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Page 2 of 7 ® STANDARD RESPONSE • DRY PENDENT STANDARD 41KJNG4ORIFICE SPRINKLERS 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 Visit the Viking website for the latest edition of this technical data page. Pip Cap: Brass UNS-C31400 or UNS-C31600 Pip Cap Adapter: Brass UNS-C36000 Seat(for Sprinklers VK151,VK155, and VK159 only): Copper UNS-C21000 Orifice: Copper UNS-C22000 or UNS-C11000 (Copper UNS-C21000 for Sprinklers VK151, VK155, and VK159) Gasket(for Sprinklers VK151, VK155, and VK159 only): Buna-N Tube: ERW Hydraulic Steel Tube Barrel End and Threads(for Sprinklers VK150,VK154, and VK158): QM Brass Support(Internal): Stainless Steel UNS-S30400 Barrel: Steel Pipe UNS-G10260, Electrodeposited Epoxy Base finish Sleeve(for Adjustable Standard style only): Brass UNS-C26000 or UNS-C26800 Escutcheon Materials: Adjustable Standard Dry Escutcheons: Brass UNS-C26000 or UNS-C26800 Recessed Dry Escutcheons: Cold Rolled Steel UNS-G10080 ENT Coated Adjustable and Recessed Escutcheons: Stainless Steel UNS-S30400 Ordering Information: (Also refer to the current Viking price list.) Order Standard Response Dry Pendent Sprinklers by first adding the appropriate suffix for the sprinkler finish, the appropriate suffix for the temperature rating, and then the suffix for the length ("A"dimension)to sprinkler base part number. Order in a specific length noted as the"A"dimension (see Figures 3 through 5).The"A"dimension is the distance from the face of the fitting (tee)to the desired finished surface of the ceiling. These sprinklers are listed and approved in lengths from 1-1/2"to 45-1/2"(38.1 to 1,156 mm)for the adjustable standard style, 3"to 47" (76.2 to 1,194 mm)for the plain barrel style, and 3-1/4"to 47-1/2" (82.5 to 1,207 mm)for the adjustable recessed style. Lengths exceeding the standard lengths are available,with no approvals, on a"made-to-order" basis: Recessed Dry Pendent up to 65-1/2" (1,664 mm).Adjustable Standard Dry Pendent up to 63-1/2" (1,613 mm). Plain Barrel Dry Pendent up to 65" (1,651 mm). Contact the manufacturer for more information. Finish Suffix: Brass=A, Chrome=F, White Polyester= M-/W, and ENT=JN Temperature Suffix(°F/°C): 155°/68°= B, 175°/79°= D, 200°/93°= E, 286°/141°=G For example, sprinkler VK154 with 1" NPT Threads, a Chrome finish and a 155°F/68°C temperature rating, and"A"length of 10"=Part No. 07740UFB10. Available Finishes And Temperature Ratings: Refer to Table 1. Wrench Accessories: (Also refer to the Viking website.) Flat Protective Sprinkler Wrenches: Sprinkler A. Standard Wrench: Part No. 07297W/B (available since 1991) � Shield B.Wrench for recessed sprinklers: Part No.07565W/Bt(available since 1991) tA'/i'ratchet is required(not available from Viking). Sprinkler Guard: Chrome, with no listings or approvals,for installation on dry pendent sprinklers manufactured after May 1994 only(Part No.08954). Replacement Escutcheons: A.Adjustable Standard Dry Escutcheon: Base Part No. 07741 B. Recessed Dry Escutcheon Cup: Base Part No. 05459A vIKING 07297 O 4. INSTALLATION Refer to appropriate NFPA Installation Standards. 5. OPERATION Figure 1: Standard Sprinkler Wrench 07297W/13 During fire conditions, the heat-sensitive liquid in the glass bulb expands, causing the glass to shatter, releasing the internal parts to open the waterway.Water flowing through the sprinkler orifice strikes the sprinkler deflector, 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. Form No. F_071591 18.06.21 Rev 18.1