Viking VK512 Technical Data Manual

Viking VK512 Technical Data Manual

Esfr dry pendent sprinkler

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Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com
Visit the Viking website for the latest edition of this technical data page www.vikinggroupinc.com
1. DESCRIPTION
Viking Early Suppression Fast Response (ESFR) Dry Pendent Sprinkler VK512 is
a fast response fusible element type sprinkler designed for use in storage areas
subject to freezing and supplied from a wet system only, in an adjacent heated
area. With a 25.2 (363 metric) nominal K-Factor and special deflector, this sprinkler
produces large, high-momentum water droplets in a hemispheric pattern below
the deflector. This permits penetration of the fire plume and direct wetting of the
burning fuel surface while cooling the atmosphere early in the development of a
high-challenge fire.
The dry ESFR sprinkler consists of a fusible element style ESFR sprinkler
permanently secured to a special supply nipple. The sprinkler assembly features
a sealed brass inlet that's grooved. Also included with the ESFR dry sprinkler are
two insulating boot assemblies (optional) to help seal the clearance space around
the dry sprinkler barrel. The dry sprinkler boot assembly is intended to slow the
exchange of air between the inside and outside of the freezer (or any dry sprinkler
installation) to help mitigate condensation and humidity and temperature differentials
in the area around the sprinkler. Condensation can lead to ice build-up, which could
inhibit sprinkler operation or cause premature operation.
2. LISTINGS AND APPROVALS*
FM Approved: Class 2026
* Refer to the Approval Chart and Design Criteria for requirements that must be followed.
3.
TECHNICAL DATA
Specifications:
Available since 2022
Tube diameter: 1-11/16" (43.86 mm)
Minimum Operating Pressure: Refer to NFPA 13 and FM Loss Prevention Data Sheet 8-9.
Maximum Working Pressure: 175 psi (12 bar). Factory tested hydrostatically to 500
psi (34.5 bar).
Connections: 1-1/2" grooved
Nominal K-Factor: 25.2 U.S. (363 metric*)
*
Metric K-factor measurement shown is when pressure is measured in bar. When pressure is
measured in kPa, divide the metric K-factor shown by 10.0.
Deflector Diameter: 1-3/4" (44.5 mm)
Overall Length: Refer to Table 1.
Sprinkler Assembly Materials of Construction:
Sprinkler Frame Casting: QM Brass
Deflector: Phosphor Bronze UNS-C51000
Seat: Brass UNS-C36000
Belleville Spring Sealing Assembly: Nickel Alloy, coated on both sides with PTFE Tape
Spring Base: Brass UNS-C31400 or UNS-C31600
Back-Up Nut: Brass UNS-C36000
Compression Screw: Stainless Steel UNS-S31603
Trigger and Support: Stainless Steel UNS-S31600
Fusible Element Assembly: Beryllium Nickel, coated with acrylic paint
Tube: Steel Tube ASTM A-513
Orifice: Brass UNS-C36000
Inlet: Brass UNS-C84400
Support (Internal): Brass UNS-C36000
Barrel: Steel Tube ASTM A-513, Electrodeposited Epoxy Base finish
Boot Assembly Materials of Construction:
Seal: ASTM D1056 2A0/1 4015-EL EPDM-Butyl-PE Foam Rubber OR ASTM D1056 2A1 Neoprene/EPDM/SBR OR ASTM D1056
2C1 Neoprene/EPDM
Over Seal Ring and Under Seal Ring: Cold Rolled Steel Finish: White Paint; #10 Screws: Stainless Steel
Form No. F_071221
Rev 001
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
12.10.2021
ESFR DRY PENDENT SPRINKLER
VK512 K25.2 (GROOVED)
Page 1 of 8
New form.

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Summary of Contents for Viking VK512

  • Page 1 The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058 Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com Visit the Viking website for the latest edition of this technical data page www.vikinggroupinc.com 1. DESCRIPTION Viking Early Suppression Fast Response (ESFR) Dry Pendent Sprinkler VK512 is...
  • Page 2 EXAMPLE: 24853AC = VK512 at 251/2" with a 165 °F (74 °C) temperature rating. This sprinkler is to be installed into an area with a maximum ambient temperature of 100 °F (38 °C) meaning if the area will experience temperatures above the maximum ambient rating, you...
  • Page 3: Installation

    Wet pipe systems must be provided with adequate heat. NOTICE Viking ESFR Dry Sprinklers shall be installed into the 1-1/2" grooved run of tee fittings that meet the dimensional require- ments of ANSI B16.3 (Class 150)The VK512 can be installed into welded outlets that meet the dimensional requirements of ANSI B16.11.
  • Page 4 The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058 Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com Visit the Viking website for the latest edition of this technical data page www.vikinggroupinc.com INSTALLATION TIP: Prior to final installation, temporarily install all components described in the procedure below to verify the correct measurements have been achieved.
  • Page 5 VK512 K25.2 (GROOVED) The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058 Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com Visit the Viking website for the latest edition of this technical data page www.vikinggroupinc.com Option 1 Option 3 6"...
  • Page 6 5.1 FM Approval Requirements The VK512 is FM Approved as a quick response pendent Storage sprinkler. Sprinklers are to be installed in accordance with the latest edition of Viking technical data, the latest standards of FM Global Loss Prevention Data Sheets including 2-0 and 8-9 and any other Authorities Having Jurisdiction, and also with provisions of governmental codes, ordinances, and standards whenever applicable.
  • Page 7 The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058 Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com Visit the Viking website for the latest edition of this technical data page www.vikinggroupinc.com Listing and Approval Specifications ESFR Dry Pendent Sprinkler VK512...
  • Page 8: Operation

    Refer to the Authorities Having Jurisdiction for minimum replacement requirements. 8. AVAILABILITY Viking Sprinklers are available through a network of domestic and international distributors. See The Viking Corporation web site for the closest distributor or contact The Viking Corporation.
  • Page 9 Refer to the appropriate technical data page and NFPA standards for complete care, handling, installation, and maintenance instructions. For additional product and system information Viking data pages and installation instructions are available on the Viking Web site at www.vikinggroupinc.com.
  • Page 10 * Refer to the appropriate current technical data pages for complete care, handling, and installation instructions. Data pages are included with each shipment from Viking or Viking distributors. They can also be found on the Web site at www. vikinggroupinc.com.
  • Page 11 • while ceiling finish work is being completed. Use only the designated Viking recessed sprinkler wrench (refer to the appropriate sprinkler data page) to install these sprinklers. NOTE: The protective cap is • temporarily removed during installation and then placed back on the sprinkler for protection until finish work is completed.
  • Page 12 Take care not to crack the wax coating on the units. • For touching up the wax coating after installation, wax is available from Viking in bar form. Refer to Table 1 below. The coating MUST be repaired after •...
  • Page 13: Technical Data

    1. DESCRIPTION Viking fire sprinklers consist of a threaded frame with a specific waterway or orifice size and a deflector for distributing water in a specified pattern. A closed or sealed sprinkler refers to a complete assembly, including the thermosensitive operating element. An open sprinkler does not use an operating element and is open at all times.
  • Page 14 TECHNICAL DATA SPRINKLER OVERVIEW The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058 Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com VERTICAL SIDEWALL (VSW) SPRINKLER: A sprinkler intended for installation near the wall and ceiling. The deflector provides a water spray pattern outward in a quarter-spherical pattern and can be installed in the upright or pendent position with the flow arrow in the direction of discharge.
  • Page 15 Refer to NFPA 25 for Inspection, Testing and Maintenance requirements. 7. AVAILABILITY Viking sprinklers are available through a network of domestic and international distributors. See The Viking Corporation web site for the closest distributor or contact The Viking Corporation. 8. GUARANTEE For details of warranty, refer to Viking’s current list price schedule or contact Viking directly.
  • Page 16: Warranty Terms And Conditions

    For more information, go to www.P65Warnings.ca.gov 2. WARRANTY TERMS AND CONDITIONS For details of warranty, refer to Viking’s current list price schedule at www.vikinggroupinc.com or contact Viking directly. New Bulletin Form No. F_111218 18.11.15...

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