Item Description
Merchandise Description
The reciprocating pump operates on the positive displacement theory. The piston of a reciprocating piston pump goes again and forth in a cylinder. With the support of a connecting rod, the piston is related to the crankshaft. The connecting rod moves as the crankshaft rotates, creating this piston to transfer. The crankshaft is related to a rotating motor.
With a suction valve and a shipping valve, the pump cylinder is joined to a suction pipe and a discharge pipe. The input and exit valves act as check valves, permitting only 1 course of fluid stream. Through the enter valve, the fluid is sucked into the cylinder. The outlet valve makes it possible for the fluid to exit the pump’s cylinder.
Principal characteristics
one. Compact construction layout, good rigidity, even force on shifting parts, reducing the use of relocating components and prolonging provider lifestyle.
2. Compared with other pumps of the very same specification, it will save electricity by 1/3, cooling water can be used twice, and the ground place is decreased by 2/3
three. In the crankcase, the oil pump is utilized to power oil provide, with better lubrication result.
4. Smooth running, low vibration, reduced noise
five. Due to the fact of the oil-cost-free lubrication, thoroughly clean vacuum can be received, which rejects the air pollution of the approach method by air reflux right after short-term quit
six. Include restoration gadget, can recover the liquid in the technique (this kind of as alcohols), can also recover the gas in the program (this kind of as hydrogen chloride into hydrochloric acid), these kinds of as incorporating vacuum puff collector, can also extract a modest sum of dust
7. In the process of use, no need to have to add lubricant, easy and easy servicing.
Purposes
WLW collection oil-free of charge vertical vacuum pump is the principal equipment to acquire rough vacuum. It adopts special technological construction, with far better functionality and more hassle-free use. It is also the substitution merchandise of W sort pump. It is broadly employed in vacuum distillation, vacuum drying, vacuum filtration, vacuum crystallization, vacuum smelting, vacuum infiltration and other industrial sectors such as petrochemical, pharmaceutical, foods smelting, electronics, and many others. to extract gases this sort of as ambiance, h2o vapor, chlorine, hydrogen chloride, sulfur dioxide, and so forth
Specialized information
| Model | WLW -fifty | WLW -70 | WLW -a hundred | WLW -a hundred and fifty | WLW -two hundred | WLW -300 | WLW -400 | WLW -600 | WLW -1200 |
| Pumping volume L/s | fifty | 70 | 100 | a hundred and fifty | 200 | 300 | four hundred | 600 | 1200 |
| Vacuum mmhg | twenty | twenty | twenty | 20 | 20 | twenty | twenty | twenty | 20 |
| Rotational pace r/min | 320 | 380 | 350 | 310 | 300 | 300 | 300 | three hundred | 300 |
| Electric electricity KW | four | five.five | 7.five | 11 | fifteen | 22 | 28.five | 37 | forty five |
| Inlet and exhaust caliber | 50 | fifty | a hundred | a hundred | a hundred twenty five | a hundred forty five | one hundred forty five | 180 | 220 |
| Pump temperature increase ° C | ≤40 | ≤40 | ≤40 | ≤40 | ≤40 | ≤40 | ≤50 | ≤50 | ≤50 |
| Sounds qB(A) | ≤70 | ≤70 | ≤70 | ≤70 | ≤70 | ≤70 | ≤85 | ≤85 | ≤85 |
| Inlet and outlet joint | G1/2 | G1/two | G1/2 | G1/2 | G1/two | G1/2 | G1 | G1 | G1 |
| Weight Kg | five hundred | 520 | 600 | 800 | 900 | 1200 | 1800 | 2600 | 3500 |
Stress diagram
Added Notes:
1. The data offered previously mentioned are the common values measured at atmospheric pressure as common and room temperature of 20C.
2. The over desk-2 is the technical parameters of the two-phase pump
three. One standard atmospheric pressure is equal to .101Mpa.
Dimension
| Model | WLW-50 | WLW-70 | WLW-a hundred | WLW-one hundred fifty | WLW-200 | WLW-three hundred | WLW-600 |
| L | 1100 | 1100 | 1270 | 1440 | 1440 | 1680 | 2150 |
| L1 | a hundred and fifty | 150 | one hundred sixty | 180 | one hundred eighty | 200 | 220 |
| L2 | four hundred | four hundred | 475 | 480 | 540 | 640 | 855 |
| L3 | 470 | 470 | 610 | 790 | 790 | 820 | 1100 |
| B | 550 | 550 | 600 | 750 | 750 | 840 | 950 |
| B1 | 325 | 325 | 360 | 404 | 450 | five hundred | 610 |
| H | 1170 | 1170 | 1360 | 1360 | 1460 | 1560 | 1660 |
| H1 | 910 | 910 | 1115 | 1175 | 1175 | 1275 | 1375 |
| H2 | 780 | 780 | 965 | 995 | 995 | 1095 | 1195 |
| H3 | four hundred | four hundred | four hundred | 400 | four hundred | 400 | 400 |
| H4 | 300 | three hundred | 300 | 300 | three hundred | 300 | three hundred |
| H5 | three hundred | 300 | three hundred | 300 | 300 | three hundred | three hundred |
| H6 | one hundred sixty | 160 | one hundred sixty | 160 | one hundred sixty | one hundred sixty | a hundred and sixty |
| D | a hundred and ten | 110 | a hundred seventy five | 175 | 210 | 210 | three hundred |
| D1 | fifty | 50 | one hundred | 125 | one hundred twenty five | one hundred forty five | a hundred and eighty |
| d | 8 | 8 | ten | 12 | twelve | 14 | sixteen |
| M | 90 | 90 | a hundred forty five | one hundred seventy five | 175 | 195 | 250 |
| n | 4 | four | 4 | four | four | four | 4 |
FAQ
Q: What info need to I provide for an inquiry?
A: You can inquire based on the product directly, but it is often advised that you contact us so that we can assist you to check out if the pump is the most appropriate for your software.
Q: Can you make a custom-made vacuum pump?
A: Yes, we can do some unique types to fulfill customer applications. This kind of as customized sealing techniques, speical floor treatment can be applied for roots vacuum pump and screw vacuum pump. You should get in touch with us if you have unique needs.
Q: I have issues with our vacuum pumps or vacuum systems, can you provide some aid?
A: We have software and style engineers with a lot more than 30 a long time of expertise in vacuum programs in various industries and aid a great deal of buyers solve their difficulties, such as leakage troubles, vitality-saving solutions, a lot more atmosphere-friendly vacuum programs, etc. Remember to get in touch with us and we’ll be extremely satisfied if we can offer you any help to your vacuum program.
Q: Can you design and style and make customized vacuum systems?
A: Sure, we are good for this.
Q: What is your MOQ?
A: 1 piece or 1 established.
Q: How about your shipping time?
A: 5-10 doing work days for the regular vacuum pump if the quantity is underneath 20 pieces, 20-thirty doing work days for the conventional vacuum program with less than 5 sets. For more amount or particular specifications, you should get in touch with us to check the lead time.
Q: What are your payment phrases?
A: By T/T, 50% progress payment/deposit and fifty% paid out ahead of cargo.
Q: How about the guarantee?
A: We provide 1-yr warranty (except for the wearing parts).
Q: How about the services?
A: We supply remote video technological assist. We can deliver the support engineer to the site for some unique needs.
| After-sales Service: | Online Video Instruction |
|---|---|
| Warranty: | 1 Year |
| Oil or Not: | Oil Free |
| Structure: | Reciprocating Vacuum Pump |
| Exhauster Method: | Positive Displacement Pump |
| Nominal Pumping Speed(50Hz): | 50L/S |
###
| Model | WLW -50 | WLW -70 | WLW -100 | WLW -150 | WLW -200 | WLW -300 | WLW -400 | WLW -600 | WLW -1200 |
| Pumping volume L/s | 50 | 70 | 100 | 150 | 200 | 300 | 400 | 600 | 1200 |
| Vacuum mmhg | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Rotational speed r/min | 320 | 380 | 350 | 310 | 300 | 300 | 300 | 300 | 300 |
| Electric power KW | 4 | 5.5 | 7.5 | 11 | 15 | 22 | 28.5 | 37 | 45 |
| Inlet and exhaust caliber | 50 | 50 | 100 | 100 | 125 | 145 | 145 | 180 | 220 |
| Pump temperature rise ° C | ≤40 | ≤40 | ≤40 | ≤40 | ≤40 | ≤40 | ≤50 | ≤50 | ≤50 |
| Noise qB(A) | ≤70 | ≤70 | ≤70 | ≤70 | ≤70 | ≤70 | ≤85 | ≤85 | ≤85 |
| Inlet and outlet joint | G1/2 | G1/2 | G1/2 | G1/2 | G1/2 | G1/2 | G1 | G1 | G1 |
| Weight Kg | 500 | 520 | 600 | 800 | 900 | 1200 | 1800 | 2600 | 3500 |
###
| Model | WLW-50 | WLW-70 | WLW-100 | WLW-150 | WLW-200 | WLW-300 | WLW-600 |
| L | 1100 | 1100 | 1270 | 1440 | 1440 | 1680 | 2150 |
| L1 | 150 | 150 | 160 | 180 | 180 | 200 | 220 |
| L2 | 400 | 400 | 475 | 480 | 540 | 640 | 855 |
| L3 | 470 | 470 | 610 | 790 | 790 | 820 | 1100 |
| B | 550 | 550 | 600 | 750 | 750 | 840 | 950 |
| B1 | 325 | 325 | 360 | 404 | 450 | 500 | 610 |
| H | 1170 | 1170 | 1360 | 1360 | 1460 | 1560 | 1660 |
| H1 | 910 | 910 | 1115 | 1175 | 1175 | 1275 | 1375 |
| H2 | 780 | 780 | 965 | 995 | 995 | 1095 | 1195 |
| H3 | 400 | 400 | 400 | 400 | 400 | 400 | 400 |
| H4 | 300 | 300 | 300 | 300 | 300 | 300 | 300 |
| H5 | 300 | 300 | 300 | 300 | 300 | 300 | 300 |
| H6 | 160 | 160 | 160 | 160 | 160 | 160 | 160 |
| D | 110 | 110 | 175 | 175 | 210 | 210 | 300 |
| D1 | 50 | 50 | 100 | 125 | 125 | 145 | 180 |
| d | 8 | 8 | 10 | 12 | 12 | 14 | 16 |
| M | 90 | 90 | 145 | 175 | 175 | 195 | 250 |
| n | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| After-sales Service: | Online Video Instruction |
|---|---|
| Warranty: | 1 Year |
| Oil or Not: | Oil Free |
| Structure: | Reciprocating Vacuum Pump |
| Exhauster Method: | Positive Displacement Pump |
| Nominal Pumping Speed(50Hz): | 50L/S |
###
| Model | WLW -50 | WLW -70 | WLW -100 | WLW -150 | WLW -200 | WLW -300 | WLW -400 | WLW -600 | WLW -1200 |
| Pumping volume L/s | 50 | 70 | 100 | 150 | 200 | 300 | 400 | 600 | 1200 |
| Vacuum mmhg | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Rotational speed r/min | 320 | 380 | 350 | 310 | 300 | 300 | 300 | 300 | 300 |
| Electric power KW | 4 | 5.5 | 7.5 | 11 | 15 | 22 | 28.5 | 37 | 45 |
| Inlet and exhaust caliber | 50 | 50 | 100 | 100 | 125 | 145 | 145 | 180 | 220 |
| Pump temperature rise ° C | ≤40 | ≤40 | ≤40 | ≤40 | ≤40 | ≤40 | ≤50 | ≤50 | ≤50 |
| Noise qB(A) | ≤70 | ≤70 | ≤70 | ≤70 | ≤70 | ≤70 | ≤85 | ≤85 | ≤85 |
| Inlet and outlet joint | G1/2 | G1/2 | G1/2 | G1/2 | G1/2 | G1/2 | G1 | G1 | G1 |
| Weight Kg | 500 | 520 | 600 | 800 | 900 | 1200 | 1800 | 2600 | 3500 |
###
| Model | WLW-50 | WLW-70 | WLW-100 | WLW-150 | WLW-200 | WLW-300 | WLW-600 |
| L | 1100 | 1100 | 1270 | 1440 | 1440 | 1680 | 2150 |
| L1 | 150 | 150 | 160 | 180 | 180 | 200 | 220 |
| L2 | 400 | 400 | 475 | 480 | 540 | 640 | 855 |
| L3 | 470 | 470 | 610 | 790 | 790 | 820 | 1100 |
| B | 550 | 550 | 600 | 750 | 750 | 840 | 950 |
| B1 | 325 | 325 | 360 | 404 | 450 | 500 | 610 |
| H | 1170 | 1170 | 1360 | 1360 | 1460 | 1560 | 1660 |
| H1 | 910 | 910 | 1115 | 1175 | 1175 | 1275 | 1375 |
| H2 | 780 | 780 | 965 | 995 | 995 | 1095 | 1195 |
| H3 | 400 | 400 | 400 | 400 | 400 | 400 | 400 |
| H4 | 300 | 300 | 300 | 300 | 300 | 300 | 300 |
| H5 | 300 | 300 | 300 | 300 | 300 | 300 | 300 |
| H6 | 160 | 160 | 160 | 160 | 160 | 160 | 160 |
| D | 110 | 110 | 175 | 175 | 210 | 210 | 300 |
| D1 | 50 | 50 | 100 | 125 | 125 | 145 | 180 |
| d | 8 | 8 | 10 | 12 | 12 | 14 | 16 |
| M | 90 | 90 | 145 | 175 | 175 | 195 | 250 |
| n | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
The Mechanical Advantage of a Pulley
A pulley is an important tool for many tasks. The advantage that it offers over a hand-held mechanism is its mechanical advantage. In this article, we’ll discuss the types of pulleys and their applications. We’ll also look at the types of compound pulleys. And, of course, there’s a little bit about the mechanical advantage of a pulley. This article will help you decide whether this tool is right for your needs.
Mechanical advantage of a pulley
A pulley has a mechanical advantage over a lever because it is able to produce more force over longer distances. The mechanical advantage of a pulley sounds brilliant and could produce energy. But what exactly is this mechanical advantage? Let’s take a look. First, consider how a pulley works. A rope supports a 100kg mass, which requires 500 newtons of force to lift. If the rope supports a 100kg mass, two sections of rope can support that load. Using a pulley, you can lift the same weight with half the force.
A pulley’s ideal mechanical advantage is the ratio of the force applied to the total length of the rope. The larger the radius, the greater the mechanical advantage. A pulley made up of four rope segments has an ideal mechanical advantage of four. Therefore, a four-segment pulley would multiply the force applied by four. As the numbers on the rope segments are smaller than the total length of the rope, it would be better to use a compound pulley.
The mechanical advantage of a pulley can be calculated by using the T-method. The first step in calculating the mechanical advantage of a pulley is defining the force you need to lift. Then, divide that force by two to calculate the amount of force you need to lift the load. Once you know this amount, you can design a pulley to meet your needs. That way, you can achieve the perfect balance between the two types of pulleys.
Types of pulleys
The main function of the pulley is to change the direction of the force. The mechanical advantages of a single pulley are two. Ideally, two pulleys should have two or more mechanical advantages. The mechanical advantage of compound pulleys can be increased to two or more. The number of pulleys that make up the composite pulley will determine the mechanical advantage. Certain types of pulleys are combined in one housing.
A stepped pulley is a set of pulleys with stepped surfaces. Each face is anchored to the mid-axis in an ordered sequence. This design gives these pulleys their name. They are used to increase and decrease the speed of the driven pulley. Step pulleys are usually used in pairs. They can be straight or stepped, but usually come in pairs.
The three main types of pulleys are pulleys, rope pulleys, and chain pulleys. Pulley Pulley systems use mechanics to lift and lower heavy objects. The Greek historian Plutarch credits the invention of the pulley to Archimedes of ancient Sicily. The Mesopotamians used rope pulleys to lift water around 1500 BC, and Stonehenge is said to have been built using a rope pulley system.
Application of pulley system
The advantages of using a pulley system are numerous. The ability to lift heavy objects is a good example. The pulley system makes it easy for people to lift blocks and other large objects. It can be used in many different applications, from utility elevators to construction cranes. In addition, it is widely used on sailing boats. If you want to learn more about the benefits of a pulley system, keep reading!
You can use the pulley system to water flowers or water plants. Some of them even lowered the pot to make cleaning easier. Pendant lights are another great place to install a pulley system. Climbing and fishing are just some of the activities that utilize the pulley. They are great for fishing and gardening. And since they are so versatile, you can use the pulley system anywhere.
To get the most out of your pulley system, you must choose a product that has all of the above attributes. A high-quality pulley must have a large pulley diameter and be made of sturdy materials. The cables must also be properly supported in the pulleys to ensure a long service life for your investment. A good cable should have minimal cracks and be lubricated. These factors are the most important considerations when choosing a pulley system for your needs.
composite pulley
Composite pulley systems combine two or more movable pulleys. These systems maximize the force to move the weight and can also change direction so they can be used to lift weights. Composite pulley systems can be as simple or as complex as your needs. For example, a pulley pulley system uses multiple pulleys on each axis. This method is often used for hoisting building materials.
A compound pulley system has two or more rope segments, each of which is pulled up on a load. It can increase lift by making objects move faster. These systems are common on large sailboats and construction sites. Composite pulleys are also available for larger boats. Due to their versatility, they are versatile tools for construction sites and large sailboats. If you have their app, you should consider buying one.
The main advantage of composite pulleys is their versatility. You can use them to lift weights or use them to save energy. Composite pulleys are especially useful for lifting heavy objects. For example, you can tie a paper clip to the end of the rope and pull it up. The flag is then lifted into the air with the help of compound pulleys. Composite pulleys are a great invention and they are often used in construction.
security considerations
There are several safety considerations to consider when using pulleys. The first is Secure Workload (SWL). This value is a general guideline for the maximum weight a pulley can safely handle. It varies according to the height and angle of the pulley. Besides SWL, there are some other factors to consider. Consider each one before deciding on the pulley that best suits your needs.
Another safety consideration is the weight of the load. Since the highs of the pulley are higher than the lows, it doubles in weight. The weight of the high point should not exceed 4 kN. The safety factor is calculated by multiplying the strength of the pulley by the weight of the load. Secondary COD has a safety factor of 10:1 and bulletproof primary anchors should be used with pulleys.
If using a chain hoist, you must be trained in the appropriate type of lifting. It is important not to hang on the top hooks of the structure, nor to overload or rig the hooks with multiple slings. You should also avoid corroded or damaged chains, as they can cause the crane to jam or overload. A worn chain can even cause the load to drop.
Components of a pulley system
Proper design of the pulley system can increase the life of the cables and pulleys. Larger diameter cables should be selected as they are more durable than smaller diameter cables. The cables should also be supported in the pulley grooves. The pulley must be designed to be compatible with the cable and its lubrication should be optimal. Proper lubrication of cables and pulleys will ensure maximum durability and longevity.
The first type of pulley is called a fast pulley. These pulleys are used for quick start and stop of the machine. These pulleys are usually mounted in pairs on the countershaft of the machine. One pulley is tightly mounted on the machine shaft, while the other pulley is fitted with a free-spinning mechanism. When the machine is running, the belt is mounted on the tensioner pulley, and when it is stopped, the belt slides on the independent pulley.
Composite pulley sets reduce the overall effort required by reducing the size of the pulley. These are usually attributed to Archimedes. Flat pulleys are often used in flat belt driven transmission systems. These are used in high-speed, low-power applications. Flat pulley idlers are also used on the back of traditional V-belts.
editor by czh 2022-11-26