Knife edge gate valve pneumatic knife edge gate valve. The structure of body and seat eliminates clogging shutoff for flow with fine particles. At the time, automatic blades were pretty much only mounted to guns for use as quicklydeployable bayonets. Pull up the packing gland to the top of the blade and secure it to the. Because of the knife edge valvesa advanced features, it has become the popular choice of many. Mvs pneumatic knife edge gate valve body is onepiece solid, rugged and heavy duty casting including flanges. Stellite is added to the gates lower edge to protect it from abrasion. Bottom of the gate edge is machined to a bevel to cut through solids for a tighter seal in the closed position.
Knife edge gate valve we offer premium quality knife edge gate valves that are made from high quality base material, using high technology. Previously it was mostly use in service of powder, slurry, pulp and paper mill now it use in many more industrial applications. These valves were designed to work in some of the most corrosive, erosive and abrasive environments in the world. This knife gate valve is suitable for working in the mining industry, in loaded fluid. Knife egde gate valve the series 10 model knife gate is an unidirectional wafer valve designed for general industrial service applications. Tight shutoff is assured due to the unique sealing combina. Environmentally friendly bidirectional bolted bonnet and standard body styles. Find here information of knife edge gate valve selling companies for your buy requirements. Red valve slurry knife gate valves are designed for onoff service.
Amtech makes high performance knife edge gate valves features with design suitable for specific media. As often as the two terms are intermingled, a knife gate and a slide gate are not the same. Our valve is made utilizing quality carbon steel and covered with a clean to keep the surfacefrom rust. Knife edge gate valve the creative slurry knife edge gate valve includes rubber polyurethane material to provide highly efficient operation in tough abrasive and corrosive applications. We are a team of experts who can undertake any challenges and can provide consultancy for the most optimized solution. Knife edge gate valve petrosystem pdf catalogs technical. The hiton pneumatic knife gate valve is a unidirectional wafer knife edge gate valve used on industrial pipeline for onoff operation. Knife gate valves in coimbatore, tamil nadu get latest. Whats the difference between a knife gate and a slide gate. Gate edge is beveled for easier packing seal and longer packing life.
Tight shutoff is assured due to the unique sealing combina tion of resilient elastomer along the edges not the face of the gate and machined metal gate guides. This unique design assures longlife reliability and bubbletight shutoff. All red valve knife gate valves are designed and engineered to a higher standard, to provide the best performance possible. 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. Gate is polished on both sides to avoid jamming and seat damage. In 1892, george schrade of new york started to design and produce the switchblade knife. Flowage knife edge gate valve is one of the specific design among industrial valves and generally unidirectional design with solid cast single wafer, full lugged, two lugs and flanged type body, renewable seat type, rugged stainless steel gate around on both sides for lasting wear resistance, increased packing life and smooth operation. Knife gate valves process systems knife gate valves are available in ductle iron and stainless steel, including semi lugged or fully lugged body with an open shroud or bonnet. For nps 28 dn 50200 velan knife gate valves feature high precision investment cast packing.
Jan 05, 2018 the valve sliding plate gate has knife edge, so it is called knife gate valve or knife edge gate valve which both are same. 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. Pulp and paper power plants wastewater treatment plants chemical plants. Pratt staff has many years of combined experience in building knife gate valves in particular. Manufacturer of knife gate valves used for isolation of solidliquid mixes in water and waste water treatment plants and pumping stations, paper and pulp plants, power plants and mining industry. Meets tappi standard tis 4058 and mss sp81 for wafertype knife gate valves. A knife gate valve is a component that utilizes a blade to cut through clogging of heavy liquids. Vaas bidirectional knife gate valve for general service, water and sewage applications, full bore, fully lugged body design to table d, rising stem, 316ss body, 304316ss plated gate, 304ss stem, epdm seat oring cord design for bubble tight shutoff, hand wheel operated.
The thickness andor material of the gate can be changed on request for higher pressure requirements. After the system has come to a full pressure, open the knife gate fully by turning the handwheel counterclockwise, then close the valve fully by turning the handwheel clockwise. Knife edge gate valve wika model hawa engineers ltd. Some user also asks for slide gate valve in place of knife edge gate valve. 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. Mvs knife edge gate valves are avaibale in unidirectional and bidirectional body design in foll m.
Another significant difference between an ansi gate valve and a knife gate valve is in the packing gland area. Automatic knives got their start in the mid18th century. Red valve s knife gate valves are the perfect compliment to our broad range of slurry handling products. We are manufacturing knife edge gate valve in below range. Cn101497200a vacuum nshaft nknife ringshaped rubber. Compare a shearseal knife gate valve with any of its competitors.
The vg model knife gate is a wafer valve designed for a wide range of industrial applications. Find here knife gate valves suppliers, manufacturers, wholesalers, traders with knife gate valves prices for buying. Because of its highly effective design characteristics, knife edge gate valves soon became invaluable in these type of applications. Our staff has many years of combined experience in building knife gate valves in particular. Please refer to other fnw manuals for other knife gate valves, actuated. Pratt specialize in custom knife gate valves from 2 to 96 and above, utilizing carbon steel to stainless steels and other weldable alloys. Cutting edge knife gate valve technology for diversified applications. We offer these valves in varied specifications in line with the diverse needs of the clients.
Knife gate valve leading manufacturer hiton special valve. The wey knife gate valve model vm is built to high quality manu facturing standards and combines rugged construction with time tested design refinements found in no other knife gate valve. Stringy pulp would get stuck between the wedge and the seat of. Bidirectional wafer knife gate valve unified alloys. Unidirectional metal seated bidirectional resilient. This valve is mainly used for viscous products as the gate has a sharp edge thanks to an external chamfer. Contact verified knife edge gate valve manufacturers, knife edge gate valve suppliers, knife edge gate valve exporters wholesalers, producers, retailers and traders in india. Environmentally friendly bidirectional bolted bonnet. Pratt knife gate and slide gate valves have been produced since 1995. Pneumatic knife gate valve or hydraulic knife edge gate. Knife gate valves henry pratt company valve manufacturer. Other options include limit switches, solenoid valves and bonnets. The davis knife gate valve may be installed in any orientation in the pipe line, however, the normal method is with the handwheel vertical above the valve body.
Knife edge gate valve manufacturers suppliers exporters. Knife gate valves portfolio categories challenger valves. We specialize in custom knife gate valves from 2 to 96 and above, utilizing carbon steel to stainless steels and other weldable alloys. Consult petrosystems knife edge gate valve brochure on directindustry. The design of the body and seat assures nonclogging shut off on suspended solids in industries such as. Papa kwesi nduom, says instead of the electoral commission ec ensuring that the political parties laws are implemented as ens. The doubleseated design provides bidirectional shut off. Cast iron knife gate valves 2 cast iron unidirectional and bidirectional wafer construction ansi 150, pn10 and pn16. We have solution to sludges, slurries, powders, problem fluids that challenge todays pulp and paper, chemical, textile and sugar mills. Abo series 200 knife gate valves are unidirectional waferlug type knife gate valves ideal for installations handling liquids containing. With meticulous understanding of the relevant industry, we are presenting a wide array of knife edge gate valves that is widely known for its quality attributes like high durability, superb strength and rust proof nature. Knife edge gate valves effectively work on viscous fluids and slurries, a knife gate valve operates by allowing thick media to easily flow over seals with least interference.
Provision for optional blade scrapers to clean gate faces below packing gland. Knife gate valves were originally designed for the pulp and paper industry. Knife edge gate valves for slurry lines, sludge and viscous media handling, pulp and paper stock lines, dry solid and powder handling, high temperature gas lines and many more. This knife edge gate valves were uniquely structured with a sharp edge to slice through the mash and seal. Knife edge gate valve is leading manuafactures, exporters and suppliers of knife edge gate valve in india and uae. Bottom of the gate edge is machined to a bevel to cut through. Keckley manufactures knife gate valves for applications such as pulp and paper, chemical, petrochemical, power, mining, waste water and more. High performance butterfly valve 20 knife gate valve 25 ball valve 23 check valve 7 flanges 3 gate valve 21 globe valve 12 ptfe lining valve 17 safety valve slurry pinch valve 17 wafer check valve 16 angle seat valve 7 forged steel valve 19 jis stadnard valve 14. Knife gate valve leader in the manufacturing of knife gate valves, tecofi has a comprehensive range able to respond to all needs and applications. Knife edge gate valve metal knife edge gate valves. A gate valve will have a vring packing set that seals the shaft attached to the gate, while a knife gate valve has a packing gland that seals around the gate.
Series g knife gate valve 2o 1 78o 6 12o 3 14o 11o o 8o 150 23. In resilient seat knife gate valves, this process will result in seating in the valve. Wey knife gate valve model vm ductile iron full lug design. The gate of knife edge gate valve is made from ss 304, ss 316,ss 410 and we can do the special treatment for lincrease the life span. Knife edge gate valve,wholesale knife edge gate valve. Jun 17, 2014 the linuo knife gate is an economical, high performance knife gate valve used in pulp and paper, refining, wastewater, water treatment, mining, and chemical fiber industries. Jash entered the knife gate valve business in the year 1995 with the introduction of zft. Knife edge gate valves suppliers of broad extent of knife gate valveto our patrons.
We have both resilent and metal seated versions in sizes from dn 50 50 mm to dn 1200 1. Metal to metal the design of body and seat assures nonclogging shut off on suspended solids in industries such as. A knife gate valve is a component that utilizes a blade to cut through clogging of heavy. Velan standard knife gate valves design features designed to handle light slurries, pulp stock and corrosive fluids in process industries. Arco store locator for arco ltd including telephone tel, fax, gps, directions to, address, city, postcode, email and opening times of the arco store. This knife gate valve is suitable for liquids that contain a maximum of 5% suspended solids. After ww2, the more iconicallystyled stiletto knife came back from italy with servicemen. Other positions are acceptable, however, they may result in uneven valve wear. Standard features such as precisionmachines gates, heavyduty top works and castiron bodies up to 24 make the. Besides, customers can profit this knife gate valve from us in. 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 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. Kniflo control valves knife edge gate valve mascot valves. A knife edge gate valves is a segment that uses a sharp edge to slice through stopping up of overwhelming fluids and gristly pulverize would stall out between the hold and the place of a gate valve and counteracts stream stop. The invention relates to a vacuum naxis ncutter ringshaped rubber cutting machine, which consists of a machine table, a main shaft operation device, a vacuum device, a workpiece loading and clamping device, an automatic product unloading device, a cutter motion device and a program control device, wherein the main shaft operation device consists of n main shafts and a spindle and a main. Avk 70210103 knife gate valve with nonrising stem and handwheel. Applications outside of their conditions require special design considerations. This valve is fabricated by making utilize premium quality materials and refined systems.
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