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Pipework
The dimension (x) is calculated from the table below to give you a minimum
effective head of 80 mm which is necessary to produce a satisfactory shower in all
conditions.
Plumbing Schematic Diagram
Example! The example below is based on the diagram above with 15 mm pipework,
A = 1.5 m, B = 0.75 m.
Size
15 mm Pipe
22 mm Pipe
15 mm Elbow
22 mm Elbow
(A)
1.5
+ (B)
(A)
+ (B)
Number of Elbows
Number of Elbows
A
X
Quantity
0.75
=
2.25
=
1
Minimum Effective Head
10
B
Head Loss (mm)
x 120
270
x 20
x 55
x 15
(x) mm
405
55
80
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