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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
1. DESCRIPTION
Viking Standard Response Dry Pendent Sprinklers are thermosensitive spray sprin-
klers 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 conden-
sation 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. Viking Standard Response Dry Pendent Sprinklers are available in
various finishes and temperature ratings to meet design requirements.
The special Polyester and Electroless Nickel PTFE (ENT) coatings have been
investigated for installation in corrosive environments and are listed/approved as
indicated in the approval charts.
2. LISTINGS AND APPROVALS
cULus Listed: Category VNIV
FM Approved: Classes 2013 and 2015
China Approval: Approved according to China GB Standard
NOTE: Other International approval certificates are available upon request.
Refer to Approval Chart 1 and Design Criteria for cULus Listing requirements, and refer to Approval Chart 2 and Design Criteria for
FM Approval requirements that must be followed.
3. TECHNICAL DATA
Specifications:
Available since 1991.
Minimum Operating Pressure: 7 psi (0.5 bar)*
Maximum Working Pressure: 175 psi (12 bar).
Factory tested hydrostatically to 500 psi (34.5 bar)
Thread size: 1" NPT or 25 mm BSP
Nominal K-Factor: 5.6 U.S. (80.6 metric**) for all listed and approved lengths.
Glass-bulb fluid temperature rated to -65 °F (-55 °C)
Covered by the following U.S. Patents: 8,636,075 and 10,220,231
* cULus Listing, FM Approval, and NFPA 13 installs require a minimum of 7 psi (0.5 bar).
**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.
Material Standards:
Frame Casting: Brass UNS-C84400
Deflector: Brass UNS-C26000
Bulb: Glass, nominal 5 mm diameter
Belleville Spring Sealing Assembly: Nickel Alloy, coated on both sides with PTFE Tape
Compression Screw: Brass UNS-C36000
Pip Cap: Brass UNS-C31400 or UNS-C31600
Pip Cap Adapter: Brass UNS-C36000
Orifice: Copper UNS-C22000 or UNS-C11000
Tube: ERW Hydraulic Steel Tube
Barrel End and Threads (for Sprinklers VK150, VK154, and VK158): QM Brass
Support (Internal): Stainless Steel UNS-S30400
Barrel: Steel Pipe UNS-G10260, Electrodeposited Epoxy Base finish
Sleeve (for Adjustable Standard style only): Brass UNS-C26000 or UNS-C26800
Form No. F_071591
Rev 03
TECHNICAL DATA
Visit the Viking website for the latest edition of this technical data page.
December 2023
STANDARD RESPONSE
DRY PENDENT STANDARD
ORIFICE SPRINKLERS
Replaces Form No. F_071591 Rev 02
(Removed NYC Approval and CPVC fittings UL note.)
Page 1 of 7
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Summary of Contents for Viking VK154
- 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. 1. DESCRIPTION Viking Standard Response Dry Pendent Sprinklers are thermosensitive spray sprin- klers suitable for use in areas subject to freezing.
-
Page 2: Technical Data
Temperature Suffix (°F/°C): 155°/68° = B, 175°/79° = D, 200°/93° = E, 286°/141° = G For example, sprinkler VK154 with 1” NPT Threads, a Chrome finish and a 155 °F/68 °C temperature rating, and “A” length of 10” = Part No. 07740UFB10. - Page 3 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. TABLE 1: AVAILABLE SPRINKLER TEMPERATURE RATINGS AND FINISHES...
- Page 4 9 - Chrome with “A” dimensions 3-1/4” to 47-1/2” (82.5 to 1,207 mm) Footnotes Part number shown is the base part number. For complete part number, refer to current Viking price list schedule. K-Factor applies for standard lengths (“A” Dimensions indicated above).
- Page 5 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. Figure 3: Adjustable Standard Dry Pendent Sprinkler...
- Page 6 4 - Chrome with “A” dimensions 3-1/4” to 47-1/2” (82.5 to 1,207 mm) Footnotes Part number shown is the base part number. For complete part number, refer to current Viking price list schedule. K-Factor applies for standard lengths (“A” Dimensions indicated above).
- 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. Figure 6: Dry Pendent Sprinkler Required Minimum Barrel Length Based on Ambient Temperature in the Protected Area...
- Page 8 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 9 * 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 10 • 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 11 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 12 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 13 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 14 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 15 STANDARD RESPONSE, QUICK RESPONSE, EXTENDED COVERAGE, AND DRY SPRINKLERS Viking thermosensitive spray sprinklers consist of a small frame and either a glass bulb or a fusible operating element. Available styles include pendent, flush pendent, concealed pendent, upright, horizontal sidewall, vertical sidewall, or conventional, depending on the particular sprinkler model selected.
- Page 16 C. Installation Instructions - Dry Sprinklers WARNING: Viking dry sprinklers are to be installed in the 1” outlet (for dry and preaction systems), or run of malleable, ductile iron, or Nibco CPVC* threaded tee fittings (for wet systems) that meet the dimensional requirements of ANSI B16.3 (Class 150), or cast iron threaded tee fittings that meet the dimensional requirements of ANSI B16.4 (Class 125), even at branch line ends.
- Page 17 4. After installation, the entire sprinkler system must be tested. The test must be conducted to comply with the installation stand- ards. Viking high pressure sprinklers may be hydrostatically tested at a maximum of 300 psi (20.7 bar) for limited periods of time (two hours), for the purpose of acceptance by the Authority Having Jurisdiction.
- Page 18 Refer to the Authority Having Jurisdiction for minimum replacement 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.
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Page 19: 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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