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. Gate flow is known to be subjected by scale effects. Browse companies that make sluice gates and view and download their free cad details, revit bim files, specifications and other content relating to sluice gates as well as other product information formated for the architectural community. Adobe acrobat reader dc software is the free global standard for reliably viewing, printing, and commenting on pdf documents. Sluice gates installation on wall thimbles a sluice gate should be set on wall thimble studs or anchor bolts as a complete unit. Actuators for sluice gates alternatives to commercially available products. North chicago pump station ps4 wet well sluice gates. Pdf analysis of rectangular side sluice gate researchgate. Compliant with awwa c560 bestinclass construction for long. The sluice gates listed are not the only sluice gates available from rodney hunt, but are the most common sizes and design heads. The plastifab organization boasts a unique combination engineering and manufacturing experience and capabilities that enables them to offer high strength, high quality engineered composite gates and guides made to close. Analysis of rectangular side sluice gate by prabhata k.
A sluice is a water channel controlled at its head by a gate. Hydraulic characteristics and discharge control of sluice. We can also fit nonresilient metal or thermoplastic seals to wallmounted sluice gates, if specially required, and to ensure effective sealing, adjustable wedges would be used. These devices are often used in water treatment plants, mining, dams, rice fields, and cranberry bogs, among other places. The evolution of sluice and slide gates water online. 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. Example sluice gate a sluice gate controls flow in open channels. Conventionally, managing sluice gates and waterway on site was extremely laborinsentive. Calculation of contraction coefficient under sluice gates and.
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. Under the design unseating head, leakage shall not exceed 0. The river and waterway management system links the clients office with sluices and other equipments through dedicated lines, enabling operators to remotely control the gates and collect. The depth of water upstream of the gate is typically much deeper than the water downstream.
The guides are cast as an integral part of the frame to. Consistent evironment they serve best when installed in locations where they function as normally open or normally closed isolation gates and less demanding environments. And now, its connected to the adobe document cloud. Minimum gate openings as a function of channel width are presented for water flow such that the froude similarity law applies. Stainless steel is the most commonly preferred material, and. Hydraulic performance of sluice gate with unloaded. Under the design seating head, the leakage shall not exceed 0. This opening can be vertical, horizontal or rotational in design. Its the only pdf viewer that can open and interact with all types of pdf content, including. Sluice definition is an artificial passage for water as in a millstream fitted with a valve or gate for stopping or regulating flow.
The terms sluice, sluice gate, knife gate, and slide gate are used interchangeably in the water and wastewater control industry. Special series gates should be described by size and. Series 20 sluice gates fontaineaquanox sluice gates are made entirely of stainlesssteel and uhmwpe. They are designed for either open channel use or aperture type applications. Sluice gates can be designed to withstand seating heads of 200 ft. The series 6400 slide gate is normally installed on corrugated steel pipe or bolted to a concrete head wall or steel flange. Sluice gates have a virtually watertight seal due to their precision finish, using uhmwpe ultrahigh molecular weight polyethylene as a sealing surface against an aluminum or stainless steel slide plate. Some of the 5 applications covered earlier can be met by using either sluice gate or a stoplogs. Under seating pressure, fluid exerts a force on the front of the gate.
Sluice gates are hydraulic structures that were conventionally used by ancient. The river and waterway management system links the clients office with sluices and other equipments through dedicated lines, enabling operators to remotely control the gates and collect critical. Types of sluice gates flap sluice gate vertical rising sluice gate radial sluice gate rising sector sluice gate needle sluice 11. Many gates installed more than 100 years ago remain in service today.
Gates shall meet the requirements of awwa specifications c501 latest revision. Gh100 fully wedged stainless steel sluice gate has been in the industry since 1988. 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. The sluice gate flow rate measurement is based on the bernoulli equation and can be expressed as. They shall be waterman p32 sluice gates or approved equal. 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. Flows through the gate may be free or submerged depending on the tailwater depth.
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. These specially designed valves are fully customizable to meet any specification. 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. Send us your spec today and let us design a valve that will fit your needs. A lifting nut that rotates to raise and lower the stem. The important factor consider during design is the height of water in closed condition should be less than height of gates.
Sluice gates are commonly used in canals for control and measurement of the flow. In view of the limitations listed above, operational decisions. 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. Fabricated slide gates are usually furnished with rubber seals to improve watertightness. The sluice gate can be lifted by the stem hole in the disc. Cast gates can be supplied in gray iron, 2% nickel or niresist. In this work, the variation of cc under vertical sluice gates on horizontal. 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.
Smart sluice gates by watch technologies wts smart sluice gates are fully integrated, independent, 100% complete control stations that can be instantly deployed for reservoir and canal control, check structures, canal turnouts, pipeline control stations, pump stations, water treatment facilities, flood control, and industrial applications. Section 11100 sluice gates part 1general fill in the blank with a short description of sluice gate usage, i. Stainless steel sluice gates suggested specifications. Sluice gate flow metering is often used to measure flow rate in open channels.
The most spectacular canal of this period was probably nahrawan, 400 feet wide and 200 miles long, built to. Canada, ontario slide gate engineering company service benefits of going with a slide gate instead of a cast iron sluice gate. A side sluice gate is a flowregulation device widely used in irrigation works for diverting the flow from a main channel to a. Compliant with awwa c560 bestinclass construction for. The discharge under sluice gates can be determined through different discharge methods.
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. A sluice gate is a mechanism used to control water flow. Sluice gates are used to control flow typically out of an impounded body of water. When the opening is smaller than the critical depth, the flow immediately downstream of the gate will be supercritical. This experimental project adds to the understanding of effects of viscosity and surface tension. The sluice gates are fixedwheel gates, 17ft wide by 21ft high, operated by cable hoists. Sluice gate drive sluice gate drive to open and close sluice gates on canals and rivers. Sluice gates commonly control water levels and flow rates in rivers and canals. The sluice gate is the upstream element of a pair of boundary elements simulating a sluice. The pressure of the water forces the gate slide against the frame which causes the gate to seal tightly. Here you can see how the sluice gate in the lower right hand corner, helped to monitor the flow of the river in the upper half of the picture. 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. When attached to corrugated steel pipe, the spigot back style seat is used.
If the lower point of the gate is higher than the fluid surface, it will not be part of the backwater curve. Sluice gates shall be substantially watertight under the design head conditions. The uniquely designed bronze seats lock into a dovetailed groove in the gate frame and disc, creating a tight seal for low leakage. At sections 1 and 2, the flow is uniform and the pressure is hydrostatic. Manual lifts gates shall be provided with either a handwheel or gear operated with cast.
A side sluice gate is a flowregulation device widely used in irrigation. Waterman cast gates are preferred for highhead up to 200 and high debris. We strongly recommend using rising spindles wherever possible, since the threaded section, as well as the thrust arrangement, are at the top, out of the fluid. The sluice gate flow rate measurement is based on the bernoulli equation and can be expressed as 12. The water regulation technology of ancient sri lankan reservoirs. Series 20 sluice gates also have a onepiece welded. At least thats the case with products from waterman industries, which has been in business for over a century. The interesting point is that the gate height may be part of the backwater curve, but it does not have to. System to openclose sluice gates and collect information on water level, etc. Industrial lifting equipment sluice gate drive haacon. Pdf a side sluice gate is a flowregulation device widely used in irrigation works for diverting. 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. Irrigation training and research center itrc california polytechnic state university cal poly.
Apr 09, 2020 a sluice gate is a mechanism used to control water flow. Select which of these two types of equipment is most appropriate for your requirement. Vertical sluice gates are widely used for flow control in irrigation and drainage channels. Canada, ontario slide gate engineering company services. Rodney hunt cast iron sluice gates have a long history of successful performance. A sluice gate is traditionally a wood or metal barrier sliding in grooves that are set in the sides of the waterway. Extended flangeback p32 sluice gate control gates for. Open channel gates have no frame member or seal at the top of the slide. Thus they have very high corrosion and erosion resistance, ensuring many years of trouble free operation with minimum maintenance. 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. Anchor bolts are commonly used to mount sluice gates and other control gates to a headwall in the absence of thimbles. Manufacturers of hydraulic sluice gates 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.
Sluiceway deflector design as part of the boundary tdg. Sluice gates consist of an aperture within existing floodgate with a sliding plate cover that can be opened to varying degrees. At the first stage are accomplished numerical computations by the finite element methods that serve for first recognition of critical locations in the structure. Optional features these sluice gates are suitable for seating and unseating water head. This section specifies sluice gates of cast iron construction for. Sluice gates, slide gates, weir gates, flap gates, stop logs and stop plates. Indeed, no con traction occurs when a submerged gate hardly penetrate the water stream.
Pdf the hydraulic characteristics of a side sluice gate were studied. Key words times new roman, 12 points, capital, bold. A tdg mitigation option is to operate a number of sluice gates in a throttled position that. Waterman can supply anchor bolts of all materials, including galvanized steel and silicon bronze. Find, read and cite all the research you need on researchgate. 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. Fabricated gates are considerably less expensive in comparison to cast iron sluice gates. Based on a modular system, every model can be individually adjusted to the local conditions. The plastifab organization boasts a unique combination engineering and manufacturing experience and capabilities that enables them to offer high strength, high quality engineered composite gates and guides made to close tolerances and to stringent design specifications to ensure minimal leakage, long life, and reliable performance. For information on sluice gates not listed, please contact the rodney hunt representative in your area, or call us directly at 9785442511.
The sluice gates were designed and constructed to operate either fully opened or fully closed. Full line of customer square and rectangular knife gates that can be fabricated in 34 weeks where others are 810 weeks or even more. The aperture size can be adjusted to vary the amount of inflow to suit site conditions so water level control is good. 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 and.
A mill race, leet, flume, penstock or lade is a sluice channelling water toward a water mill. Sluice gates and quick valves are very important parts of water power stations and their reliability is a key condition for their operation. 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. Gates, stems, lifts and other appurtenances shall be the size, type, material and construction as shown on the drawings and specified herein. Manual lifts gates shall be provided with either a handwheel or gear operated with cast bronze drive nuts threaded to engage the operating stem. Analysis of sluice gates of hydroelectric power stations. Also, the upstream extension of the socalled reynolds ridge is determined. Neglecting bottom friction and atmospheric pressure, decide the velocities 8 5 and 8 6, and the horizontal force required to. 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.