Grooved Couplings | NOOR SCIENTIFIC & TRADE https://noor-scientific.com Gate To Innvotion Mon, 02 Feb 2026 15:30:15 +0000 en hourly 1 https://wordpress.org/?v=7.1 https://noor-scientific.com/wp-content/uploads/2024/11/cropped-Logo01-32x32.png Grooved Couplings | NOOR SCIENTIFIC & TRADE https://noor-scientific.com 32 32 Viking Fireking™ Rigid Coupling – Angle Style (VK-RCA) https://noor-scientific.com/electromechanical/viking/viking-fireking-rigid-coupling-angle-style-vk-rca/ Mon, 02 Feb 2026 15:29:30 +0000 https://noor-scientific.com/?p=26122 Angle-style rigid coupling for enhanced pipe engagement and load distribution.

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Viking Fireking™ Rigid Coupling – Angle Style (VK-RCA)

  • The VK-RCA improves on rigid joint design with angled housing geometry that enhances mechanical stability. Ductile iron with EPDM gasket available in Painted, Epoxy Coated, and Galvanized finishes ensures corrosion resistance and long service life.
  • Sizes: 1¼″ to 12″ (DN32 to DN300)
  • Working Pressure: up to 27.6 bar (400 psi)
  • Temperature Range: –34°C to +110°C
  • Materials: Ductile Iron, EPDM Gasket
  • Finishes: Painted, Epoxy Coated, Galvanized
  • Enhanced Load Performance: Better gripping reduces relative pipe movement.
  • Robust Seal: Maintains integrity under pressure cycles.
  • Ease of Installation: Bolt-on assembly accelerates project timelines.
  • Maintenance Friendly: Simple access for inspection and replacement.
  • Fire protection piping requiring rigid restraint with improved structural engagement.
  • UL Listed
  • FM Approved
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]]> Viking Fireking™ Rigid Coupling (VK-RC) https://noor-scientific.com/electromechanical/viking/viking-fireking-rigid-coupling-vk-rc/ Mon, 02 Feb 2026 15:27:19 +0000 https://noor-scientific.com/?p=26115 Rigid grooved coupling designed to lock pipe segments without angular deflection.

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Viking Fireking™ Rigid Coupling (VK-RC)

  • The VK-RC ensures fixed alignment and structural continuity in fire-protection pipelines. With ductile iron body and EPDM gasket, it is finished in Painted, Epoxy Coated, or Galvanized to withstand corrosive conditions while delivering dependable joints.
  • 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
  • Structural Integrity: Rigid connections prevent unwanted movement.
  • Rapid Assembly: Requires no hot work, improving jobsite safety.
  • Low Lifecycle Costs: Durable joints reduce long-term maintenance.
  • Leak-Resistant Seal: Ensures system reliability under pressure.
  • Fire mains and vertical risers that must remain fixed without angular motion.
  • UL Listed
  • FM Approved
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]]> Viking Fireking™ Reducing Coupling (VK-DC) https://noor-scientific.com/electromechanical/viking/viking-fireking-reducing-coupling-vk-dc/ Mon, 02 Feb 2026 15:10:09 +0000 https://noor-scientific.com/?p=26107 Grooved mechanical reducing coupling for joining pipes of dissimilar diameters in fire-suppression systems.

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Viking Fireking™ Reducing Coupling (VK-DC)

  • The VIKING Fireking™ VK-DC reduces pipe sizes while maintaining a secure mechanical joint. Constructed from high-strength ductile iron with EPDM gasket, it supports rapid, reliable installation without welding. Available in Painted, Epoxy Coated, and Galvanized finishes to suit environmental protection and corrosion resistance requirements.
  • Sizes: 2″ × 1½″ to 8″ × 6″ (DN50×40 to DN200×150)
  • Max Working Pressure: 20.7 bar (300 psi)
  • Temperature Range: –34°C to +110°C
  • Materials: Ductile Iron, EPDM Gasket
  • Finishes: Painted, Epoxy Coated, Galvanized
  • Rapid Installation: No welding/threading reduces on-site labor and risk.
  • Leak-Resistant: Mechanical gasket seal ensures reliability under pressure.
  • System Flexibility: Accommodates field deviations and simplifies maintenance.
  • Longevity: Coating options improve corrosion resistance in varied environments.
  • Wet, dry, preaction, and deluge fire sprinkler networks, standpipes, and pump discharge/riser connections requiring size transitions.
  • UL Listed
  • FM Approved
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]]> Viking Fireking™ Heavy-Duty Flexible Coupling (VK-FCH) https://noor-scientific.com/electromechanical/viking/viking-fireking-heavy-duty-flexible-coupling-vk-fch/ Mon, 02 Feb 2026 15:03:59 +0000 https://noor-scientific.com/?p=26098 Heavy-duty flexible grooved coupling engineered for high-pressure fire-protection environments.

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Viking Fireking™ Heavy-Duty Flexible Coupling (VK-FCH)

  • The VK-FCH combines high pressure tolerance with mechanical flexibility, making it suitable for demanding fire protection mains. Ductile iron structure with EPDM gasket is offered in Painted, Epoxy Coated, and Galvanized finishes for harsh environments.
  • Sizes: 2″ to 12″ (DN50 to DN300)
  • Max 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
  • High-Pressure Capability: Supports rigorous fire main requirements.
  • Enhanced Durability: Coating choices improve corrosion resistance.
  • Movement & Vibration Absorption: Reduces mechanical stress and potential failure points.
  • Fast Installation & Maintenance: Reduces downtime and labor costs.
  • High-pressure risers, pump discharge headers, fire mains, and critical infrastructure backbones.
  • UL Listed
  • FM Approved
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]]> Viking Fireking™ Flexible Coupling (VK-FC) https://noor-scientific.com/electromechanical/viking/viking-fireking-flexible-coupling-vk-fc/ Mon, 02 Feb 2026 14:57:14 +0000 https://noor-scientific.com/?p=26087 Flexible grooved coupling for connections subject to movement, vibration, and thermal variations.

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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
Request Info

Other Products From VIKING

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