penstock
cast iron square penstock
round penstock
stainless steel penstock
stainless steel 304 or 316L penstock
cast iron penstock
cast iron pen stock
plate inserting valve
super light sluice gate (channel sluice gate)
light type round sluice gate
medium type square penstock
square penstock
cast iron or stainless steel pen stock
cast iron or stainless steel channel penstock
wall mounted cast iron or stainless steel penstock
channel penstock
standard:CJ/T 3006, AWWA C501 working water head:10-20m leakage:1.25L/min*m installation way:on the wall, in the earth
