One of the most important, and often overlooked, design elements of a slide gate is the actuator. Plattco corporation is proud to be a us based manufacturer with over 120 years of metallurgical and foundry experience. Corporate office 25500 road 204 exeter, california 93221 office. Imi remosa slide valves are designed for easy maintenance. Typically, shop air approximately 80 psi is all that is required to power this multiuse 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. All body mounting surfaces are cnc machined in order to allow a. Vortex slide gates are designed and engineered with two main. The m145 is a 150 psi cwp design while the standard. Get the assurance of the nibco warranty, along with superior customer service expertise. Stainless steel lined body suited for wet or dry dense and abrasive media as well as stainless. Vortex is a brand known around the globe for its exceptional valves for handling dry bulk solids. Some valves are capable of throttling flow, other valve types can only stop flow, others work well in corrosive systems, and others handle high pressure. Salina vortex slide gate valve for upstream of rotary airlocks may 31, 2008 filed under food, pneumatic gate valves, slide gate valves 333 comments the salina vortex clear action gate valve is designed for installation above a rotary air lock that is feeding into a pneumatic conveying line.
Kvt om manual, hifluidic parallel slide gate valve key valve. The standard round port configuration is used for on off service and the optional diamond port configuration is used for throttling. Slide gate valves high performance drain valves 4752 globe valves 5356 uniflow valves 5760 feed pump leak off valves 6164 special purpose valves 6566 conversion tables 6768 hopkinsons manufacture valves and boiler mountings for use on steam raising plant of any size and type. Relief valve angle valve normally closed ball angle blowdown valve plug valve ball diaghragm solenoid valve hydraulic valve weight gate valve motoroperated valve powered valve pilot gate valve floatoperated valve needle valve 3way valve 2 3way valve 3way plug valve 4way plug valve 4way valve ram valve electrohydraulic valve spring gate.
Slide gates henry pratt company valve manufacturer. Youll notice something different in a jordan valve. The innovative rack and pinion style design allowed for a positive seal between the opening of the valve and the valve body on both sides of the blade. The fabrivalve figure f39 slide gate valve is designed for shut. These hydro gate fabricated slide gates are made from type 304 or 316 stainless steel. As often as the two terms are intermingled, a knife gate and a slide gate are not the same. Unique parallel slide forged cage unit design comprises all operating parts of the. All body mounting surfaces are cnc machined in order to allow a precise matching of the components during the assembly stage.
Correctly sizing the actuator is a key component in the design of a slide gate. Type of valve employed depends on nature of fluid, flow control required, operating pressure and temperatures as well as surround atmosphere. Bolted bonnet, pressure seal and cryogenic designs are available. Gate valves work by inserting a rectangular gate or wedge into the path of a flowing fluid. Custom designed sizes, pressures and configurations are also available for our slide gate valves. To make your selection easier, nibco offers specification and submittal assistance. The wg model knife gate valve is a full flanged heavy duty valve equipped with two metal reinforced rubber. These valve are dust proof but they are designed to be used in application without pressure or under pressure. One of these advantages comes from the seating method used by these valves. For nps 28 dn 50200 velan knife gate valves feature high. Slide gate valves are typically used as maintenance discharge valves for bins or silos. Type of valve employed depends on nature of fluid, flow control required, operating pressure and temperatures as. Vg slide gate valves provide reliable, longterm operation in applications where carbon steel slide gates generally tend to corrode. Sempell dewrance parallel slide gate valves high pressure cast steel legenda 1 antifriction bearings are fitted for direct handwheel operation.
A knife gate valve is a component that utilizes a blade to cut through clogging of heavy. Dhv parallel slide gate valves can be fitted with bypass valves when. Orders for h10917 slide gate valves will be filled with the new improved blue model after this date. Classification of valves major valve parts gate valve globe. Knife gate and slurry valves overview valve repair. The gates featured an abrasion resistant lining on the. Many types of valves are required in a process plant for flow regulation or onoff purpose. Parallel slide gate valves class 150 to 3600 c parallel slide gate valves class 150 to 3600 c class 150 asme b16.
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. Fabricated slide gate although rotolok manufactures a stock range of round and square outlet valves 165, 215, 265, 320, 370 and 420mm, mainly to match. Pilot gate valve floatoperated valve needle valve 3way valve 2 3way valve 3way plug valve 4way plug valve 4way valve ram valve electrohydraulic valve spring gate valve balanced diaphragm. Gate valves are designed to meet requirements of ansi b16. With this configuration you can preset product flow with the manual valve and use the powered valve as a shut off. Velan is a world leader in the design and production of a wide range of cast and forged steel gate, globe, check, ball, tripleoffset butterfly, knife gate, highly engineered severe service valves, and steam traps. Vortex slide gates and diverters are designed and engineered with two main principals in mind. Vl slide gate valves are available in a variety of configurations including rectangular sizes. Velan pressure seal parallel slide gate valves are ideal for clean service and steam. We specialize in supplying airlock valves, slide gates, and custom solutions for bulk, dry material handling needs. The slide plate is guided by bronzebushed rollers on the bottom and 12 thick uhmw slide plate retainers on the top. With a stainless steel stem, slide gate, seat and body liner, it is ideally suited for wet or dry dense and abrasive material. Flowdynamic behaviour of the valve in complex layout lines can be assessed in detail using computational flow dynamics simulations key features benefits cold wall single disc slide valve top view. The standard round port configuration is used for on off service and.
Stainless steel slide gates ss250 series waterman valve llc. Here is a list of symbols for various types of valves used in process industry. Kws slide gates are made for a wide variety of applications. They allow the plant operator optimal control allowing simple material shutoff for valve maintenance and system operation. The fabri valve figure f39 slide gate valve is designed for shut off and throttling in difficult abrasive andor high solids slurry service. This assures you the right valve for your application. All units are flanged for easy installation under dust collectors, hoppers, bins, silos and. Hydro gate fabricated slide gates are available in two different material combinations. Ideal for handling dry bulk material in gravity flow, dilute phase or dense phase pneumatic conveying applications. New tech volves new tech valves is engaged in manufacturing the best of industrial piping products such as gate valves, globe valves, check valves, ball valve and many more. Awwa fabricated slide gate part numbering guide ss 25 1 1 y 36 x 42 10 part number builder material a25 aluminum ss25 stainless steel series indicate 1, 1. Vortex slide gates are designed and engineered with two main principals in mind. The innovative rack and pinion style design allowed for a positive seal.
The seating principle of the parallel slide gate valve makes it far superior to the double disc wedge gate valve. Flowdynamic behaviour of the valve in complex layout lines can be assessed in detail. Whats the difference between a knife gate and a slide gate. Sva pneumatic slide gate valve svm manual slide gate valve. Slide gate valves are simple and compact in design, robust in structure, excellence in technology and are easy to install. Galvanized steel form 12945 gpa 004 effective 982015 the yellow pre2015 style slide gate valve will no longer be available for purchase as a. All parts are made out of super tough highdensity pvc and highquality stainless steel for maximum durability and corrosion resistance. 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. Dec 08, 2012 slide a flat, cylindrical, or spherical surface across the orifice. Each type of valve has been designed to meet specific needs. Vg slide valves come without ledges, thus minimising material crosscontamination and spoilage.
All components that are subject to erosion and wear are easily replaceable. Parallel slide gate valve psg the valvtechnologies parallel slide gate valve psg addresses advanced design features and benefits and the need for true inline valve reparability in large diameter, highenergy piping systems resulting from those enhancements. Unique parallel slide forged cage unit design comprises all operating parts of the slide discs. Velan is a world leader in the design and production of a wide range of cast and forged steel gate, globe, check, ball, tripleoffset butterfly, knife gate, highly engineered severe service valves, and steam traps offering superior performance across all major industrial applications. Rotate a disc or ellipse about a shaft extending across the diameter of an orifice. Gate valves are multipurpose bidirectional shutoff valves for commercial and industrial applications. Sempell dewrance parallel slide gate valves high pressure.
Meyer slide gates and plug valves are an ideal solution for positive shutoff of dry material bulk handling applications. Valves with cavity relief system are unidirectional. 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. Traditional rollersupported slide gates are usually equipped with ledges where material can build up.
Each application has a unique set of design variables which will impact the overall design of the gate. In the case of product maintenance or equipment failure you can manually shut off the flow valve and service any equipment beneath it. All units are flanged for easy installation under dust collectors, hoppers, bins, silos and chutes. Pratt fabricated stainless steel lined slide gate valves available in sizes from 3 to 48. Maintenance slide gates meyer industrial solutions. Stainless steel this material is recommended when corrosive conditions make it. There are several different options available for actuating a slide gate including pneumatic cylinders, electric linear and rotary actuators, hydraulic cylinders and. Meyer maintenance slide gates are economical and reliable components used to isolate rotary valves below from hoppers above to control gravity batch unloading. Must provide a stable base, and installation using flexible couplers is recommended. These specially designed valves are fully customizable to meet any specification. A free powerpoint ppt presentation displayed as a flash slide show on id.
Our parallel slide gate valve uses position seating allowing the line force in the system to assist in the. Velan products cast steel bolted bonnet valves gate. In the vlq version the valves come with a square, in the vlc version with a circular open cross section, whereas. Body made of superior strength forgings and optional cast steel. Gate or slide valves are linear action valves with a disc or wedge moving up and down to give seating. Stainless steel this material is recommended when corrosive conditions make it necessary to add protection.
Ppt valves gate and globe valves powerpoint presentation. Parallel slide gate valve psg the valvtechnologies parallel slide gate valve psg addresses advanced design features and benefits and the need for true inline valve reparability in large diameter. Switch valves for coking service 20 valvtechnologies, inc. Parallel slide gate valve are ideal for high temperature and pressure line to prevent thermal binding. The fabrivalve figure f39 slide gate valve is designed for shut off and throttling in difficult abrasive andor high solids slurry service. These gates deliver a positive shutoff of material flow for service or replacement of the system rotary valve without the hopper being emptied. The vls version with square cross section has a pneumatic actuator integrated in its frame.
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