TFP658
Page 4 of 16
2
1
3
3
NOTES:
2.
1.
3. THREAD ADAPTER NOT APPLICABLE WHEN
INSTALLING SPRINKLER DIRECTLY IN ISO 228 G3/8"
OUTLET THREADS OF CPVC SPRINKLER ADAPTER
FITTING (REF. FIGURES 4 AND 6)
MINIMUM THREAD ENGAGEMENT APPROX.
3/16" (5 mm) = 3 FULL REVOLUTIONS AFTER INITIAL
ENGAGEMENT OF SPRINKLER INLET THREADS WITH
THREAD ADAPTER OUTLET THREADS
SPRINKLER FITTING AND WATERWAY CENTERLINE
MUST BE PERPENDICULAR TO ESCUTCHEON
MOUNTING SURFACE
3/16" (5 mm)
MINIMUM THREAD
ENGAGEMENT
7/16"
(11 mm)
NOMINAL
MAKE-IN
FACE OF
SPRINKLER
FITTING
FACE OF
THREAD
ADAPTER
SPRINKLER
FITTING AND
WATERWAY
CENETRLINE
STYLE J OR K
ESCUTCHEON
CEILING
OR WALL
ESCUTCHEON
MOUNTING
SURFACE
CLEARANCE
HOLE
CEILING
OR WALL
COVERING
MATERIAL
FACE OF
FRAMING
MEMBER
SPRINKLER
BODY ENGAGED
BY ESCUTCHEON
PRONGS
A
B
SPRINKLER
FITTING
THREAD
ADAPTER
Thread
Adapter
Size
Thread
Adapter
Length
Inches
(mm)
A
Inches
(mm)
B
Nominal
Inches
(mm)
Pendent
Horizontal
Sidewall
Min.
Max.
Min.
Max.
Short
3/4
(19)
1-1/4
(32)
1-3/4
(44)
1-1/2
(38)
2
(51)
5/16
(8)
Standard
1
(25)
1-1/2
(38)
2
(51)
1-3/4
(44
2-1/4
(57)
9/16
(14)
Medium
1-1/2
(38)
2
(51)
2-1/2
(64)
2-1/4
(57)
2-3/4
(70)
1-1/16
(27)
Long
2
(50)
2-1/2
(64)
3
(64)
2-3/4
(70)
3-1/4
(83)
1-9/16
(40)
FIGURE 5
RAVEN STUDIO SPRINKLERS
PENDENT AND HORIZONTAL SIDEWALL INSTALLATION CRITERIA