This is a new slide valve arrangement, it includes a housing having a longitudinal axis and a disc valve or {TAIL ~ gate} movable by {HEAD ~ external hydraulic or mechanical actuator} 
This is a new slide valve arrangement , it includes a housing having a longitudinal axis and a disc valve or { TAIL ~ gate } movable by { HEAD ~ external hydraulic or mechanical actuator }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD