Materials & Finish
- Housing: ductile cast iron, ASTM A536 Grade 65-45-12.
- Gasket: EPDM.
- Bolts and nuts: quenched and tempered steel, ASTM A449.
- Finishes: painted red or galvanised; red epoxy available on request.
Gasketed Sprinkler Tee
Viking Fireking VK-ST Sprinkler Tee
VK-ST — ductile iron, EPDM gasket, 20.7 bar (300 psi), 1" × 1/2" to 2-1/2" × 1/2" NPT
Viking Fireking VK-ST Sprinkler Tee from Viking is a compact gasketed outlet tee in ductile iron for connecting sprinkler heads directly to grooved piping, rated 20.7 bar (300 psi), NPT or BSP.
Manufactured by
Viking
Viking Fireking VK-ST Sprinkler Tee
Review the confirmed product information, including description, features, benefits, and applications.
The Viking Fireking™ VK-ST Sprinkler Tee is designed for sprinkler head take-offs from grooved piping systems. It provides a direct sprinkler head connection from the pipe.
Its compact profile and gasketed mechanical design offer a secure, efficient alternative to welded outlets or threaded saddles. The tee has a ductile iron housing with an EPDM gasket and is supplied painted red or galvanised, with red epoxy available on request.
Pressure & Temperature
- Working pressure: 20.7 bar (300 psi).
- Ambient temperature: -34 °C to 110 °C (-29.2 °F to 230 °F).
Connection & Sizes
- NPT sizes: 1" × 1/2" to 2-1/2" × 1/2".
- BSP sizes: DN25 × DN15 to DN65 × DN25.
- Hole size in the pipe: 30 mm, or 32 mm for 1" outlet versions.
Design
- Compact gasketed outlet for sprinkler head drops.
- Mounts on the pipe without welding.
- For water-based fire-suppression systems.
Compact Design
The compact body suits sprinkler head drops.
Faster Installation
Installs faster than welded or threaded outlets.
Less Hot Work
Minimises hot work, which improves site safety.
Gasketed Seal
The gasket keeps the outlet sealed under fire system operating conditions.
The VK-ST suits direct sprinkler head connections in wet and dry fire sprinkler systems.
Wet Sprinkler Systems
Sprinkler head outlets on wet system pipework.
Dry Sprinkler Systems
Sprinkler head outlets on dry system pipework.
Branch Line Outlets
Sprinkler drops taken directly from branch lines.
Confined Installation Areas
Outlets in confined areas where a compact fitting is needed.
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