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Page 5 of 5
MicrofastHP
QUICK
®
RESPONSE FUSIBLE
TECHNICAL DATA
ELEMENT HSW HIGH PRES-
SURE SPRINKLER VK346 (K2.8)
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 www.vikinggroupinc.com.
Minimum
Minimum
1-7/16"
1-7-16"
(37 mm)
(37 mm)
2-1/8"
2-1/8"
(54 mm)
(54 mm)
2-1/16"
2-1/4"
(52 mm)
(57 mm)
Maximum
Maximum
Installed with the
Wall Opening Size:
Installed with the
Micromatic Model E-1
2-5/16" (59 mm) minimum
Threaded Model E-2
Recessed Escutcheon
Recessed Escutcheon
2-1/2" (64 mm) maximum
Figure 4: Sidewall Sprinkler Dimensions with the Model E-1 and E-2 Recessed Escutcheons
1/8"
Wall opening size with the
Adjustable
Model G-1 Escutcheon:
(3 mm)
Adjustable
Outer
2-5/8" (66 mm) minimum
Adapter
Cup
3-3/4" (95 mm) maximum
Ring
4"
2-5/8"
(102 mm)
(66 mm)
Depth
1-1/16"
1-1/16"
Maximum Recess:
(27 mm)
(27 mm)
1/2" (13 mm)
** A 1/2" ratchet is required
Step 2: Carefully press the wrench onto the
(not available from Viking)
sprinkler wrench flats.
Figure 5: Sidewall Sprinkler Dimensions with the Model G-1 Escutcheon
Replaces Form No. F_071614 Rev 20.1
Form No. F_071614
21.03.05
Rev 21.1
(Removed bushed part numbers)
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