Materials & Finish
- Body: ductile cast iron, ASTM A536 Grade 65-45-12.
- Finish: painted red or galvanized.
- Red epoxy coating available on request.
Grooved 45° Elbow
Viking Fireking VK-E45 45 Degree Elbow
VK-E45 — Ductile Iron, 20.7–34.5 bar (300–500 psi), 1" to 12" (DN25–DN300)
Viking Fireking VK-E45 45 Degree Elbow from Viking is a grooved ductile iron elbow for gradual 45° direction changes in fire-suppression piping, rated up to 34.5 bar (500 psi) in sizes 1" to 12".
Manufactured by
Viking
Viking Fireking VK-E45 45 Degree Elbow
Review the confirmed product information, including description, features, benefits, and applications.
The Viking Fireking™ VK-E45 Grooved Elbow provides a gradual 45° change in piping direction. The gentler turn keeps hydraulic losses low while the fitting maintains its mechanical strength.
Made from ductile cast iron to ASTM A536 Grade 65-45-12, the elbow is rated for working pressures from 20.7 bar (300 psi) to 34.5 bar (500 psi), depending on size and approval. It is designed for fast installation with grooved couplings and is supplied painted red or galvanized.
Pressure & Service
- Working pressure: 20.7 bar (300 psi) to 34.5 bar (500 psi), depending on size and approval.
- For water-based fire-suppression systems.
Connection & Sizes
- Grooved ends for use with grooved couplings.
- Nominal sizes 1" to 12" (DN25 to DN300).
Design
- 45° change of pipe direction.
- Gradual turn for lower hydraulic losses.
Lower Turbulence
Reduces flow turbulence compared with sharper bends.
Hydraulic Performance
Improves hydraulic performance in sprinkler systems.
Faster Installation
Installs faster and more safely than welded elbows.
Mechanical Strength
Keeps high mechanical strength under pressure and vibration.
The VK-E45 Elbow is used in fire-protection piping where gradual directional changes are required.
Cross-Main Routing
Gradual direction changes along sprinkler cross-mains.
Distribution Networks
Offsets and turns within fire-protection distribution piping.
Gradual Pipe Layouts
Piping layouts where a 45° turn suits the route.
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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