Gusseisen Penstock Ventil.

These penstocks are suitable to be used in the water treatmentengineering of various industried and enterprises such as supply and drainage works,metallurgical,electrical power,sewage engineering ect. to cut off the flow. They are rational in construction,uniform in suffering load, nice in sealing property and rigidity,seal leakage conforms to AWWA C501/560 standard. round penstock can be installed on the wall and connected with pipeflange.The connection sizes ae according to GB/T17241.