TFP485
Page 7 of 14
CPVC and Copper Pipe
Steel Pipe
(Internally Galvanized for Residential Dry Pipe Systems)
Residential
Sprinkler
Type
Potable
Water
Non-Potable
Water
Residential
Sprinkler
Type
Potable
Water
Non-Potable
Water
Ambient
Temperature
Ambient
Temperature
Ambient
Temperature
Ambient
Temperature
< 40°F
(< 4,4°C)
≥ 40°F
(≥ 4,4°C)
< 40°F
(< 4,4°C)
≥ 40°F
(≥ 4,4°C)
< 40°F
(< 4,4°C)
≥ 40°F
(≥ 4,4°C)
< 40°F
(< 4,4°C)
≥ 40°F
(≥ 4,4°C)
Pendent
(a)
N/A
✓
Example 2
N/A
✓
Example 1
Pendent
(a)
N/A
✓
Example 1
N/A
✓
Example 1
Sidewall
(b)
✓
Example 3
✓
✓
Example 3
✓
Sidewall
(b)
✓
Example 3
✓
✓
Example 3
✓
Dry-Type
(c)
Pendent
✓
Example 4
✓
✓
Example 4
✓
Dry-Type
(c)
Pendent
✓
✓
✓
✓
a. Recessed Pendent, TY2234; Data Sheet TFP400
Domed Concealed Pendent TY2234; Data Sheet TFP450
Flat Plate Concealed Pendent, TY3596; Data Sheet TFP442
b. Recessed Horizontal Sidewall,TY1334; Data Sheet TFP410
c. Dry-Type Recessed Pendent, TY2235; Data Sheet TFP460
CPVC DRY-TYPE
SPRINKLER TEE
(P/N 80259)
SPRINKLER INLET
ABOVE TRAPPED
WATERLINE
CEILING
SIDEWALL
FIGURE 4
SPRINKLER CONFIGURATIONS FOR RESIDENTIAL DRY PIPE SYSTEMS
PER NFPA 13D
EXAMPLE 1
RETURN
BEND
EXAMPLE 2
NO RETURN BEND
REQUIRED
EXAMPLE 3
SIDEWALL
(NO TRAPPING OF WATER)
EXAMPLE 4
DRY PENDENT USING CPVC TEE
FOR DRY SYSTEMS
