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VK186 - EC/QREC Dry Pendent Sprinkler (K5.6)

Viking Extended Coverage Adjustable Recessed Dry Pendent Sprinklers are thermosensitive spray sprinklers suitable for use in areas subject to freezing. The sprinklers are designed for dry systems and preaction systems where it is necessary to prevent water or condensation from entering the drop nipple before sprinkler operation. They may also be installed in spaces subject to freezing and supplied from a wet system in an adjacent heated area.  The special Polyester and Electroless Nickel PTFE (ENT) coatings have been investigated for installation in corrosive atmospheres and are listed as corrosion resistant.  Refer to the technical data sheet for design and installation requirements.

Technical Details

K Factor: 

5.6, 
81 metric

Manufacturer: 

Viking

Page: 

F_051498

Part Number: 

10541U

VK Number: 

VK186

Additional Information: 

NOTICE: The product details indicated below are for general reference only and may vary based on the specific product approval and/or application. Always verify product details with the technical data sheet and consult with the Authority Having Jurisdiction (AHJ).

Max Pressure: 

175 psi (12 bar)

Response Type: 

Standard/Quick

Occupancy Type: 

Light Hazard

Thread Size: 

1" NPT (25 mm BSP)

Min Spacing: 

8 ft (2,4 m)

Max Spacing: 

20 x 20 ft (6,1 x 6,1 m)

Documents and Resources

Technical Data Sheets

Drawings

Product Quick Reference Guides

Approval Certificates

Catalog Page