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STANDARD RESPONSE 

ELO UPRIGHT SPRINKLER

VK530 

(STORAGE-DENSITY/AREA)

TECHNICAL DATA

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: [email protected]

Visit the Viking website for the latest edition of this technical data page.

Form No. F_010692    21.09.16     Rev 21.1

Page 1 of 5

1.  DESCRIPTION

The Viking Standard Response ELO Upright Sprinkler VK530 is a thermosensitive 

glass bulb spray sprinkler available in several different finishes and temperature 

ratings to meet design requirements. The special Polyester, PTFE, and Electroless 

Nickel PTFE (ENT) coatings can be used in decorative applications where colors 

are desired. In addition, these coatings have been investigated for installation 

in corrosive environments and are listed/approved as indicated in the Approval 

Charts. 
The extra-large orifice provides greater flows at lower pressures than standard 

orifice  or large orifice sprinklers. This feature allows reduced pipe sizing for 

hydraulically calculated sprinkler systems, which require high densities of water. 

On existing systems, replacing large orifice sprinklers with extra-large orifice 

sprinklers may provide the higher densities required to allow an increase in the 

hazard classification of an occupancy.
Viking standard response sprinklers may be ordered and/or used as open sprin-

klers (glass bulb and pip cap assembly removed) on deluge systems. Refer to 

Ordering Instructions 

below. 

2.  LISTINGS AND APPROVALS

cULus Listed: 

Category VNIV

FM Approved:

 Class 2009

Refer to Approval Chart 1 and Design Criteria on page 3 for cULus Listing requir-

ments, and refer to Approval Chart 2 and Design Criteria on page 4 for FM Approval requirements that must be followed.

3.  TECHNICAL DATA

Specifications:

Available since 1992.

Maximum Working Pressure: 175 psi (12 bar). 

Factory tested hydrostatically to 500 psi (34.5 bar).

Thread size: 3/4” NPT or 20 mm BSP 

Nominal K-Factor: 11.2 U.S. (161.3 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.

Glass-bulb fluid temperature rated to -65 °F (-55 °C)

Overall Length: 2-5/16” (58.7 mm)

Material Standards:

Sprinkler Frame: Brass UNS-C84400

Deflector: Brass UNS-C51000

Bulb: Glass, nominal 5 mm diameter

Pip Cap and Insert Assembly: Copper UNS-C11000 and Stainless Steel UNS-S30400

Compression Screw: Brass UNS-C36000

Belleville Spring Sealing Assembly: Nickel Alloy, coated on both sides with PTFE Tape

For PTFE Coated Sprinklers:

 

Belleville Spring-Exposed, Screw-Nickel Plated, Pip Cap-PTFE Coated

For Polyester Coated Sprinklers:

 

Belleville Spring-Exposed

For ENT Coated Sprinklers: Belleville Spring-Exposed, Screw and Pipcap-ENT plated

Replaces Form No. F_010692 Rev 19.1 

(Updated Deflector Material)

NOTE: As of May 2018 all logos have been removed from the 

wrench boss.

Summary of Contents for VK530

Page 1: ...se sprinklers may be ordered and or used as open sprin klers glass bulb and pip cap assembly removed on deluge systems Refer to Ordering Instructions below 2 LISTINGS AND APPROVALS cULus Listed Category VNIV FM Approved Class 2009 Refer to Approval Chart 1 and Design Criteria on page 3 for cULus Listing requir ments and refer to Approval Chart 2 and Design Criteria on page 4 for FM Approval requir...

Page 2: ...s Refer to Table 1 Accessories Also refer to the Viking website Sprinkler Wrenches A Standard Wrench Part No 05118CW B available since 1981 Sprinkler Cabinets A Six head capacity Part No 01724A available since 1971 B Twelve head capacity Part No 01725A available since 1971 4 INSTALLATION Refer to appropriate NFPA Installation Standards 5 OPERATION During fire conditions when the temperature around...

Page 3: ...t Brown Wax 175 F 79 C Brown Wax 200 F 93 C Brown Wax 286 F 141 C Dk Brown Wax4 Footnotes 1 The sprinkler temperature rating is stamped on the deflector 2 Based on NFPA 13 Other limits may apply depending on fire loading sprinkler location and other requirements of the Authority Having Jurisdiction Refer to specific installation standards 3 The corrosion resistant and corrosion proofing coatings h...

Page 4: ...technical data the appropriate standards of NFPA LPCB APSAD VdS or other similar organizations and also with the provisions of governmental codes ordinances and standards whenever applicable Approval Chart 1 UL Standard Response Extra Large Orifice Upright Sprinkler VK530 Maximum 175 PSI 12 Bar WWP Base Part Number1 SIN Sprinkler Style Thread Size Nominal K Factor Overall Length Listings and Appro...

Page 5: ...t the time of printing Other approvals may be in process 4 FM Approved as corrosion resistant DESIGN CRITERIA FM Also refer to Approval Chart 2 above FM Approval Requirements Standard Response Extra Large Orifice Upright Sprinkler VK530 is FM Approved as a standard response upright Non Storage sprinkler and as a standard response upright Storage sprinkler as indicated in the FM Approval Guide For ...

Page 6: ...stall sprinklers onto piping at the floor level Install sprinklers after the piping is in place to prevent mechanical damage DO NOT allow impacts such as hammer blows directly to sprinklers or to fittings pipe or couplings in close proximity to sprinklers Sprinklers can be damaged from direct or indirect impacts DO NOT attempt to remove drywall paint etc from sprinklers Take care not to over tight...

Page 7: ...D CAPS MUST BE REMOVED FROM SPRINKLERS BEFORE PLACING THE SYSTEM IN SERVICE Figure 1 Sprinkler shield being removed from a pendent sprinkler Figure 2 Sprinkler cap being removed from a pendent sprinkler Figure 3 Sprinkler cap being re moved from and upright sprinkler HOW TO REMOVE SHIELDS AND CAPS No tools are necessary to remove the shields or caps from sprinklers DO NOT use any sharp objects to ...

Page 8: ... 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 Do not over tighten the sprinklers into fittings during installation Do not use the sprinkler deflector to start or thread the sprinklers into fittings during installation Do not attempt to remove drywall paint etc from the sprinkl...

Page 9: ...t the corrosion resistant properties of the sprinkler Use care when locating sprinklers near fixtures that can generate heat Do not install sprinklers where they would be exposed to temperatures exceed ing the maximum recommended ambient temperature for the temperature rating used Inspect the coated sprinklers frequently soon after installation to verify the integrity of the corrosion resistant co...

Page 10: ...t readings to be expected In addition recognized installation rules may require a higher temperature classifica tion depending upon sprinkler location occupancy classification commodity classification storage height and other hazards In all cases the maximum expected ceiling temperature dictates the lowest allowable temperature classification Sprinklers located immediately adjacent to a heat sourc...

Page 11: ...ly intended for installation with a concealed piping system The assembly con sists of a sprinkler installed in a decorative adjustable recessed escutcheon that minimizes the protrusion of the sprinkler beyond the ceiling or wall without adversely affecting the sprinkler distribution or sensitivity Refer to the appropriate technical data page for allowable sprinkler models temperature ratings and o...

Page 12: ...TENANCE 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 IMPORTAN...

Page 13: ...ction of fire protection products are provided herin as they relate to legally mandated jurisdictional regions WARNING STATE OF CALIFORNIA USA Installing or servicing fire protection products such as sprinklers valves piping etc can expose you to chemicals including but not li mited to lead nickel butadiene titaninum dioxide chromium carbon black and acrylonitrile which are known to the State of C...

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