Product Description Roots vacuum pump is a dry positive displacement pump. They operate on the Roots principle, which is similar to that of rotary vane pumps. These pumps are the ideal solution when fast pumping speeds are required. In the case of contactless, oil-free compression Roots booster pumps, two symmetrical cams rotate in the working chamber. During this process, the rotating blades do not come into contact with each other or the housing. Roots vacuum pumps are often used in pumping stations in combination with oil-lubricated rotary vane pumps to achieve very high volume flows and deep final vacuums. Benyuan's three-lobes roots vacuum pump is an internationally advanced roots blower produced by importing and digesting patents and proprietary technology from the American Hibar company and utilizing the company's advanced manufacturing processes. Features 1. Air cooling. Pressure rises to -50 kpa 2. Small size, lightweight, dual-purpose for both vertical and horizontal use, convenient to replace European and American models 3. High-speed, energy-saving 4. Belt self-tensioning technology, easy to use and maintain 5.Impedance-integrated composite muffler with good noise reduction effect
Place of Origin Hubei, China Type Rail switch grinding machine Material Stainless Steel Dimensions (L x W x H) (mm) 2100*1120*1030mm Brand Name Linkage Product name Rail switch grinding machine for track maintenance function Rail switch point grinding Engine Honda GX270 Petrol engine Grinding wheel speed: â?¥3600r/min Feed adjustment accuracy: â?¤l0mm Weight â?¤117kg Rated power: 5.1kW Grinding wheel feeding stroke: â?¥80mm Grinding wheel rotation angle: â?¥30�° NCM-5.1 frog and switch grinding machine is specifically designed for grinding operations through switch and crossings and either side of the rail head. The grinding device of the machine can be tilted by 30�° from the vertical direction to the left and right, and the position of the grinding wheel can be adjusted along the vertical and horizontal directions So that the grinding device of the machine can work very accurately in the narrow space between the rails. The machine adopts the pull rod transverse feed mode, which is easy for the operator to grasp the feed force and improve the grinding quality and efficiency. It has the characteristics of precise turning and positioning at any position and angle of the turmout rail head.
Welding and Track Maintenance Equipment Gas Pressure Rail Welding Machine Hydraulic rail weld trimmer/Hydraulic Rail shear Itâ??s A Special Small Size Machine Suitable For Shearing Thermit Weld Seam.Hydraulic Opreation,Save Labour,Shearing Clean. Itâ?? S Suitable For Dealing With Various Rails (50-75kg/M) At The Depot Or On The Track. Itâ??s An Accessory Tool In Cwr Laying Project, Rail Stress Releasing Operation And Broken Rail Repair.HWS-II Hydraulic Rail Trimmer Is Mainly Composed Of Machine Frame, Manual Pump Station, Two Horizontal Oil Cylinders, Guiding Device, Shearing Knife, Etc,. While Working, Ride The Machine On The Rail (At The Both Side Of The Seam), Place The Guiding Device Nearby The Rail Jaw, Then Swing The Manual Pump Handle Back And Forth. Along With The Cylinder Piston Rod Reaching Out, The Shearing Knife Makes Relative Motion To Produce Shear Force And Remove The Seam Bead.
Description of product: 1. A strong ultrasonic signal frightens animals. The animals avoid the area because of its unpleasant ultrasonic sound. The sound is activated when an animal enters the range. Thus, animals can not get used to the sound, and the repulsive effect is stronger. 2. A strong flashing scared animals. The strong flashing is activated when an animal enters the range, then the animals will be scared and give back. Button "FREQ" Position: - 1: 13.5kHz-17.5kHz Repels animals such as mice, small rodents, ... - 2: 15.5kHz-19.5kHz Repels animals such as large dogs, foxes ... - 3: 19.5kHz-23.5kHz Repels animals such as small dogs, cats, birds... - 4: Strong flashing - 5: All functions working, sweep frequency from mode 1 -- mode 2 -- mode 3, and turn on strong flashing Specifications: Power Supply: 3 x AA batteries Effective distance: till max 8m (depending on weather and surroundings) Detecting angel: 110�° horizontal (depending on weather and surroundings) Fully waterproof.
Description of product: 1.A strong ultrasonic signal frighten animals. The animals avoid the area because of its unpleasant ultrasonic sound. The sound is activated when an animal enters the range. Thus, animals can not get used to the sound, and the repulsive effect is stronger. 2. A strong flashing scared animals. The strong flashing is activated when an animal enters the range, then the animals will be scared and give back. Button "FREQ" Position: - 1: 13.5kHz-17.5kHz Repels animals such as mice, small rodents, ... - 2: 15.5kHz-19.5kHz Repels animals such as large dogs, foxes ... - 3: 19.5kHz-23.5kHz Repels animals such as small dogs, cat, bird ... - 4: Strong flashing - 5: All function working, sweep frequency from mode 1 -- mode 2 -- mode 3, and turn on strong flashing Specofocations: Power Supply: 3 x AA batteries Effective distance: till max 8m (depending on weather and surroundings) Detecting angel: 110 horizontal (depending on weather andsurroundings) Fully waterproof.
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A Complete Guide To Gate Valve The gate valve is the most common shut-off valve. Unlike ball valves, they are not quarter-turn devices; instead, they close and open through revolutions of the hand wheel. Used in wastewater plants, power plants and process systems, the threaded system of the gate valves give them an advantage over the quarter turn system of the ball and butterfly valve in large applications. Fluid through gate valves experiences only minimal pressure drop as gate valves allow total flow through its passage when fully open. This post discusses the functions, symbols, advantages and disadvantages, types, and other essential things you need to know about the gate valve. What is A Gate Valve? Gate valves can also be called sluice valves or knife valves. They are control valves that allow or restrict the flow of media completely. Gate valves use a flat gate to close off flow between pipe flanges. A gate valve, being a full port valve, has an equal diameter to the pipe through which the fluid passes. Hence, unlike butterfly valves, gate valves minimise pressure losses in the fluid when fully open. Also, because of the equal pipe and valve diameters, gate valves allow for the movement of pigs within the pipe for cleaning and inspection operations. While butterfly valves can be used in flow regulation and on-off services, gate valves should only be used in on-off services as blocking valves and also to allow fluid flow. They should not be used in throttling. Because of their uncomplicated construction and capability to be used in different low-pressure applications, gate valves are one of the most common valves in the industry. Gate Valve Symbol The gate valve symbol is composed of two triangles meeting at a point. A vertical line is inserted between the triangles, and solid horizontal lines extend from the opposite sides of the triangle. The vertical line indicates the blocking operation of the gate valve, and the horizontal lines show that the valve has a two-way function in on-off applications. The gate valve symbol used in piping and instrumentation diagrams (P&ID) is a modification of the valve symbol, which is the gate valve symbol without the vertical line between the triangles. The three isometric symbols in the diagram indicate symbols for butt-welding end connections, flanged ends, and socket ends connections.
Trimble Universal Total Stations lead the industry in accuracy, range and reliability for fine grading, paving, stockpile scanning and site measurements. The Trimble SPS730 and SPS930 Universal Total Stations provide five ways to measure with one instrument. Servo, Autolock, Robotic, Reflectorless and ATS Grade Control modes provide the ability to tackle any measurement, stakeout, reflectorless or grade control task on the jobsite â?? all from one instrument. Accuracy to Match Job Site Requirements The SPS930 provides 1 second horizontal and vertical angle accuracy for any precise measurement, stakeout or fine grading task. The SP730 provides 2 second vertical and 3 second horizontal angle accuracy to meet the needs of all but the highest precision measurement or stakeout functions on site. DR300 long-range reflectorless measurement The DR300 long range reflectorless measurement capability allows you to quickly and safely measure hard-toreach or unsafe places 300 meters away and beyond. There is no need to walk the surface with a target. Youâ??ll realize significant increases in productivity and safety when measuring stockpiles, profiling cuttings and rock faces. Trimble MultiTrack Technology Trimble MultiTrack technology locks on and tracks passive prisms for applications such as monitoring or control measurements and active targets for dynamic measurement, stakeout and grade control applications. Active targets provide enhanced dynamic tracking performance and guaranteed lock to the correct target, especially in dusty construction site conditions. Up to 16 unique channels of target identification can be used to differentiate survey crews and grade checkers from machine control operations, eliminating down time caused by unnecessary interference. Unmatched Dynamic Positioning Grade control for earthmoving and fine grading machinery requires an updated, highly accurate position delivered on a very frequent basis. The more data provided, the smoother the hydraulic control and the higher gear that the machine can operate in. The Trimble SPS730 and SPS930 instruments deliver an unmatched 20 hertz update rate combined with low latency, synchronized data measurements for unmatched machine performance. Combined with the Trimble MT900 active machine target they can operate at ranges up to 700 meters at /-45 degree slopes, in the highest gear and in the dustiest conditions at the same time delivering the smoothest and most accurate finish available. Repeatability in the accuracy of graded layers results in fewer passes, reduced fuel and maintenance, reduced rework not to mention material savings, time and associated cost benefits.
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Two hole kitchen taps are divided into two types 2-hole and two-handle-controlling, and 2-hole single-control. The 2-hole and two-handle-controlling faucet has two water inlet pipes for hot and cold water, and is controlled by two handles respectively. When use a kitchen faucet with 2 holes, the water temperature can be controlled by adjusting the two handles. The 2-hole single-control faucet, is the most common type of 2 hole kitchen faucet. It has two water inlet pipes, supplying hot and cold water respectively, controlled by a single handle. Likegro quality kitchen faucets use good valve core, with brass as the main material. The two hole faucet interface and outlet are exquisite in workmanship. It's perfect flawless, even after pressing it with a finger, the fingerprints will spread out quickly, and it is not easy to attach stains. With well multi-layered electroplating surface, this two hole kitchen faucet have the function of non-fading, corrosion-resistant, and can be used for a long time. The Difference Between A 2 Hole Faucet and 3 Hole Faucet? 2-hole faucet and 3-hole faucet The difference between the two hole faucet and three hole faucet lies in the number of water outlets. The kitchen faucet with two holes is generally a household kitchen faucet. Its structure has two water inlets and one water outlet, which can be connected to both hot and cold water pipes at the same time. It is a mixer faucet. 3-hole faucets are commonly used in bathroom fixtures wholesale, with two water inlets and two water outlets. It not only to connecting two hot and cold water pipes, it can also be connected to a shower head, which is often used as a bathroom faucet at home. How Do I Know If I Have A 3 Hole Faucet? The 3-hole faucet is a universal faucet, it has two water inlets and two water outlets, the distance between the two inlets is 15cm, and their distance can be adjusted by curved feet. If your faucet has separate hot and cold handles, you have a 3-hole faucet. Can You Put A One Hole Faucet In A Two Hole Sink? You can use two separate one hole kitchen taps, one for hot water and the other for cold water, that is not mixed. Or use a 2 hole bridge kitchen faucet, that faucet mixes the water above the sink rather than below it. For more information about bath hardware and toilet seat hinges, please feel free to contact us!
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Wheat bran, rice bran, yellow corn, white corn, frankincense (luban), organic oils, organic coconut oil, organic sesame oil, frankincense soap, wheat straw, corn silage, sodium carbonate(soda ash), potassium chloride (kcl), drilling salt, water treatment salt.
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High quality and innovative laboratory and scientific equipment like pipe heating tapes and pipe heating cords, lab hot air oven, lab vacuum oven, lab deep freezer, lab furnace, auto clave, stability chambers, lab refrigerator, hot plate, incubators, water baths, fume hood.Manufacturer
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Soil conditioner water soluble fertilizer potassium humate liquid fertilizer foliar fertilizer compound fertilizer organic fertilizer ingredients: mkp, urea phosphate, ammonium sulfate, sop, magnesium sulfate, can, amino acid powder, seaweed essence.