Johnson Controls DS-2 Series Manual page 4

TFP540
Page 4 of 8
FACE OF
SPRINKLER
FITTING
ORDER LENGTHS:
3" to 48"
(76,2 to 1219,2 mm)
IN 1/4" (6,4 mm)
INCREMENTS
FACE OF
CEILING
*
2-1/4±1/8"
(57,2±3,2 mm)
SERIES DS-2 DRY-TYPE PENDENT SPRINKLER (ECLH/ECOH)
WITH FLUSH ESCUTCHEON (TY5238)
FACE OF
SPRINKLER
FITTING
ORDER LENGTHS:
3-1/2" to 48"
(88,9 to 1219,2 mm)
IN 1/4" (6,4 mm)
INCREMENTS
FACE OF
CEILING
*
1-5/8±1/8"
(41,3±3,2 mm)
SERIES DS-2 DRY-TYPE PENDENT SPRINKLER (ECLH/ECOH)
WITH RECESSED ESCUTCHEON (TY5238)
SPRINKLER FITTING
(REFER TO DESIGN
CRITERIA SECTION)
3-5/8" DIA.
(92,1 mm)
2-3/4" DIA.
(69,9 mm)
FIGURE 2
SPRINKLER FITTING
(REFER TO DESIGN
CRITERIA SECTION)
3-5/8" DIA.
(92,1 mm)
2-3/4" DIA.
(69,9 mm)
FIGURE 3
*
ESCUTCHEON
(800 mm to 895 mm)
WILL PERMIT
±1/4" (6,4 mm)
ADJUSTMENT (902 mm to 1003 mm)
(1010 mm to 1105 mm)
(1111 mm to 1219 mm)
Notes:
K-factor Length is determined as follows:
• Flush: Order Length from Figure 2 plus 1/2 in.
• Recessed: Order Length from Figure 3 plus 1/4
• Extended: Order Length from Figure 4 plus 3-1/4
• Without Escutcheon: Order Length from Figure 5
*
ESCUTCHEON
WILL PERMIT
±3/8" (9,5 mm)
ADJUSTMENT
K-factor
K-factor,
LENGTH,
gpm/psi
Inches
(Lpm/bar
(mm)
2-1/2 to 6-1/4
(63 mm to 159 mm) (161,3)
6-1/2 to 10-1/2
(165 mm to 267 mm) (159,8)
10-3/4 to 14-3/4
(273 mm to 375 mm) (158,4)
15 to 18-3/4
(381 mm to 476 mm) (157,0)
19 to 23
(483 mm to 584 mm) (155,5)
23-1/4 to 26-3/4
(591 mm to 679 mm) (154,1)
27-1/4 to 31-1/4
(692 mm to 794 mm) (152,6)
31-1/2 to 35-1/4
(151,2)
35-1/2 to 39-1/2
(149,8)
39-3/4 to 43-1/2
(148,3)
43-3/4 to 48
(146,9)
(12,7 mm)
in. (6,3 mm)
in. (82,6 mm)
minus 2-1/4 in. (57,2 mm)
TABLE D
DISCHARGE COEFFICIENTS
1/2
1/2 )
11.2
11.1
11.0
10.9
10.8
10.7
10.6
10.5
10.4
10.3
10.2