Viking Fireking™ Heavy-Duty Flexible Coupling (VK-FCH)
Heavy-duty flexible grooved coupling engineered for high-pressure fire-protection environments.
Viking Fireking™ Flexible Coupling (VK-FC)
- Designed for dynamic piping systems, the VK-FC absorbs movement and vibration while maintaining pressure integrity. Its ductile iron body and EPDM gasket provide durability with finishes of Painted, Epoxy Coated, and Galvanized to extend service life under corrosive or demanding conditions.
- Sizes: 1″ to 12″ (DN25 to DN300)
- Working Pressure: up to 34.5 bar (500 psi)
- Temperature Range: –34°C to +110°C
- Materials: Ductile Iron, EPDM Gasket
- Finishes: Painted, Epoxy Coated, Galvanized
- Accommodates Expansion & Vibration: Reduces stress from thermal cycles and mechanical vibration.
- Rapid, Flame-Free Installation: Eliminates hot work hazards, increasing site safety.
- Lower Total Installed Cost: Minimal labor and faster commissioning.
- Serviceable Joints: Easy disassembly/reassembly for maintenance or future reconfiguration.
- Fire sprinkler mains, branch lines, pump-room piping, and seismic zones where movement accommodation is critical.
- UL Listed
- FM Approved
Other Products From VIKING
VIKING Fireking™ Elbow – 45° (VK-E45)
Grooved 45-degree elbow for smooth directional transitions in fire-suppression piping.
VIKING Fireking™ End Cap – Drilled (VK-ECD)
Grooved end cap with threaded outlet for termination and auxiliary connection in fire-protection piping.
VIKING Fireking™ Concentric Reducer – Grooved (VK-CRG)
Grooved concentric reducer for smooth diameter transition in fire-protection piping systems.