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Technical Data - Viking VK572 Technical Data Manual

Ec/qrec ordinary hazard pendent sprinkler

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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
Accessories: (Also refer to the Viking website.)
Sprinkler Wrenches:
A. Standard Wrench: Part No. 07297W/B (available since 1991)
B. Wrench for coated and/or recessed pendent sprinkler: Part No.
13032W/B
(available since 2004)
**
**A ½" ratchet is required (not available from Viking).
Sprinkler Cabinets:
A. Six-head capacity: Part No. 01724A (available since 1971)
B. Twelve-head capacity: Part No. 01725A (available since 1971)
4. INSTALLATION
Refer to appropriate NFPA Installation Standards.
5. OPERATION
During fire conditions, when the temperature around the sprinkler reaches
its operating temperature, the heat-sensitive liquid in the glass bulb
expands, causing the bulb to shatter, releasing the pip cap and sealing
spring assembly. 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
7. AVAILABILITY
The Viking Model VK572 Sprinkler is available through a
network of domestic and international distributors. See The Viking Corpora-
tion 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.
Figure 2:
Form No. F_072313
19.02.21
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
Wrench 13032W/B for Recessed and/or Coated Sprinklers (Pendent Sprinker VK572 shown)
Rev 19.1

TECHNICAL DATA

EC/QREC ORDINARY
HAZARD PENDENT
SPRINKLER VK572 (K14.0)
Figure 1:
Standard Sprinkler Wrench 07297W/B
(Pendent Sprinkler VK572 shown)
Page 2 of 6

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This manual is also suitable for:

K14.0