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13
INSTALLATION INSTRUCTIONS
The horizontal pipe layout should avoid converse flow or bad flow:
Drainage pipe
Water flow
Drainage pipe
Drainage pipe
Drain
tee
Drain
tee
Water flow
Water flow
Water flow
Water flow
Water flow
Water flow
Water flow
Water flow
Drain
tee
Water flow
Water flow
Keep a certain degree
Branch pipe
Branch pipe
Gas
Gas
Main pipe
Main pipe
Fig.30
PVC pipe
PVC pipe
Reference value of inner
diameter of pipe
(mm)
Reference value of inner
diameter of pipe
(mm)
PVC 25
PVC 25
20
20
Slope 1/50
39
70
125
247
473
27
220
50
410
88
730
175
1440
334
2760
Remark
Remark
For branch pipe
For branch pipe
Could be used for
confluence pipe
Could be used for
confluence pipe
Slope 1/100
Allowable maximum water flowrate
(l/h)
Allowable maximum water flowrate
(l/h)
25
25
31
31
40
40
51
51
PVC 32
PVC 32
PVC 40
PVC 40
PVC 50
PVC 50
PVC 63
PVC 63
For horizontal drainage pipe
(The following table is for reference)
Attention: Adopt PVC40 or bigger pipe to be the main pipe.
For vertical drainage pipe
(The following table is for reference)
Attention: Adopt PVC40 or bigger pipe to be the main pipe.