Cludwyr Sgriw

Diamedr Pibell Allanol

Hyd

(m)

Trwybwn

(m³）

Grym

%（kw)

Cymhareb arafu

219

1.0-4.0

40

5.5

1:5

4.5-6.0

7.5

1:5

6.5-9.0

9.2

1:5

9.5-12.0

11

1:5

12.5-14.0

15

1:5

Diamedr Pibell Allanol

Hyd(m)

Trwybwn

(㎥)

Grym

(kw)

arafiad

cymhareb

273

1.0-3.0

70

5.5

1:7

3.5-4.5

7.5

1:7

5.0-6.0

9.2

1:7

6.5-8.0

11

1:7

8.5-13.0

15

1:7

13.5-14.0

18.5

1:7