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TECHNICAL DATA

QREC CONCEALED HSW

SPRINKLER VK638-D (K8.0)

Page 6 of 7

Form No. F_082211 19.09.23 Rev 19.1

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: [email protected]

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

Figure 4:

Sprinkler Dimensions and Cover Installation

Figure 5:

Identification of Custom Paint Color for

Concealed Covers

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Содержание VK638

Страница 1: ... that must be followed 3 TECHNICAL DATA Specifications Available since 2012 Maximum Working Pressure 175 psi 12 bar Factory tested hydrostatically to 500 psi 34 5 bar Thread size 3 4 20 mm NPT Nominal K Factor 8 0 U S 115 2 metric Metric K factor measurement is 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 L...

Страница 2: ...flow shaper forming a uniform spray pattern to extinguish or control the fire 6 INSPECTIONS TESTS AND MAINTENANCE Refer to NFPA 25 for Inspection Testing and Maintenance requirements 7 AVAILABILITY Viking Sprinkler VK638 is 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 GUARA...

Страница 3: ... 165 F 74 C cover 135011 Cover Plate Finishes 1 Polished Chrome Painted White7 Painted Ivory7 or Painted Black7 Footnotes 1 Part number shown is the base part number For complete part number refer to current Viking price list 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 chart shows ...

Страница 4: ...cover 135011 Y 165 F 74 C cover 135011 Cover Plate Finishes 1 Polished Chrome Painted White7 Painted Ivory7 or Painted Black7 Footnotes 1 Part number shown is the base part number For complete part number refer to current Viking price list 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 Thi...

Страница 5: ...cular to the ceiling see Figure 3 THE TOP SURFACE OF THE DEFLECTOR IS MARKED TOP The sprinkler must be oriented as shown in Figure 3 Minimum distance between sprinklers is 12 ft 3 7 m 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 T...

Страница 6: ...rk 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 www vikinggroupinc com Figure 4 Sprinkler Dimensions and Cover Installation Figure 5 Identification of Custom Paint Color for Concealed Covers ...

Страница 7: ...10 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 www vikinggroupinc com Figure 6 Sprinkler VK638 Installed Replaces Form No F_082211 Rev 14 1 P65 Added ENT ...

Страница 8: ...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...

Страница 9: ...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 ...

Страница 10: ... 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...

Страница 11: ...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...

Страница 12: ...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...

Страница 13: ...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...

Страница 14: ...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...

Страница 15: ...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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