Viking MICROMATIC VK104 Technical Data Manual

Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com
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1. DESCRIPTION
The Micromatic Viking Standard Response Horizontal Sidewall Sprinkler VK104 is
®
a small thermosensitive glass bulb spray sprinkler available with various finishes and
temperature ratings to meet design requirements. The special Polyester and Electroless
Nickel PTFE (ENT) coatings can be used in decorative applications where colors are
desired. In addition, the ENT and Polyester coatings have been investigated for
installation in corrosive environments and are listed/approved as indicated in the Approval
Chart(s).
2. LISTINGS AND APPROVALS*
cULus Listed: Category VNIV
FM Approved: Class Series 2000
LPCB Approved
CE Certified: Standard EN 12259-1, EC-certificate of constancy of
performance 0832-CPR-S0021, EC-Certificate of Conformmity 0832-
CPD-2001
China Approval: Approved according to China GB standard.

NOTE: Other international approval certificates are available upon reqeust.
* Refer to the approval charts and design criteria for Listing and approval requirements that
must be followed.
3. TECHNICAL DATA
Specifications:
Minimum Operating Pressure: 7 psi (0.5 bar)
Rated to 175 psi (12 bar) water working pressure
Factory tested hydrostatically to 500 psi (34.5 bar)
Nominal K-Factor: 5.6 U.S. (80.6 metric*)
* 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.
Glass-bulb fluid temperature rated to -65 °F (-55 °C)
Overall Length: 2-1/2" (64 mm)
Material Standards:
Frame Casting: Brass UNS-C84400 or QM Brass
Deflector: Copper UNS-C19500
Bulb: Glass, nominal 5 mm diameter
Belleville Spring Sealing Assembly: Nickel Alloy, coated on both sides with PTFE Tape
Screw: Brass UNS-C36000
Pip Cap and Insert Assembly: Copper UNS-C11000 and Stainless Steel UNS-S30400.
For ENT Coated Sprinklers: Belleville Spring-Exposed, Screw and Pip Cap-ENT Coated
For Polyester Coated Sprinklers: Belleville Spring-Exposed
Ordering Information: Refer to Table 1.
4. INSTALLATION
Refer to appropriate NFPA Installation Standards.
5. OPERATION
During fire conditions, the heat-sensitive liquid in the glass bulb expands, causing the glass 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 Micromatic Viking Standard Response Horizontal Sidewall Sprinkler VK104 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. GUARANTEE
For details of warranty, refer to Viking's current list price schedule or contact Viking directly.
Form No. F_033514 19.11.18 Rev 19.4
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
MICROMATIC STANDARD
®
RESPONSE HORIZONTAL
SIDEWALL SPRINKLER
VK104 (K5.6)
Horizontal Sidewall
For Light Hazard Occupancies Only
Replaces Form F_033514 Rev 19.3
(Revised China Approval; Obsoleted 19777)
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