Market segment commercial valves industrial valves severe ball valves. Avk 70210103 knife gate valve with nonrising stem and handwheel. Like the jet flow gate, anticavitation design includes a downstream port larger than the inlet port to provide sufficient air flow. With more than knife gate valves in stock and multiple models to choose from, davis valve is ready to help you. Discover the benefits of delta industrial knife gate valves youtube.
Since 1976 the group has served in infrastructure market in bursa and entered to valve manufacturing business by producing the first asteknik brand butterfly valve in 1985. Series g knife gate valves can be fitted with a variety of actuators, including standard handwheel, bevel gear, pneumatic actuators, hydraulic actuators, electric actuators and chainwheel actuators. Slide gates henry pratt company valve manufacturer. We handle every facet of the fabrication process from engineering to. At the present time besides butterfly valves, check valves, dismantling joints, knife gate valves and elastomer gaskets are in the product portfolio. Our pricing is available upon request from our sales representative. If you have a unique application and cant see the size and.
The shearing action of the knife gate cuts through solids and cleans the seat as it closes. All metal seated valves meet or exceed seat test requirements of the design standards. Knife gate valves have a packing gland area that seals around the gate. Knife gate valve leader in the manufacturing of knife gate valves, tecofi has a comprehensive range able to respond to all needs and applications. Often just called gate valves, these are used as isolation valves.
The mill has tried every possible valve recommended for this application. The comprehensive line of slurry knife gate valves leads the market in the mining, mineral processing, and general process industries. Standard features such as precisionmachines gates, heavyduty top works and castiron bodies up to 24 make the. Knife gate valveknife gate valve manufacturers, suppliers. That was until they installed the dezurik kgcmd maximum duty cast knife gate valves. The delta industrial range of knife gate valves are designed to perform in the most arduous conditions. Bray ductile iron lugged pn10 bidirectional knife gate valve. Knife edge gate valves suppliers of broad extent of knife gate valveto our patrons. 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. Knife gate valve options 11 knife gate valve seating technology and design details 12 actuators, seat maintenance, and engineering data.
The bray series 740 provides repeatable bidirectional shutoff in a rugged, single piece cast body. Profiled cutting of stainless steel plates upto 100 mm thickness is done. The doubleseated design provides bidirectional shut off. Keckley manufactures knife gate valves for applications such as pulp and paper, chemical, petrochemical, power, mining, waste water and more. Trueline valves offer peace of mind to our valued customers thanks to their quality, advanced technology and industry leading approvals and certifications. Jash has an inhouse machining facility to machine knife gate valves upto dn 4000 size. Compliance to the facetoface dimensions of msssp5 short. The wg model knife gate valve is a full flanged heavy duty valve equipped. Pratt knife gate and slide gate valves have been produced since 1995. The technequip knife gate valve is a true bidirectional slurry knife gate valve with full port flow. Wey by sistag your partner for high performance knife gate valves, water control gates and butterfly valves. The positive shutoff and reliable performance of red valve knife gate valves make them ideal for a variety of applications, such as pump isolation, on materials ranging from stormwater to raw sewage, grit and sludge.
High performance knife gate valves for the pulp and paper industry. Knife gate valves check valves strainers water valves expansion joints network safety solenoid valves measure control ball valves globe valves gate valves air conditioning valves fire gas oil and gas valves couplings, flanges and gaskets. Atex 1554 sistag ag atex 1554 hsi sistag ag ped certificate sistag ag iqnet certificate sistag ag iso 9001 certificate sistag ag general documents. Knife gate valves henry pratt company valve manufacturer. Designed specifically for the harsh and abrasive slurries encountered in the mineral processing, cement and power generation industries, our technequip knife gate valves and techtaylor ball check and vacuum breaker valves are reliable and longlived.
The 65b is designed to handle dense mixtures of stock and slurries with unidirectional shutoff. Heavy duty, slurry knife gate valve shall be flatface flanged, packingless, rubberlined, bidirectional valve suitable for a wide range of industrial applications. Knife gate valves were originally designed for the pulp and paper industry. Its replaceable rubber wear sleeves are designed to seal and withstand the harsh, abrasive duty inherent in mining and milling facilities. We make no warranties, expressed or implied, with respect to the accuracy or usefulness of the information contained. Jun 22, 2017 a gate valve has a vring packing set that seals the shaft that is attached to the gate.
The vg model knife gate is a wafer valve designed for a wide range of industrial applications. Our knife gate valves are available out of stock with hand wheels, gears, chain wheels, as well as air cylinders. The design of the valve body and the two rubber sleeves makes the vg valve suited for use in handling abrasive slurries in industries such as. Work began on a revision in 1953 to include buttwelding end valves, plug valves, and control valves in both cast iron and steel. Standardized top flange enables mounting of a large selection of pneumatic and electric actuators. Red valves knife gate valves are the perfect compliment to our broad range of slurry handling products. The principle is simply a knife or gate which is dropped in front of the flow. Discover the benefits of delta industrial knife gate valves. Different types of valves with pdf file engineering discoveries. Knifegate valve maintenance and repair valve magazine. Normally bonneted, can also be supplied bonnetless. Throttling knife gate valves for lower head applications, this specially modified knife gate valve is an economical alternative to a jet flow gate.
Mss sp812017 stainlesssteel or stainlesssteellined. We are a global leading supplier of highperformance slurry handling equipment, including our valve products. It is one of the simplest valve designs, and with only one moving part, the preventative maintenance schedule is straightforward. Your ideal knife gate valve designed to meet your application requirements. The use of a suitable gasket between the body and the pipe line flange shall be selected by the customer. Dezurik pec eccentric plug valves 472 1001800mm dezurik pef eccentric plug valves 336 75900mm dezurik ptw threeway plug valves 316 80400mm. Dss valves m81 knife gate valve print by dss valves 20190731t16.
Other options include limit switches, solenoid valves and bonnets. Other considerations include importance of leakfree packing, seat leakage, and frequency of valve operation. Fnw figure 65b, stainless steel metal seated knife gate valve. This valve is mainly used for viscous products as the gate has a sharp edge thanks to an external chamfer. Manual handwheel and bevel gear, pneumatic single and doubleacting, electric and. As a the leading european and a prominent international knife gate valve manufacture, orbinox offers a wide range of knife gate valves for a large variety of industrial and water related applications. The figure 65b is an all cast stainless steel body and yoke with investment cast packing follower. Each type of valve has been designed to meet specific needs. With a stainless steel stem, slide gate, seat and body liner, it is ideally suited for wet or dry dense and abrasive material.
Clarkson high performance slurry isolation and control valves have led the industry in elastomeric sleeve technology for 50 years. Designed specifically for your highly abrasive applications, the tg valve features a fullport, openbody design, which allows the gate to create a path for solids to exit through the bottom of the valve as it passes between the massive elastomer sleeves. Flanged unidirectional knife gate valve for high pressure applications. Our valve is made utilizing quality carbon steel and covered with a clean to keep the surfacefrom rust. Isolation shall be provided by the gate passing through. If playback doesnt begin shortly, try restarting your device.
Valves come standard as selfpurging bidirectional shutoff, ensuring repeatable. Some valves are capable of throttling flow, other valve types can only stop flow, others work. A revised b16 proposal was voted favorably in june 1938, was approved by asa, and was published in 1939. Thicker knife gate thicker knife gate to eliminate distortion under maximum differential pressure and to provide tight seating. When evaluating a valve for any application, primary considerations are pressure rating, temperature limitations and fluid compatibility. Large diameter knife gate valves are often used in water and wastewater treatment plants and stormwater pumping stations. Unimac knife edge gate valves are designed for isolation, onoff and throttling services in paper and pulp industries, power plants, steel plants, cement plants, sugar industries, chemical and textile processing industries, mining, water and sewage plants to handle slurries, slag, plug, and fibrous materials, fly ash, powders, clean or corrosive gases. Knife gate valves are used to provide isolation in various applications including oil sands slurries, pulp stock, waste water and power generation. 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. For nps 28 dn 50200 velan knife gate valves feature high precision investment cast. These valves were designed to work in some of the most corrosive, erosive and abrasive environments in the world. Lug bolt pattern holes are tapped according to asme b16. We specialize in custom knife gate valves from 2 to 96 and above, utilizing carbon steel to stainless steels and other weldable alloys. Stringy pulp would get stuck between the wedge and the seat of a normal gate valve and prevent flow.
For nps 28 dn 50200 velan knife gate valves feature highprecision investment cast packing flanges for a tight contactfree fit. Our staff has many years of combined experience in building knife gate valves in particular. A knife gate valve has a thin profile in comparison to an ansi gate valve. Sealing face of the gate is lapped to provide the best possible seat tightness. All red valve knife gate valves are designed and engineered to a higher standard, to provide the best performance possible. Different types of valves with pdf file engineering. Custom designed sizes, pressures and configurations are also available for our slide gate valves. No part name material 1 sledge body ggg 4050, aisi 304, aisi 316 2 seat epdm, nbr 3 knife aisi 304, aisi 316 4 gland seat epdm, nbr 5 cover body ggg 4050, aisi 304, aisi 316 6 bolt 8. Environmentally friendly bidirectional bolted bonnet and standard body styles. The information presented herein is a general guide to our products. Environmentally friendly bidirectional bolted bonnet. Pratt fabricated stainless steel lined slide gate valves available in sizes from 3 to 48. The bridge of the cmo manual actuator is manufactured in a compact way, with the. Dezurik kgcmd maximum duty cast knife gate valves in recycle.
Knifegate valves should never be used in a restrictive role ie half open as the base of the knifegate will wear rapidly and not seal properly when closed. The valve sleeves seal against each under a high compression load when the valve is open, creating the valve pressure vessel. Specializes in the manufacture and distribution of knife gate valves, diaphragm valves, check valves and wall penstock valves. Mss sp812017 stainlesssteel or stainlesssteellined, bonnetless, knife gate valves with flanged ends. Knife gate valves are predominately unidirectional some options are bidirectional and feature a lugged or. Custom fabricated and cast knife gate valves pratt industrial. Featuring a replaceable steel reinforced elastomer seat for enhanced sealing, the bray series 740 gate valve is easily automated for onoff applications. This valve is fabricated by making utilize premium quality materials and refined systems. Knife gate valve figure os1700, keystone, isolation. Dimensions inches and weights series 80 ba severe duty knife gate valves. No matter what valve style or manufacturer they tried, the longest service life they received was 2.
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