Heavy duty, slurry knife gate valve shall be flatface flanged, packingless, rubberlined, bidirectional valve suitable for a wide range of industrial applications. It is one of the simplest valve designs, and with only one moving part, the preventative maintenance schedule is straightforward. Environmentally friendly bidirectional bolted bonnet. Large diameter knife gate valves are often used in water and wastewater treatment plants and stormwater pumping stations. Custom designed sizes, pressures and configurations are also available for our slide gate valves. The wg model knife gate valve is a full flanged heavy duty valve equipped. The doubleseated design provides bidirectional shut off. This valve is fabricated by making utilize premium quality materials and refined systems.
Knife gate valve options 11 knife gate valve seating technology and design details 12 actuators, seat maintenance, and engineering data. Pratt knife gate and slide gate valves have been produced since 1995. Sealing face of the gate is lapped to provide the best possible seat tightness. 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. Specializes in the manufacture and distribution of knife gate valves, diaphragm valves, check valves and wall penstock valves. Knife edge gate valves suppliers of broad extent of knife gate valveto our patrons. Compliance to the facetoface dimensions of msssp5 short. If playback doesnt begin shortly, try restarting your device. 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 high precision investment cast.
With more than knife gate valves in stock and multiple models to choose from, davis valve is ready to help you. Fnw figure 65b, stainless steel metal seated knife gate valve. These valves were designed to work in some of the most corrosive, erosive and abrasive environments in the world. Avk 70210103 knife gate valve with nonrising stem and handwheel. 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. 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. Knifegate valve maintenance and repair valve magazine. Jun 22, 2017 a gate valve has a vring packing set that seals the shaft that is attached to the gate. Thicker knife gate thicker knife gate to eliminate distortion under maximum differential pressure and to provide tight seating. Discover the benefits of delta industrial knife gate valves youtube. Trueline valves offer peace of mind to our valued customers thanks to their quality, advanced technology and industry leading approvals and certifications. Environmentally friendly bidirectional bolted bonnet and standard body styles. Isolation shall be provided by the gate passing through. We make no warranties, expressed or implied, with respect to the accuracy or usefulness of the information contained.
The technequip knife gate valve is a true bidirectional slurry knife gate valve with full port flow. The figure 65b is an all cast stainless steel body and yoke with investment cast packing follower. Mss sp812017 stainlesssteel or stainlesssteellined, bonnetless, knife gate valves with flanged ends. The delta industrial range of knife gate valves are designed to perform in the most arduous conditions. Featuring a replaceable steel reinforced elastomer seat for enhanced sealing, the bray series 740 gate valve is easily automated for onoff applications. Discover the benefits of delta industrial knife gate valves. Other considerations include importance of leakfree packing, seat leakage, and frequency of valve operation. Jash has an inhouse machining facility to machine knife gate valves upto dn 4000 size. Our valve is made utilizing quality carbon steel and covered with a clean to keep the surfacefrom rust. Market segment commercial valves industrial valves severe ball valves.
Profiled cutting of stainless steel plates upto 100 mm thickness is done. Dss valves m81 knife gate valve print by dss valves 20190731t16. This valve is mainly used for viscous products as the gate has a sharp edge thanks to an external chamfer. Different types of valves with pdf file engineering. 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. Red valves knife gate valves are the perfect compliment to our broad range of slurry handling products. Standard features such as precisionmachines gates, heavyduty top works and castiron bodies up to 24 make the. Our pricing is available upon request from our sales representative. Knife gate valves are used to provide isolation in various applications including oil sands slurries, pulp stock, waste water and power generation. Like the jet flow gate, anticavitation design includes a downstream port larger than the inlet port to provide sufficient air flow. That was until they installed the dezurik kgcmd maximum duty cast knife gate valves.
The comprehensive line of slurry knife gate valves leads the market in the mining, mineral processing, and general process industries. The information presented herein is a general guide to our products. Your ideal knife gate valve designed to meet your application requirements. Our knife gate valves provides a low pressure drop across the valve and is better suited to handle slurries, solids, and other fluidsolid mixtures than average plug valves, butterfly valves, or ball valves. This standard practice covers all stainlesssteel or stainlesssteellined, cast, or fabricated bonnetless, knife gate valves with flanged ends from size nps 2 dn 50 through nps 36 dn 900. Dezurik pec eccentric plug valves 472 1001800mm dezurik pef eccentric plug valves 336 75900mm dezurik ptw threeway plug valves 316 80400mm. Bray ductile iron lugged pn10 bidirectional knife gate valve. A knife gate valve is a component that utilizes a blade to cut through clogging of heavy liquids. Normally bonneted, can also be supplied bonnetless. The principle is simply a knife or gate which is dropped in front of the flow.
All metal seated valves meet or exceed seat test requirements of the design standards. Different types of valves with pdf file engineering discoveries. No matter what valve style or manufacturer they tried, the longest service life they received was 2. Dimensions inches and weights series 80 ba severe duty knife gate valves.
We are a global leading supplier of highperformance slurry handling equipment, including our valve products. Flanged unidirectional knife gate valve for high pressure applications. Work began on a revision in 1953 to include buttwelding end valves, plug valves, and control valves in both cast iron and steel. For nps 28 dn 50200 velan knife gate valves feature highprecision investment cast packing flanges for a tight contactfree fit. Throttling knife gate valves for lower head applications, this specially modified knife gate valve is an economical alternative to a jet flow gate. Custom fabricated and cast knife gate valves pratt industrial. Atex 1554 sistag ag atex 1554 hsi sistag ag ped certificate sistag ag iqnet certificate sistag ag iso 9001 certificate sistag ag general documents. Valves come standard as selfpurging bidirectional shutoff, ensuring repeatable.
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. The valve sleeves seal against each under a high compression load when the valve is open, creating the valve pressure vessel. Its replaceable rubber wear sleeves are designed to seal and withstand the harsh, abrasive duty inherent in mining and milling facilities. Other options include limit switches, solenoid valves and bonnets. We specialize in custom knife gate valves from 2 to 96 and above, utilizing carbon steel to stainless steels and other weldable alloys. 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. Knife gate valves have a packing gland area that seals around the gate.
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. 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 valves henry pratt company valve manufacturer. Mss sp812017 stainlesssteel or stainlesssteellined. 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. 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. The vg model knife gate is a wafer valve designed for a wide range of industrial applications. Wey by sistag your partner for high performance knife gate valves, water control gates and butterfly valves. A revised b16 proposal was voted favorably in june 1938, was approved by asa, and was published in 1939.
At the present time besides butterfly valves, check valves, dismantling joints, knife gate valves and elastomer gaskets are in the product portfolio. 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. Keckley manufactures knife gate valves for applications such as pulp and paper, chemical, petrochemical, power, mining, waste water and more. High performance knife gate valves for the pulp and paper industry. Lug bolt pattern holes are tapped according to asme b16.
Often just called gate valves, these are used as isolation valves. With a stainless steel stem, slide gate, seat and body liner, it is ideally suited for wet or dry dense and abrasive material. Knife gate valve applications 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. Knife gate valves are predominately unidirectional some options are bidirectional and feature a lugged or. Knife gate valve figure os1700, keystone, isolation. Clarkson high performance slurry isolation and control valves have led the industry in elastomeric sleeve technology for 50 years. Slide gates henry pratt company valve manufacturer. The bray series 740 provides repeatable bidirectional shutoff in a rugged, single piece cast body. Knife gate valveknife gate valve manufacturers, suppliers. Some valves are capable of throttling flow, other valve types can only stop flow, others work. When evaluating a valve for any application, primary considerations are pressure rating, temperature limitations and fluid compatibility.
Standardized top flange enables mounting of a large selection of pneumatic and electric actuators. 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 valve leader in the manufacturing of knife gate valves, tecofi has a comprehensive range able to respond to all needs and applications. The mill has tried every possible valve recommended for this application. Our valves are stocked in cf8 304 ss, cf8m 316 ss, cg8m 317 ss. The 65b is designed to handle dense mixtures of stock and slurries with unidirectional shutoff. Our knife gate valves are available out of stock with hand wheels, gears, chain wheels, as well as air cylinders. The shearing action of the knife gate cuts through solids and cleans the seat as it closes. We handle every facet of the fabrication process from engineering to. A knife gate valve has a thin profile in comparison to an ansi gate valve.
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. Knife gate valves were originally designed for the pulp and paper industry. Each type of valve has been designed to meet specific needs. 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.
If you have a unique application and cant see the size and. Pratt fabricated stainless steel lined slide gate valves available in sizes from 3 to 48. All red valve knife gate valves are designed and engineered to a higher standard, to provide the best performance possible. Our staff has many years of combined experience in building knife gate valves in particular.
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