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Bulletin

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

Care anD HanDling 

oF SPrinklerS

Page 1 of 4

Form No. F_091699     16.12.01 Rev 16.1

SPrinklerS are Fragile - HanDle WitH Care!

general Handling and Storage:

• 

Store sprinklers in a cool, dry place.

• 

Protect sprinklers during storage, transport, handling, and after installation.

• 

Use the original shipping containers. DO NOT place sprinklers loose in boxes, bins, 

or buckets.

• 

Keep sprinklers separated at all times. DO NOT allow metal parts to contact sprinkler 

operating elements.

For Pre-assembled Drops:

• 

Protect sprinklers during handling and after installation.

• 

For recessed assemblies, use the protective sprinkler cap (Viking Part Number 10364).

Sprinklers with Protective Shields or Caps:

• 

DO NOT remove shields or caps until after sprinkler installation and there no longer is 

potential for mechanical damage to the sprinkler operating elements.

• 

Sprinkler shields or caps MuSt be removed BeFore placing the system in 

service!

• 

Remove the sprinkler shield by carefully pulling it apart where it is snapped together.

• 

Remove the cap by turning it slightly and pulling it off the sprinkler.

Sprinkler installation:

• 

DO NOT use the sprinkler deflector or operating element to start or thread the sprinkler 

into a fitting.

• 

use only the designated sprinkler head wrench!

 Refer to the current sprinkler tech-

nical data page to determine the correct wrench for the model of sprinkler used.

• 

DO NOT install 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-tighten the sprinkler and/or damage its operating parts! 

Maximum torque:  

1/2” nPt:   14 ft-lbs           
3/4” nPt:   20 ft-lbs.          
1” nPt:   30 ft-lbs.

 Warning

Any sprinkler with a loss of liquid from the glass bulb or damage to the fusible element should be destroyed. Never install sprinklers 

that have been dropped, damaged, or exposed to temperatures exceeding the maximum ambient temperature allowed. Sprinklers that 

have been painted in the field must be replaced per NFPA 13. Protect sprinklers from paint and paint overspray in accordance with 

the installation standards. Do not clean sprinklers with soap and water, ammonia, or any other cleaning fluid. Do not use adhesives 

or solvents on sprinklers or their operating elements.

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.

CorreCt

(original container used)

inCorreCt

(Placed loose in box)

CorreCt

(Protected with caps)

inCorreCt

(Protective caps not used)

CorreCt

(Piping is in place at the 

ceiling)

inCorreCt

(Sprinkler at floor level)

CorreCt

(Special installation 

wrenches)

inCorreCt

(Designated wrench not 

used)

Summary of Contents for MICROFAST VK354

Page 1: ...tent No 4 831 870 Thread size 3 4 NPT 20 mm BSP Nominal K Factor 8 0 U S 115 2 metric Glass bulb fluid temperature rated to 65 F 55 C Overall Length 2 5 16 59 mm cULus Listing and NFPA 13 installs require a minimum of 7 psi 0 5 bar The minimum operating pressure for LPCB and CE Approvals ONLY is 5 psi 0 35 bar Metric K factor measurment shown is in Bar When pressure is measured in kPa divide the m...

Page 2: ...ist price schedule or contact Viking directly TABLE 1 AVAILABLE SPRINKLER TEMPERATURE RATINGS AND FINISHES Sprinkler Temperature Classification Sprinkler Nominal Temperature Rating1 Maximum Ambient Ceiling Temperature2 Bulb Color Ordinary 135 F 57 C 100 F 38 C Orange Ordinary 155 F 68 C 100 F 38 C Red Intermediate 175 F 79 C 150 F 65 C Yellow Intermediate 200 F 93 C 150 F 65 C Green High 286 F 141...

Page 3: ... Chart 1 UL Viking Microfast Quick Response Conventional Sprinkler VK354 Maximum 175 PSI 12 bar WWP Base Part Number1 SIN Thread Size Nominal K Factor Overall Length Listings and Approvals3 Refer also to Design Criteria NPT BSP U S metric2 Inches mm cULus4 VdS LPCB 8 18261 VK354 3 4 20 mm 8 0 115 2 2 5 16 59 A1 A2 B27 B2 NOTICE Product Below Limited Availability Contact Local Viking Office 06768B ...

Page 4: ... the model of sprinkler used DO NOT install 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 ...

Page 5: ...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 re...

Page 6: ...hese 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 sprinkler...

Page 7: ...r installation to protect 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 th...

Page 8: ...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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