Installation
*INSTALLATION*
57
2.Pipe diameter
depending on total
pipe length
Total pipe length=46'11"(14.3m)
Maximum permissible total pipe length
62'4"(19m)=Ø6"(150mm) internal pipe diameter (see Table2)
3.Total pipe length
PDR918/518
Steel pipe L3 = 6'6"(2.0m)
Steel pipe L4 = 6'6"(2.0m)
90° concertina pipe
elbow (r=2d)
B3 = 10'6"(3.2m)*
45°elbow (r=2d) B4 = 2'3"(0.7m)*
90°elbow (r=d) B5 = 6'2"(1.9m)*
Total duct length 32' 1 13/16" (9.8m)
* Substitute pipe lengths according to Table1
4.Pipe diameter
depending on total
pipe length
Total pipe length =32' 1 13/16" (9.8m) (PDR918/518)
Maximum permissible total pipe length
49'2"(15m)=Ø6"(150mm) internal pipe diameter (see Table2)
5.Total duct diam-
eter
According to Table3
Duct diameter
PDR914/514
Ø6"(150mm)
=273/8"²(177cm²)
Duct diameter
PDR918/518
Ø6"(150mm)
=273/8"²(177cm²)
Total cross sectionA =
5413/16"²(354cm²
)
Total duct diameter =
Ø811/16"(220mm)