The standard design slide gates are not designed to be operated under a head load. Maintenance slide gates meyer industrial solutions. Flanged unidirectional knife gate valve for high pressure applications. The bridge of the cmo manual actuator is manufactured in a compact way, with the bronze nut. By moving the sleeve in one direction, the air is free to pass through the slide valve to the system. Gate valve, gate valves manufacturers gate valve and flanged slide gate valves manufacturer. Waterman offers bestinclass water control slide sluice gates for water treatment, wastewater, and hydropower applications. Slide valves vl free flow valve,discharge valve,slide valve.
As often as the two terms are intermingled, a knife gate and a slide gate are not the same. The design of the valve operating and sealing systems typically requires that they should be operated either fully open or fully closed. F39 slide gate valve with cylinder remote operated f39 valves are equipped with a bottom protection shroud as standard. Flexible wedge, split wedge, slab gate and doubledisk configurations cover a range of requirements to meet any user need, from general service to severe conditions with gross thermal transients or dualphase fluids. Ideal for handling dry bulk material in gravity flow, dilute phase or dense phase pneumatic conveying applications.
Kvt valves are designed as almost maintenance free. Pneumatic slide valves legris slide valves may be used to effect an immediate isolation of the air line by venting the system to atmosphere. Gate valves gear operated bare stem for actuation 2 piece bonnet design 4 pdf machine is a pdf writer that produces quality pdf files with ease. These valves contain a gate mechanism that when lifted opens the valve and when lowered closes it. Valve suppliers often receive quote requests for a knife gate when what a company is really looking for is a slide gate for dry bulk material handling. These hydro gate fabricated slide gates are made from type 304 or 316 stainless steel. The durable ductile iron body is offered in a compact wafer style. Designed for use in free flowing solids, granules or powder form, they can be installed to control flow from outlets of hoppers, silos. Rovalve 12 stainless steel slide gate valve or knife gate. The seats are parallel and the disc has no contact with the seats during the stroke of the valve. Designed to be adapted to all applications maximum leakage rate is less than half of the awwa allowable lowmaintenance gates standardized version series s in stock fontaineaquanoxs series 20 sluice gate is a highly versatile flow control.
Plattco corporation is proud to be a us based manufacturer with over 120 years of metallurgical and foundry experience. Kvt introduce the valves of a long lifetime with free from any problems. Pvc gate valves shutoff valves grainger industrial supply. This manual valve uses a hand wheel and screw opening mechanism and has up to an estimated 150 psi cwp. Vl slide valves are available in a variety of configurations including rectangular sizes. The knife gate and sliding gate valves help control gravity batch unloading when handling dry free flowing materials. Reliable, tight shutoff and lowpressure drop operation characterize the flowserve range of gate valves. The everbilt lead free gate valves feature a the everbilt lead free gate valves feature a simple design that can quickly and reliably block or permit the flow of fluids, gases, or fumes. The 770s oported gate is in constant contact with the seats, minimizing seat stress and ensuring maximum sealing performance. Gate valves incorporate a sliding gate to block fluid flow slide gate valves. One of the most significant characteristics of this type of valves is its.
The combination of the sliding gate valve with a shorter neck, piston actuator and integrated positioner offers an extreme compact valve assembly, chracterized by a high control quality and control dynamics. Variables such as the opening size, product density, head height of material on the gate. Ppt valves gate and globe valves powerpoint presentation. Whats the difference between a knife gate and a slide gate. In the vlq version the valves come with a square, in the vlc version with a circular open cross section, whereas in the vlrversion it is rectangular. Theyre noted for their excellent sealing and leak resistance, and for their long service life. Whats the difference between a knife gate and slide gate. Design and testing knife gate valves sure flow equipment inc. Parallel gate valves parallel slide gate valves for those applications when large temperature variations are expected or fast shuttoff is required, this is the most ideal design. These gates deliver a positive shutoff of material flow for service or replacement of the system rotary valve without the hopper being emptied. Sempell dewrance parallel slide gate valves high pressure. In such a design, a wedge slides cross a general passageway in order to control fluid flow like a sliding gate hence, the name. Hydro gate fabricated slide gates are available in two different material combinations. To make your selection easier, nibco offers specification and submittal assistance.
All figure 39 slide gate valves with handwheels include a provision for a locking device. For nps 28 dn 50200 velan knife gate valves feature high precision investment cast packing flanges for a tight contactfree fit. Profiled cutting of stainless steel plates upto 100 mm thickness is done. By moving it in the opposite direction, the supply is shut off and the downstream. Each application has a unique set of design variables which will impact the overall design of the gate. Replaceable steel threads provide easy field replacement if damaged. Gate valvesknife valves are designed to minimize pressure drop across the valve in the fully opened position as the direction of fluid flow does not change, and the diameter through which the process fluid passes is. Meyer maintenance slide gates are economical and reliable components used to isolate rotary valves below from hoppers above to control gravity batch unloading. Extension rods for valterra gate valves extension rod for 1. We specialize in supplying airlock valves, slide gates, and custom solutions for bulk, dry material handling needs. Guide index download guide pdf kws slide gates are made for a wide variety of applications.
Vortex slide gates are designed and engineered with two main principals in mind. Gate valves are multipurpose bidirectional shutoff valves for commercial and industrial applications. Due to the direct and backlash free installation of the positioner on that piston actuator, these valves have no exposed moving parts. This allows to the solids to move free inside of the body and when. Waterman ss250 series stainless steel slide gates are engineered for excellent sealing while providing maximum resistance to corrosion.
Precisionengineered water control solutions for water treatment plants and municipal water systems water delivery comprehensive solutions for managing water flow in canals and distribution systems. The figure 215sf features a fully protected seat, a hardened gate, port, seat and guides along with purge ports, giving you a long service life. Allowing the jet emanating from the gate to spring free from the sidewalls. Download valve catalogue, pdf drawing, ga drawing, cross sectional arrangement design drawing, 3d model drawing, valve strainer filter sight glass flow indicator operation and maintenance manual download from here free. Dhv parallel slide gate valves can be fitted with bypass valves when. A free powerpoint ppt presentation displayed as a flash slide show on id. Stainless steel this material is recommended when corrosive conditions make it necessary to add protection. Jul 22, 2011 gate valve gate valves are linear motion valves in which a flat closure element slides into the flow stream to provide shutoff. Ideal for dry bulk material handling, meyermade knife gates and slide gates are reliable and designed to isolate airlock feeders below from hoppers above. I can use acrobat distiller or the acrobat pdfwriter but i consider your product a lot easier to use and much preferable to adobes a. Dezurik pec eccentric plug valves 472 1001800mm dezurik pef eccentric plug valves 336 75900mm dezurik ptw threeway plug valves 316 80400mm.
Guide index download guide pdf kws standard pneumatic slide gate cylinders operate most effectively when supplied with 80 psi of clean and dry air. Looking for downloadable 3d printing models, designs, and cad files. Ss250 stainless steel slide gates waterman valve llc. Jash has an inhouse machining facility to machine knife gate valves upto dn 4000 size. The keystone f215 slide gate valve is designed to cut through solids to give you consistent shutoff. Classification of valves major valve parts gate valve globe. Mar 07, 20 rovalve 12 stainless steel slide gate valve or knife gate valve. The vls version with square cross section has a pneumatic actuator integrated in its frame. The vgtype slide gate valve, which is entirely manufactured in carbon steel, ensures safe interception and excellent durability. Additionally, resilient seated knife gate valves and slide knife gate valves are also not covered under mss sp81. Mss sp81 applies to bonnetless metal seated knife gate valves, 2 to 24 size, 150 psi cwp. Kvt om manual, hifluidic parallel slide gate valve key valve.
The orifice bars make the slide gate similar to a jet flow gate in concept. Solidworks, valve recent models 3d cad model collection. Parallel slide gate valves use system pressure and position to provide positive isolation. The gates feature ultra high molecular weight polyethylene uhmw sliding and seating surfaces, dissimilar from the gate slide material, resulting in low coefficient of friction while maintaining superior corrosion resistance. This standard describes vertically mounted, fabricated stainlesssteel slide gates with fullaperture closure, designed for either seating or unseating head, or both, in ordinary water supply and wastewater service. The bray series 770 is a bidirectional oported slide gate valve, designed for severe service applications. Get the assurance of the nibco warranty, along with superior customer service expertise. The coefficient of discharge for the modified gate is lower than that of the standard high pressure slide gate design. Sizes above 24 are not covered under this standard.
Kws pneumatic slide gate standard construction eng. Consult factory for shut off capability with standard and optional seats. Orders for h10917 slide gate valves will be filled with the new improved blue model after this date. Galvanized steel form 12945 gpa 004 effective 982015 the yellow pre2015 style slide gate valve will no longer be available for purchase as a complete unit.
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