Penstock

Name of Penstock	Size Range(mm)	Media	Work Pressure Head (water column)
1. Manual, motor driven square penstock	300x300~4000x4000	Water, Sewage, Natural water, Seawater	10m
2. Manual, motor driven round penstock	300~3000	Water, Sewage, Natural water, Seawater	10m
3. Light square penstock	300x300~2000x2000	Water, Sewage, Natural water, Seawater	5m
4. Light round penstock	300~2000	Water, Sewage, Natural water, Seawater	5m
5. Adjustable weir	2500x1000~3500x1000	Water, Sewage, Natural water, Seawater	1.5m
6. Plate inserting valve	1500x3700~4000x5000, 1500x3700~4000x3050	Water, Sewage, Natural water, Seawater	2~10m
7. Backwater gate	350~2000	Water, Sewage, Natural water, Seawater	0.25 PN(MPa)