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i--~ <br />• <br />_. <br />I 1 <br />LJ <br />,"-~ <br />\J <br /> <br />HYDRO <br />GATES FOR <br />IRRIGATION <br />^ t;anal turnouts <br />^ Diversion structures <br />• I1Aeasurement and control <br />of water through the same <br />gate opt~ting <br />• Check gates <br />^ Control of outlets Irom <br />waateways <br />• lateral turnotri <br />s Reservoir inlet and outlet <br />controls <br />• Control Of irrigation water <br />in field distribution <br />Syetem6 <br />Hydro Gates for irrigation aro <br />produced in four basic types: <br />slide gates, flap gates. radial <br />gates and roller gates. Each is <br />available for a variety W waterway <br />apanlnpa end water daptha, thvc <br />providing ecoromiul aetsctiona <br />rer apacific Instatlatlons. <br />Slide Gala <br />Than an favenl types of slide <br />gatca for use In k-Igatlon. Hydro's <br />tlaaVy duty alUtt:e gates a-Y used <br />prlmanly for control of flow from <br />reiervoira. <br />Fabriuttd fuel slide gotcs arc <br />used w control flow at "ra^ in <br />anal ayatems, in ssndtrapc and <br />Lvgc sized opening for bypassing <br />o- dumping fbodwater. <br />plladium duly aluicc gates are <br />u^^„od for control of (low from low <br />head rtaenrolrs and Iron taint <br />po+td+. <br />Turnout gatoa era used Iw di- <br />venion awcwros, canal wmouta <br />b farms, lateral controls on larmc, <br />measurement and cohtrol of Irrl- <br />gation water end in dislrilwtion <br />ayaknb en the farm. See follow- <br />ing pages Ior infornWtion. <br />frMlp fiialsa <br />Automatic drainage or HaP gates <br />allow for flow in one direction but <br />pravont the waMr from (lowing <br />back through the gate. They open <br />automatieaHy under a backhead <br />and cross aulomaticaly under • <br />-~.~''~ <br />srcTiorr ro <br />aR,-r.aae6 Ne[ t <br />r, l'Jtl <br />~PCatMad. Hydro manulactwea <br />sevwsl models cat flap gales. <br />Radhl and RalMr Giles <br />Those tyfres of gutrs are usod ro <br />Control IIOr 16rwgh large t10er <br />waterway openings. In Irrlgadon <br />work they ern nesdr olwaya ured <br />ror control of Iwv heads up to 1a <br />toot depth. They ors used w~e- <br />what InbrchangeaDly depending <br />upon the configuration o} the <br />structure in which they are fo be <br />placed. These gates ua used to <br />control large lbws of wafor from <br />reservoirs or s4xage pond:, di- <br />version structures on netursl <br />streams and at Inltlb to Irrigation <br />unak ro r.golar. flow. They aloe <br />are used t0 Provide large clear <br />waterway openings to flush wad <br />or silt traps. They are installCtf on <br />fops of dams or in spilMays to in- <br />crcax storage rapacity. <br />These gales are conVOlled by <br />hand operated hoists and lifts. <br />Lifts may be acwated by electric <br />motors or oporrltod by twrtabN <br />electric or gasoline driven de- <br />vices to seve on labor, fo give <br />faster operation, or b give auto- <br />matic control. <br />ss a)9e~ oriel ~4i se-to-•+S 16Li-a9Z-Za! :xeJ AMOdY01 Ya0iM3'llnd ,aotif <br />