- Gate valve
-
- DIN f4 di flange resilient epdm gate valveDN450-1200 Resilient Seated Gate ValveDIN F5 Non-rising stem Resilient gate valveDIN F5 Socket connection soft seal gate valveUnderground cap soft seal gate valveBS5163 Rising stem Resilient soft seal gate valveBrass Threaded Gate ValveHard seal gate valveAPI Slab Gate ValveStainless Steel Gate ValveStainless Steel Knife Gate ValvePneumatic gate valve Control valveSoft Seal Gate ValveExtension stem gate valveNon rising stem Groove Soft Sealing Gate ValveRising stem Forged steel gate valveAPI carbon steel gate valveThreaded Gate ValveDin rising Stem And Non-Rising Stem Gate ValveUL-FM Rising stem flanged fire fighting system gate valveANSI Cast Iron Gate ValveBritish Standard Soft-Sealing Gate Valve
- Butterfly valve
-
- DN2000 Double Eccentric Butterfly ValveFlange butterfly valveLug butterfly valveWafer Butterfly Valve With HandleWorm Gear Operated Wafer Butterfly ValveWafer lined fluorine butterfly valvestainless steel wafer butterfly valveStainless Steel Flanged Butterfly ValveEccentric soft sealing flange butterfly valveElectric three-eccentric metal hard seal butterfly valvePneumatic Flanged Butterfly ValvePneumatic Wafer Butterfly ValveThree eccentric metal seals wafer butterfly valveULC butterfly valve reportInflatable Butterfly ValveHigh Performance Butterfly ValveGrooved butterfly valvesElectric soft sealing wafer butterfly valveDouble flange fluorine lined butterfly valveHandle Aluminum Butterfly ValveWorm Gear Aluminum Butterfly ValveFull PTFE lined wafer butterfly valveOne stem no-pin wafer butterfly valveMulti standard Aluminum handle wafer butterfly valveMulti standard soft seat aluminum lever coated discwafer type butterfly valveResilient Seated Butterfly ValveMulti standard soft seat wafer type butterfly valveWafer PTFE seat butterfly valveWorm Gear Operated Lug Butterfly ValveStainless Steel wafer Butterfly ValvePneumatic Wafer Butterfly ValveWafer Type Metal Seat Butterfly ValveLug type manual wafer butterfly valve without pinAluminium Handle Lug Butterfly ValveWorm Gear Operated Flange Butterfly ValveLever Operated Flange Butterfly ValveButterfly valve stemButterfly valve discButterfly valve seat
- Ball valve
-
- High platform flange ball valveCast Iron Ball ValveSS Thread Ball ValvesThree Piece Type Ball ValveAPI Ball ValveStainless Steel 3PC Ball ValvePTFE Seat Flanged Ball ValveForge Steel Fully Welded Ball ValveMetal Seat Ball Valvesfixed ball valveFlange connection ball valve3PC Type Ball Valve With Internal Thread Q11F/H-1000WOGThree Way Ball ValveANSI API Cast Steel And Stainless Steel Flange Ball valveTwo-PCS Type Thread Ball Valve
- Globe Valve
-
- API Carbon Steel Globe ValveBellows Globe ValveStainless steel flange globe valveStainless steel thread S type globe valveStainless steel thread B type globe valveCast Steel Globe ValvePiston Globe ValveWCB Carbon Steel Globe Check Valveelectric motorized control stainless steel SS316 globe valveBrass Globe ValveCryogenic Globe valveHT200 Globe ValveThreaded Stainless Steel Globe ValveGG25 Globe ValveANSI API Cast Steel And Stainless Steel Globe valve
- Check valve
-
- DN800 Slow Closing Check ValveDN800 Rubber Disc Check ValveButterfly Buffering Check Valvecheck valve with counter weightSilent Check ValveStainless Steel flange Check ValveSwing Check ValveSingle Chip Check Valve H74WStainless Steel Wafer Check ValveSwing Start Check ValveFoot check valveAPI Swing Check ValveWCB Swing Check ValveCheck ValveLifting Check ValveBottom ValveHammer Diminish Noises Check ValveWafer Check ValveDuctile Iron Check Valve
- Water Meter
-
- Vertical Type Water MetersStainless steel threaded water meterPiston water meterPlastic water meterMore flow rotor dry water meterspiral vane flange water meterCI wotlman water meter with pulse outputLXCLG(R) Vertical removable element woltman cold (hot) water meterSingle flow rotor dry water meterPrepaid Token Water MeterElectromagnetic flowmeterRotary Piston Liquid Sealed Water MeterRotary Piston Liquid Sealed Water Meter
- Air valve
-
- Double ball exhaust valveDoubleair Air Valve SaudiDoubleair Air Valve Southeast AsiaDoubleair Air Valve South AmericaDouble Air ValveThreaded Air ValveSingle Air ValveTriple Functions Air ValveAutomatic Air Release ValveAutomatic release valveAutomatic exhaust valveComposite Exhaust Air ValveBrass exhaust valveDouble Ball Air Valve
- Pipe Repair & Coupling
-
- Flexible Multi-Function Pipe Coupling ZFJ-SSS Semi-Circle Pipe Repair Clamp SJW-HDuctile Iron Band Repair ClampStainless Steel Band Repair ClampDouble-Section Pipe Repair CouplingFolding Type Pipe RepairSingle-Section Multi-Function Pipe Coupling MF-SGear-Ring Type Multi-Function Pipe Coupling GR-SZBW Damping Corrugated Hose
- Dismantling Joint
-
- VSSJAFC(CC2F) Detachable Flange Transmission JointVSSJA-2(B2F) Double Flange Limited Expansion JointVSSJA-1(BF) Single Flange Limited Expansion JointVSSJA(AF) Flange Loose Expansion JointJGD-B Threaded Rubber JointZBW Damping Corrugated HoseKXT-S Flexible Dual-Spherical Rubber JointKXT Rubber Soft JointFlange Adaptor
What's the difference between knife gate valve and ordinary gate valve?
The difference between knife gate valve and ordinary gate valve:
Product Description:
Knife gate valves and ordinary gate valves are both types of valves used in pipeline systems. They differ mainly in their opening and closing mechanism, which is more complex than that of other valves. In addition to the medium flow requirements, there are also other factors that determine how suitable a particular valve will be for a particular application.
The main difference between the knife gate valve and an ordinary gate valve is the opening and closing parts of the disc.
Knife gate valves have a wedge-shaped disc with a circular cross-section, which can be rotated around its axis by rotating gears inside it. When the disc is opened, it works like a door that opens vertically; when closed, it works like a door that opens horizontally; when rotating clockwise or counterclockwise at high speed, it can cut off the medium flow.
Ordinary gate valves have a wedge-shaped disc with a rectangular cross-section, which can be rotated by connecting two shafts together through gears in the middle of their respective openings for rotation (rotation).
The knife gate valve is used to cut off the medium and not for regulating the flow of the medium.Ordinary gate valves can be used to regulate the flow of the medium, but cannot be used only for cutting off a medium.
The ordinary gate valve has a wedge-shaped disc with a circular cross-section, so it can also be used for fine adjustment of flow (throttle). Knife gate valves, on the other hand, are used to stop media flow. Knife gate valves have a wedge-shaped structure that fits between two sides of a pipeline. Whereas ordinary gate valves have a round cross-section with a circular opening on both sides and can be used for fine adjustment of flow (throttle).
The knife gate valve does not have the ability to adjust the flow rate and is typically installed in horizontal pipelines; ordinary gates can control the flow rate of mediums and are typically installed in vertical or inclined pipelines.
Knife gate valves are suitable for media containing suspended solids and fiber media; however, ordinary gate valves should be used instead if you need to throttle and cut off such a medium.
A knife gate valve has a smaller opening than an ordinary gate valve. The seat on which the gate rests must have a wedge shape to achieve the opening and closing of the gate. The disc is a flat plate that can be rotated around its axis, which is installed in horizontal pipelines. It is mostly used for flow regulation, and it can also be used to cut off mediums such as gases and fluids when necessary.
Ordinary gates are mostly used for flow regulation and cutting off mediums, but it can be difficult for them to control large quantities of fluid because they cannot fit well into small spaces due to their size (which is why knives were added).
Knife gate valves are usually installed horizontally, with stems in a vertical position while ordinary gate valves can be installed horizontally or vertically depending upon the application.
⑴Knife gate valves are mostly installed in horizontal pipelines, with the stem in a vertical position.
Knife gate valves are mostly used to cut off medium. Knife gate valves are mainly used in horizontal pipelines, with the stem in a vertical position. Ordinary valve gates can be installed horizontally or vertically as well as in inclined positions. The seat on which the gate rests must have a wedge shape to achieve the opening and closing of the gate, but it should not prevent him from falling down when left alone (single-sided). A double-edged seat prevents this from happening by providing support for both sides of the gate at all times (double-sided).
⑵Ordinary gate valves can be installed horizontally, vertically, or inclinedly in pipelines, with the stem being either vertical or inclined.
A knife gate valve is a special type of valve that can be installed horizontally, vertically, or inclinedly in pipelines. It has a stem that can be either vertical or inclined, and it can also be installed horizontally or vertically.
In addition to this flexibility in installing the knife gate valve, there are other advantages of this type of product over ordinary gate valves:
In case you need to close off the flow completely (when you want to stop water completely), you should use a check valve instead of an ordinary gate valve because it will provide better performance when closing off the flow completely.
Different media flow requirements
Knife gate valves are typically used for cutting off the medium. Knife gate valves have a wedge-shaped disc, which makes them ideal for fine adjustment of flow (throttle). The opening and closing parts of an ordinary gate valve are the disc and seat; these two parts can be opened or closed independently. The disc is usually round or rectangular, while the seat is usually square or rectangular. Ordinary gate valves can be installed in horizontal pipelines, with the stem in a vertical position; knife gate valves are mostly installed in horizontal pipelines, with the stem in a vertical position.
Conclusion:
Knife gate valves are mainly used in pipelines with a large diameter and high flow. It is mainly used for sealing or cutting off the media, so it is not suitable for fine adjustment of flow. Ordinary gate valves can be installed horizontally, vertically, or inclinedly in pipelines, with the stem being either vertical or inclined. The knife gate valve has a wedge-shaped disc with a circular cross-section and a seat on which the gate rests must have a wedge shape to achieve the opening and closing of gates.
Complete solutions for Industrial valves