Materials & Finish
- Body: ductile cast iron, ASTM A536 Grade 65-45-12.
- Finish: painted red or galvanized.
- Red epoxy coating available on request.
Grooved Eccentric Reducer
Viking Fireking VK-ER Grooved Eccentric Reducer
VK-ER — Ductile Iron, 20.7–27.6 bar (300–400 psi), 3"×2" to 10"×8" (DN80×DN50–DN250×DN200)
Viking Fireking VK-ER Grooved Eccentric Reducer from Viking is a ductile iron grooved × grooved reducer that changes pipe size with a flat top or bottom profile, rated up to 27.6 bar (400 psi), 3"×2" to 10"×8".
Manufactured by
Viking
Viking Fireking VK-ER Grooved Eccentric Reducer
Review the confirmed product information, including description, features, benefits, and applications.
The Viking Fireking™ VK-ER Eccentric Reducer provides a change in pipe size while keeping a flat bottom or top alignment. This prevents air pockets and drainage issues in horizontal fire-suppression piping.
The reducer is made from ductile cast iron to ASTM A536 Grade 65-45-12, with grooved ends on both sides for fast installation. It is rated for working pressures from 20.7 bar (300 psi) to 27.6 bar (400 psi), depending on size and approval.
Pressure & Service
- Working pressure: 20.7 bar (300 psi) to 27.6 bar (400 psi), depending on size and approval.
- For water-based fire-suppression systems.
Connection & Sizes
- Connection type: grooved × grooved.
- Sizes 3" × 2" to 10" × 8" (DN80 × DN50 to DN250 × DN200).
Design
- Eccentric profile keeps a flat top or bottom.
- Prevents air pockets and drainage issues.
No Air Entrapment
Prevents air entrapment in horizontal piping.
Proper Drainage
Supports proper drainage in fire-protection networks.
No Field Fabrication
Removes the need for field-fabricated eccentric reducers.
Hydraulic Performance
Helps hydraulic performance where pipe size changes.
The VK-ER Eccentric Reducer is used where a size change must keep a flat pipe profile.
Horizontal Sprinkler Piping
Size changes in horizontal fire sprinkler piping.
Pump Suction Lines
Reductions on fire pump suction lines.
Pump Discharge Lines
Reductions on fire pump discharge lines.
Flat Pipe Profiles
Areas where a flat pipe top or bottom is critical.
UL Listed
UL maximum working pressure up to 400 psi (27.6 bar), depending on size.
FM Approved
FM maximum working pressure 300 psi (20.7 bar) for approved sizes.
Need support with this eccentric reducer?
Share your main and reduced pipe sizes, pipe outside diameters, working pressure, and required finish, and our MEP team will support you with the suitable product information.
Other Products in Grooved Reducers
Explore other products available within the same product category and open each page for complete technical details.
Viking Fireking VK-CRT Threaded Concentric Reducer
View confirmed product details and technical information for Viking Fireking VK-CRT Threaded Concentric Reducer.
Viking Fireking VK-CRG Grooved Concentric Reducer
View confirmed product details and technical information for Viking Fireking VK-CRG Grooved Concentric Reducer.