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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 4 of 4

Form No. F_091699     18.10.11    Rev 16.1.P65

USE THE FOLLOWING PRECAUTIONS WHEN HANDLING WAX-COATED SPRINKLERS

Many of Viking’s sprinklers are available with factory-applied wax coating for corrosion resistance. These sprinklers MUST receive 

appropriate care and handling to avoid damaging the wax coating and to assure satisfactory performance of the product.

General Handling and Storage of Wax-Coated Sprinklers:

• 

Store the sprinklers in a cool, dry place (in temperatures below the maximum ambient temperature allowed for the sprinkler temperature rating. Refer 

to Table 1 below.)

• 

Store containers of wax-coated sprinklers separate from other sprinklers.

• 

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

• 

Use original shipping containers.

• 

Do not place sprinklers in loose boxes, bins, or buckets.

Installation of Wax-Coated Sprinklers:

Use only the special sprinkler head wrench designed for installing wax-coated Viking sprinklers (any other wrench may damage 

the unit).

• 

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 

sprinkler 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 the corrosion resistant coating. Thereafter, inspect representative 

samples of the coated sprinklers in accordance with NFPA 25. Close up visual inspections are necessary to determine whether the sprinklers are being 

affected by corrosive conditions. 

Never install sprinklers that have been dropped, damaged, or exposed to temperatures in excess of the maximum ambi-

ent temperature allowed. 

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.

TABLE 1 

Sprinkler Temperature Rating 

(Fusing Point)

Wax Part 

Number

Wax Melting Point

Maximum Ambient 

Ceiling Temperature

1

Wax Color

155 °F (68 °C) / 165 °F (74 °C)

02568A

148 °F (64 °C)

100 °F (38 °C)

Light Brown

175 °F (79 °C)

04146A

161 °F (71 °C)

150 °F (65 °C)

Brown

200 °F (93 °C)

04146A

161 °F (71 °C)

150 °F (65 °C)

Brown

220 °F (104 °C)

02569A

170 °F (76 °C)

150 °F (65 °C)

Dark Brown

286 °F (141 °C)

02569A

170 °F (76 °C)

150 °F (65 °C)

Dark Brown

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.

Replaces Form No. F_091699 Rev 16.1

(Added P65 Warning)

Summary of Contents for MICROFAST VK337

Page 1: ... current Viking price list Order Quick Response Vertical Sidewall Sprinklers by first adding the appropriate suffix for the sprinkler finish and then the ap propriate suffix for the temperature rating to the sprinkler base part number Finish Suffix Chrome F Temperature Suffix F C 155 68 B 175 79 D 200 93 E 286 141 G For example sprinkler VK337 with a Chrome finish and a 155 F 68 C temperature rati...

Page 2: ...D FINISHES Sprinkler Temperature Classification Sprinkler Nominal Temperature Rating1 Maximum Ambient Ceiling Temperature2 Bulb Color 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 C 225 F 107 C Blue Sprinkler Finishes Chrome Footnotes 1 The sprinkler temperature rating is stamped on the deflector 2 Based on NFPA...

Page 3: ...ome Approved Escutcheons Z Installed with standard surface mounted escutch eons only Footnotes 1 Base part number shown For complete part number refer to Viking s current price schedule 2 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 3 This table shows the listings and approvals available at the time ...

Page 4: ...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 5: ...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 6: ... 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 7: ...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 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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