When attached to corrugated steel pipe, the spigot back style seat is used. Sluice gates are commonly used to control water levels and flow rates in rivers and canals. For over 22 years, we have specialized in precision fabricated aluminum and stainless steel slide and weir gates for use in the the water and wastewater treatment industry. Reduction gear mechanisms including chain driven sprockets used to control the speed of the gate and to provide a mechanical advantage to overcome the forces involved in lifting the gate.
Heavy duty sluice gates awwa c560 compliant heavy duty cast iron slide gates hydro gate series hg 560 cast iron slide gates are used to control the flow of fluid through openings under seating and unseating head. How to merge pdfs and combine pdf files adobe acrobat dc. Water flows under a sluice gate with an opening height of 0. Pdf sluicegate discharge coefficient is an involved function of geometric and hydraulic parameters. This specification should be used as a guidance for gates selection and operating equipment and associated hardware. At sections 1 and 2, the flow is uniform and the pressure is hydrostatic. Waterman can supply anchor bolts of all materials, including galvanized steel and silicon bronze.
The moutoa sluice gates the curving reinforced concrete structure contains nine steel radial gates, each 15 m wide by 4. As with the f type thimble, the small inner staff of the e provides both a holding cleat and a water stop. The uniquely designed bronze seats lock into a dovetailed groove in the gate frame and disc, creating a tight seal for low leakage. Sluice definition is an artificial passage for water as in a millstream fitted with a valve or gate for stopping or regulating flow. What is the difference between the sluice gate and. Di nicola design and manufactures gates wall mounted, channel mounted, on sitting seal, off sitting seal, with twoway sealing, type spillway and bottom outlet armed, with manual, electric, hydraulic and gravity in steel construction en s275j0, stainless steel aisi 304, aisi 316, aluminum, duplex and super duplex high in nickel, with sizes ranging from 300 to 30,000 mm. Analysis of sluice gates of hydroelectric power stations. The economics of water infrastructure investment timing.
Select which of these two types of equipment is most appropriate for your requirement. We bring an unmatched level of detail, responsiveness and commitment to the production of high quality, low leakage gates. Sluice gates consist of an aperture within existing floodgate with a sliding plate cover that can be opened to varying degrees. Based on a modular system, every model can be individually adjusted to the local conditions. Actuators for sluice gates alternatives to commercially available products. The terms sluice gate, knife gate, and slide gate are used interchangeably in the waterwastewater control industry. Rodney hunt cast iron sluice gates have a long history of successful performance. A lifting nut that rotates to raise and lower the stem. Industrial lifting equipment sluice gate drive haacon.
What are the differences between a sluice gate and flood. Fabricated gates are considerably less expensive in comparison to cast iron sluice gates. But by increasing the depth of input flow and utilization of the next gates, the rate of energy dissipation caused by the flow through successive sluice gates was increased to. Hydro gate cast iron slide gates, formerly known as sluice gates, are used to control the flow of fluid through openings under seating or unseating head.
If you have project specific questions or would like to receive an estimate or quotation please give us a call or submit your rfq today. Sluice gates and application to discharge measurement. Optional features these sluice gates are suitable for seating and unseating water head. Sluice gates are provided for controlled supply of water from any water source like dam,canal,river etc. Sluice gates commonly control water levels and flow rates in rivers and canals. Pdf sluice gate discharge coefficient is an involved function of geometric and hydraulic parameters. The discharge under sluice gates can be determined through different discharge methods.
The terms sluice, sluice gate, knife gate, and slide gate are used interchangeably in the water and wastewater control industry a sluice gate is traditionally a wood or metal barrier sliding in. Watch technologies designs and manufactures all types, sizes of sluice and slide gates, sold separately or as system. We use a wide variety of different materials, actuator mechanisms and finishes expertly optimised by our engineers to best suit your technical, environmental and operation needs. We offer large scale manufacturing capabilities with the ability to produce cast iron gates up to 14 x 16 in size, and fabricated gates up to and over 20 in width or height. The maximum head under which a sluice gate can be used depends primarily on the type of application and the size. They are raised by a pulley system attached to the concrete piers and are operated by a series of electric motors. These devices are often used in water treatment plants, mining, dams, rice fields, and cranberry bogs, among other places. Browse companies that make hydraulic sluice gates and view and download their free cad details, revit bim files, specifications and other content relating to hydraulic sluice gates as well as other product information formated for the architectural community.
Many gates installed more than 100 years ago remain in service today. Calculation of contraction coefficient under sluice gates. Extended flangeback p32 sluice gate control gates for. Calibration of submerged multisluice gates cyberleninka. Claro provides comprehensive wastewater and water treatment solutions to a wide range of municipal, industrial, and agricultural clients. The important factor consider during design is the height of water in closed condition should be less than height of gates. Their discharging capacity is very less as compared to spillway.
Drive mechanism this is the mechanism that drives the gate. Open channel gates have no frame member or seal at the top of the slide. Compliant with awwa c560 bestinclass construction for. We are rocksolid, backed by an industryleading manufacturer that brings 6 generations of experience in water control combined with personnel with a deep expertise in gates. Special series gates should be described by size and. Sluice gate flow metering is often used to measure flow rate in open channels. At sluice gate world we manufacture a range of products including weir gates, penstocks, stop gates, stop logs as a range of speciality fluid products on request. Under seating pressure, fluid exerts a force on the front of the gate. In addition there are three other sets of sluice gates one at the end of the mill pond, one on the main river at the old mill house at city bank, both operated by the respective landowners, and another at gumstool. Cast iron sluice slide gates waterman cast sluice gates are used in applications where safety and reliable performance are essential dams, tidal environments, water treatment plants and where outstanding product longevity is desired. Section 11100 sluice gates part 1general fill in the blank with a short description of sluice gate usage, i. A mill race, leet, flume, penstock or lade is a sluice channelling water toward a water mill. The most spectacular canal of this period was probably nahrawan, 400 feet wide and 200 miles long, built to. They are designed for either open channel use or aperture type applications.
Sluice gates sluice gates can be classified according to. We can also consider the energy on both sides of the gate neglecting any losses due to friction 22 11 2 2 2212 i have adopted the subscripts of the text where 1 denotes upstream and 2 denotes downstream. Sluice gate slide gate manufacturers watch technologies. A sluice gate is traditionally a wooden or metal plate which slides in grooves in the sides of the channel. The depth of water upstream of the gate is typically much deeper than the water downstream. Sluice gates are commonly used in canals for control and measurement of the flow. This style seat allows for a simple bolted connection to the pipe or the use of a rod and lug harness assembly to mount the gate to the pipe.
Standard sluice gate slide gate undershot bottomup any size, flush and channel mount, fit into slots to replace boards, any size weir gate topdown overshot for flow measurements. Manual lifts gates shall be provided with either a handwheel or gear operated with cast bronze drive nuts threaded to engage the operating stem. North chicago pump station ps4 wet well sluice gates. This opening can be vertical, horizontal or rotational in design. Gates, stems, lifts and other appurtenances shall be the size, type, material and construction as shown on the drawings and specified herein. Stainless steel is the most commonly preferred material, and is available either plain or epoxy coated. Irrigation training and research center itrc california polytechnic state university cal poly.
Waterman cast sluice gates are used in applications where safety and reliable performance are essential dams, tidal environments, water treatment plants and where outstanding product longevity is desired. Hydro gates expansive 90,000 square foot manufacturing facility utilizes precision equipment that allows us to merge timetested gate design with cutting edge technology. What is the difference between the sluice gate and spillway. Anchor bolts are commonly used to mount sluice gates and other control gates to a headwall in the absence of thimbles. Full line of customer square and rectangular knife gates that can be fabricated in 34 weeks where others are 810 weeks or even more. In saltwater or other aggressive fluids, niresist cast iron 18% to 22%. Apr 09, 2020 a sluice gate is a mechanism used to control water flow. Gates shall meet the requirements of awwa specifications c501 latest revision. Pdf the hydraulic characteristics of a side sluice gate were studied experimentally. For information on sluice gates not listed, please contact the rodney hunt representative in your area, or call us directly at 9785442511. Canada, ontario slide gate engineering company service benefits of going with a slide gate instead of a cast iron sluice gate. Sluice gates definition of sluice gates by the free.
Stainless steel sluice gates suggested specifications. Sluice gates are used to control flow typically out of an impounded body of water. With seating or face pressure, fluid exerts a force on the front of the gate. Calculation of contraction coefficient under sluice gates and. They are generally provided for canals or for feeding reservoir. Waterman cast gates are preferred for highhead up to 200 and high debris. Sluice gates can be designed to withstand seating heads of 200 ft. In the tworegion model, regions 1 and 2 are merged into one sole region. The pressure of the water forces the gate slide against the frame which causes the gate to seal tightly. Consistent evironment they serve best when installed in locations where they function as normally open or normally closed isolation gates and less demanding environments. The analysis is accomplished by numerical as well as experimental methods of mechanics and in some cases simple treatments of classical analytical methods are also used. Discharge coefficients for sluice gates set in weirs at. Leakage 12 of awwac560 standards for cast iron gates fullyadjustable wedges and pressure bars available in type 304 or 316 grades corrosive resistant stainless steel the golden harvest, inc.
Some of the 5 applications covered earlier can be met by using either sluice gate or a stoplogs. A sluice gate is traditionally a wood or metal barrier sliding in grooves that are set in the sides of the waterway. Canada, ontario slide gate engineering company services. The aperture size can be adjusted to vary the amount of inflow to suit site conditions so water level control is good. When gate openings are large, the head loss through the gate is small and the flow is largely sub merged. Sluice gates installation on wall thimbles a sluice gate should be set on wall thimble studs or anchor bolts as a complete unit. It is essential that the gate disc be firmly wedged in the closed position so that the unit will be held rigid to prevent distortion.
The sluice gate can be lifted by the stem hole in the disc. Pdf discharge characteristics of skew sluice gates talib. Issn 07339429 any correspondence concerning this service should be sent to the repository administrator. An artificial channel for conducting water, with a valve or gate to regulate the flow. The most spectacular canal of this period was probably nahrawan, 400 feet wide and 200 miles. How to build and operate sluice boxes heckler fabrication. Flow through side sluice gate article pdf available in journal of irrigation and drainage engineering 1296 december 2003 with 2,216 reads how we measure reads. They shall be waterman p32 sluice gates or approved equal. In the paper are given basic steps necessary for analysis of strength, reliability and residual lifespan of sluice equipments used in hydroelectric power stations.
The sluice gate flow rate measurement is based on the bernoulli equation and can be expressed as 12. The gates are typically made of wood or metal, and often slide vertically on a frame to open or close, allowing water to flow out of a space or to be contained in it. Compliant with awwa c560 bestinclass construction for long. These specially designed valves are fully customizable to meet any specification. The terms sluice, sluice gate, knife gate, and slide gate are used interchangeably in the water and wastewater control industry. Gh100 fully wedged stainless steel sluice gate has been in the industry since 1988. A sluice gate is a mechanism used to control water flow. Cast iron sluice gates provide the rigidity minimum. Because of the number of gates involved, the heads for which these gates are suitable, and the several configurations in which the gate can be furnished, the best way to describe the sluice gate is by size of gate and the head for which it is designed, such as 60 x 72, 45. All of this equipment was used in two different locations having very different dispositions and types of gold between march 12th and august 5th of 2009. But by increasing the depth of input flow and utilization of the next gates, the rate of energy dissipation caused by the flow through successive sluice gates was increased to about 1522 percent. Stainless steel sluice gate specifications stem guides guides shall be constructed of stainless steel, bronze bushed, adjustable and spaced to provide and lr ratio of 200 or less. Neglecting bottom friction and atmospheric pressure, decide the velocities 8 5 and 8 6, and the horizontal force required to hold the gate if d 56 m, d 61 m, and l5 m.
Double stem sluice and weir gate duals stems for blade stability in wide openings and very heavy gates. The phoenicians, assyrians, sumerians, and egyptians all constructed elaborate canal systems. This section specifies sluice gates of cast iron construction for. Sluice gate drive sluice gate drive to open and close sluice gates on canals and rivers.1172 615 180 1042 114 97 1144 623 600 567 1476 40 1188 620 503 1071 257 1139 231 411 1403 1142 1525 895 1148 1160 1317 1359 658 295 315 1101 87 58 294 1487 640 1480 118 87 954 66 897 627 938