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TECHNICAL DATA

QUICK RESPONSE 

EXTENDED COVERAGE 

CONCEALED HSW 

SPRINKLER VK680 (K8.0)

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 www.vikinggroupinc.com.

Form No. F_050611    18.10.25     Rev 17.1.P65

Page 5 of 5

DESIGN CRITERIA 

(Also refer to the Approval Chart on page 3.)

cULus Listing Requirements:

 

QREC Concealed HSW Sprinkler VK680 is cULus Listed for installation in accordance with the latest edition of NFPA 13 for extended coverage sidewall 

spray sprinklers:

• 

Limited to Light Hazard occupancies with smooth, flat, horizontal ceilings only. 

• 

Minimum distance between sprinklers: 9 ft. (2.7 m)

• 

THE TOP OF THE SPRINKLER BODY AND THE TOP OF THE INSTALLATION WRENCH ARE MARKED “TOP”.

 Orient the top of the sprinkler 

element parallel with the ceiling as shown in Figure 3. 

• 

Minimum distance from end walls is 4 in. (102 mm).

• 

Maximum distance from the end wall shall be no more than one-half of the allowable distance between sprinklers. The distance shall be measured 

perpendicular to the wall.

• 

The sprinkler installation and obstruction rules contained in NFPA 13 for extended coverage sidewall spray sprinklers must be followed.

NOTE:

 

Concealed sprinklers must be installed in neutral or negative pressure plenums only.

IMPORTANT: Always refer to Bulletin Form No. F_091699 - Care and Handling of Sprinklers. Also refer to Form No. F_080614 

for general care, installation, and maintenance information. Viking sprinklers are to be installed in accordance with the latest 

edition of Viking technical data, the appropriate standards of NFPA, FM Global, LPCB, APSAD, VdS or other similar organiza-

tions, and also with the provisions of governmental codes, ordinances, and standards, whenever applicable.

Figure 4:  

Sprinkler VK680 Dimensions and Cover Installation

3/4” 

 

(20 mm) 

NPT

2-3/16” (56 mm) 

diameter opening 

required in the wall.

Concealed Sprinkler Wrench** 16208W/R

 

** A 1/2” ratchet is required (not available from Viking).

To install the Cover Plate assembly, gently push it onto the 

sprinkler body with even pressure using the palm of the hand.

1/4” (6 mm) Horizontal 

adjustment available.

Concealed 

sprinkler body 

with protective 

cap

2-3/16” 

 

(56 mm)

 

Maximum

1-15/16” 

 

(49 mm)

 

Minimum

3-5/16” 

 

(84 mm)

1/4” 

 

(6 mm)

Replaces Form No. F_050611 Rev 17.1 

(Added P65 Warning.)

Summary of Contents for VK680

Page 1: ...Listed Category VNIV CCCF Approved Approved by the China Certification Center for Fire Products CCCF Refer to the Approval Chart and Design Criteria on this Technical Data Page for cULus Listing requirements that must be followed 3 TECHNICAL DATA Specifications Available since 2011 Minimum Operating Pressure 7 psi 0 5 bar Maximum Working Pressure 175 psi 12 Bar Factory tested hydrostatically to 50...

Page 2: ...ble since 2010 B Head Cabinet Wrench Part Number 16267 available since 2010 C Optional Large Concealed Cover Plate Installer Tool Part No 14867 available since 2007 Requires a ratchet not available from Viking Ideal for sprinkler cabinets Sprinkler Cabinet Part No 01731A available since 1971 4 INSTALLATION Refer to appropriate NFPA Installation Standards 5 OPERATION During fire conditions when the...

Page 3: ...its may apply depending on fire loading sprinkler location and other requirements of the Authority Having Jurisdiction Refer to specific installation standards 3 Part number shown is the base part number For complete part number refer to current Viking price list schedule Figure 2 Sprinkler VK680 Installation and Correct Use of Wrench The internal design of the sprinkler wrench is shaped to fit ov...

Page 4: ...4 L min 1 72 Bar AX1 AX1 14 x 24 4 3 m x 7 3 m 34 gpm 18 1 psi 128 7 L min 1 25 Bar 4 3 8 112 mm to 6 3 8 162 mm AX1 16 x 24 4 9 m x 7 3 m 39 gpm 23 8 psi 147 6 L min 1 64 Bar AX1 14 x 24 4 3 m x 7 3 m 35 gpm 19 2 psi 132 5 L min 1 32 Bar 6 3 8 162 mm to 12 3 8 314 mm AX1 16 x 24 4 9 m x 7 3 m 40 gpm 25 psi 151 4 L min 1 72 Bar AX1 Sprinkler Temperature Rating A 165 F 74 C Cover Assembly Temperatu...

Page 5: ...ween sprinklers The distance shall be measured perpendicular to the wall The sprinkler installation and obstruction rules contained in NFPA 13 for extended coverage sidewall spray sprinklers must be followed NOTE Concealed sprinklers must be installed in neutral or negative pressure plenums only IMPORTANT Always refer to Bulletin Form No F_091699 Care and Handling of Sprinklers Also refer to Form ...

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