking Fireking™ VK-RTT Threaded Reducing Tee branches a smaller threaded outlet from a grooved main pipe. It is available with NPT or BSP threads and gives a compact interface for valves, drains, gauges and auxiliary equipment in fire-suppression systems.
The tee is made from ductile cast iron to ASTM A536 Grade 65-45-12 and is rated from 16 bar (232 psi) to 34.5 bar (500 psi), depending on size and approval. It is supplied painted red or galvanized, with red epoxy available on request.
Pressure & Service
- Working pressure: 16 bar (232 psi) to 34.5 bar (500 psi), depending on size and approval.
- For water-based fire-suppression systems.
Connection & Sizes
- Connection type: grooved × grooved × threaded (NPT or BSP).
- NPT sizes 1-1/4" × 1" to 6" × 4".
- BSP sizes DN32 × DN25 to DN150 × DN100.
Design
- Threaded branch outlet on a grooved run.
- No separate outlet fittings or adapters needed.
Direct Device Connection
Integrates threaded devices directly into grooved systems.
Fewer Fittings
Removes separate outlet fittings and adapters.
Fewer Leak Points
Reduces potential leak points in the system.
Compact Installation
Simplifies installation in compact spaces.
The VK-RTT Tee connects threaded auxiliary components to fire sprinkler mains.
Drain Lines
Threaded drain line connections from grooved mains.
Test Connections
Threaded test outlets on sprinkler piping.
Pressure Gauges
Gauge connections on grooved mains.
Alarm Devices
Connections for alarm devices and auxiliary equipment.
UL Listed
UL maximum working pressure up to 400 psi (27.6 bar), depending on size.
FM Approved
FM maximum working pressure up to 500 psi (34.5 bar), depending on size.
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