Product Description
Product Parameters
| Model specifications | Diameter blade(mm) | Blade rotational speed rpm (r/min) |
Motor ritational speed rpm (r/min) |
Air flow (m³/h) |
Total pressure (pa) |
Noise decibels (dB) |
Input power (W) |
Rated voltage (V) |
Size (mm) |
| JY-620 | 500(20′) | 1400 | 1400 | 5700 | 55 | ≤60 | 370 | 380 | 620*620*370 |
| JY-800 | 710(28′) | 650 | 1400 | 18000 | 75 | ≤60 | 370 | 380 | 800*800*400 |
| JY-900 | 750(30′) | 650 | 1400 | 20000 | 60 | ≤60 | 550 | 380 | 900*900*400 |
| JY-1000 | 900(36′) | 610 | 1400 | 23000 | 70 | ≤60 | 550 | 380 | 1000*100*400 |
| JY-1100 | 1000(39′) | 600 | 1400 | 32500 | 70 | ≤60 | 750 | 380 | 1100*1100*400 |
| JY-1200 | 1100(43′) | 460 | 1400 | 38000 | 73 | ≤60 | 1100 | 380 | 1200*1200*400 |
| JY-1380 | 1250(50′) | 439 | 1400 | 44000 | 60 | ≤60 | 1100 | 380 | 1380*1380*400 |
| JY-1530 | 1400(55′) | 439 | 1400 | 55800 | 60 | ≤60 | 1500 | 380 | 1530*1530*400 |
Product Description
Product performance description
The Greenhouse Exhaust fan is popular in recent years.The Greenhouse Exhaust fan is a new environmentally friendly and
energy-saving plant ventilation cooling equipment, because of the exhaust fan’s large amount of ventilation, ventilation and cooling effect is good, low noise, the installation of the use of the site of the smallest destructive, cheap to buy, wide range of applications, Long life and other significant features, more and more users are loved.
Product usage introduction
Using the air convection, the principle to design of negative pressure ventilation. In poorly ventilated places, normal work,using mechanical kinetic energy causes the fan operation.Will the smell of indoor heat, lampblack, stand in the shortest time quickly send out.At the same time, the outdoor fresh air and indoor ventilation and cooling circulation exchange, so as to achieve the
purpose of improving the indoor air environment.
Detailed Photos
Fan blade
Fan blade is made of stainless steel, which is dust-free, beautifu and durable.Special blade shape design ensures high air volume, no eformation, no fracture, so that the air volume is the
same all the way.
Motor
Both Chinese famous motor and Siemens motor are avalable, Motor voltage and frequency could be customized.Chinese famous motor, special design for fan, the first 1 put forward the phase lack protection device which could power off when shortage of electricity. Motor protection grade IP55, insulation Class: Grade F
Fan belt pulley
Fan belt pulley is die-cast from high strength aluminum magnesium alloy, reducing weight, complete impeller blades, and high corrosion resistance.Reinforcement pulley design.Eliminate internal stress, improve
its own stiffness and stability, will not break
Fan bearing
Fan bearing adopts imported double-row bearing with special waterproof design,water can’t enter.High strength,lower noise,maintenance free and long service life.
Heavy hammer
Using high strength nylon swung drop hammer opening device to ensure
the shutters and closing flexible.
Our Advantages
Negative pressure heavy hammer type is a more common, simple structure, more durable, like the remote control system is divided into mechanical version and intelligent version, because the mechanical version of the control is simple, so the failure is less.
Heavy hammer type negative pressure fan is widely used in shopping malls, factories, warehouses, factories, greenhouses, flower planting, breeding and other places that need ventilation.
Using the air convection, the principle to design of negative pressure ventilation. In poorly ventilated places, normal work, using mechanical kinetic energy causes the fan operation.
Will indoor heat, the smell, lampblack, standing still in the shortest possible time emitted quickly, at the same time the outdoor fresh air and indoor ventilation cooling circulation exchange so as to achieve the purpose of improving indoor air environment.
Packaging & Shipping
The quality of our heavy hammer negative pressure fan is very confident, and the brand quality guarantee makes your after-sales worry-free.
Company Profile
Junyang is specialized in manufacturing greenhouses, greenhouse equipments, poultry equipments, temperature control equipmentsetc.The company has established a one-stop industrial system from product development, engineering project design,selectionandmatching to installation and commissioning services.
FAQ
1) Q:Are you trading company or factory?
A:We are a factory with many years of experience.
2) Q: How can i get your pricelist?
A:Send an enquiry to us and tell us u need our pricelist,our sales will reply u within 24 hours with pricelist.
3) Q:Can I get a sample?
A:0f course I’m sure our high quality products will bring you more orders,but you may need to pay sample charge which will be returned afterany order signed.
4) Q:What certificates your products have?
A:Most of our products have CCC,CE,ISO and RoHS certificates.If you needothers such as UL,PSE and so on, we can proceed them too.
5) Q: What is the after-sale service proposal?
A: Considering to the expensive overseas freight, we advise to provide certainpercent of critical components for free, or provide certain discount to let ourbusiness partners handle the after-sale service by themselves.
6) Q:What’s your delivery time?
A:Usually it can be within 30 days!
7) Q:What is your accept payment method?
A:We can accept TT,Paypal,L/C at sight. 30% deposit before production and 70%before loading!
What is a pulley?
Pulleys are shafts or wheels on a shaft that support the movement and change of direction of a taut cable. The pulley also transfers power from the shaft to the cable. A simple pulley is used to raise the school flag. Read on to learn about the basic types of pulleys. We also covered the use of pulleys in everyday life. Read on to learn more about this important mechanical part.
composite pulley
A composite pulley is a mechanical system where 2 or more pulleys and ropes are connected together. It reduces the force required to lift the load because the force is divided by the distance of each pulley. Distance is equal to the mass of the object. Composite pulleys are a common mechanical system on sailboats. Composite pulleys can be used to lift heavy equipment such as sails.
The compound pulley unit consists of 2 pulleys, 1 fixed and the other movable. The fixed pulley is fixed overhead, while the movable pulley is connected to the load by a chain. The lift applies force to the other end of the rope. Anchor points are attached to fixed joists, ceiling joists or sturdy branches. The chain should be long enough to support the load during lifting.
Composite pulleys can be made from a variety of materials. Some are fixed and remain fixed. Others are detachable. The composite pulley combines the advantages of both types, making it a versatile tool. In the table below, these 3 types of pulleys are compared. It’s easy to see which 1 is best for your needs. The right choice depends on your specific needs and budget.
The compound pulley system consists of 2 fixed pulleys and 1 movable pulley. The compound pulley system multiplies the force by a factor of 2. The compound pulley system is particularly suitable for heavy loads and is ideal for construction sites. Workers apply less than half the load force on the composite pulley, significantly reducing the force required. This is a major benefit for many people.
Fixed pulley
Fixed pulleys are fixed gears of fixed length that are mounted on solid objects. There are many different types of pulley systems. Some cooperate with each other, but not “fixed”.
Fixed pulleys can be used for a variety of purposes. One application is to lift small objects. They have a one-to-1 mechanical advantage. Often, a single pulley can lift small loads. The force required to lift a single fixed pulley remains the same. They are usually used to lift lighter objects. They can even be attached to buckets used to draw water from wells.
While single fixed pulleys have desirable mechanical advantages, they are not suitable for force multipliers. Because their mechanical advantage diminishes over time, they are not effective force multipliers. They are used to redirect work so that it can be applied in the most convenient direction. This mechanical advantage is the main advantage of fixed pulleys and the most common way of moving objects. They have several benefits, including the ability to increase the speed of moving objects.
Another application for fixed pulleys is lifting supplies. A scaffold can weigh more than 1 and can be directly hoisted. In order to facilitate the transportation of materials, fixed pulleys are usually installed on the top of the scaffolding on construction sites. Then thread the rope through the edge of the groove that holds the pulley. The fixed pulley exerts the same force on the pull side as on the push side. The same is true for moving objects with fixed pulleys.
moving pulley
A movable pulley is a device whose part is fixed to another object, usually a rod or beam. The movable part moves with the load, making the load feel lighter. This is a useful tool for those who need to carry heavy items such as large bags. The advantages of moving pulleys are many. Here are some of them. Read on to learn more about them.
One of the most common uses of movable pulley systems is climbing high objects. Climbers act as pulley loads and pull ropes to lift objects. Eventually, when the traction stops, the climber descends. However, it is still a useful tool in other situations. The movable pulley system can help you climb the tallest objects or lift them to level surfaces.
Another example of movable pulleys is in industry. Depending on the load, movable pulleys make handling and moving loads easier. You can use them in a variety of applications in manufacturing and industry, including cleaning. For example, the American flag is raised and lowered every day. Removable pulleys are a handy tool when buildings need cleaning.
If you’re not sure whether a task requires a pulley, a zipline might be a good option. Connect the 2 ends of the rope and the pulley will move along the rope, then attach the rope to the metal cable. The load is the person holding the pulley, and the force comes from the attachment on the other end of the rope. There are 2 types of live pulleys: simple pulleys with just 1 wheel and live pulleys with many ropes attached.
School flag raised with simple pulleys
How is the school flag raised? It is pulled up by a rope attached to a pulley at the top of the pole. When the rope is pulled, the pulley turns, raising the flag. A pulley is a simple mechanism that helps people move heavier objects with ease. The rope must be securely attached to the pulley to keep the flag stable.
A simple pulley is a spinning wheel with grooves on 1 side and ropes on the other. The rope can be any length and the wheels can be any size. The rope has to go through the groove and the load is attached to the other end of the rope. Simple pulleys are pulleys with fixed shafts. An example is the wheel on a school flagpole.
A simple pulley system consists of a primary pole, a secondary pole and an outer member. The primary flagpole is connected to the track by a detour, while the secondary flagpole is connected to the track by a pipe. There is a groove on 1 side of the track, which passes through the inner cavity of the flagpole. An open track at the upper end of the track connects the 2 parts of the pulley.
A simple pulley can be used for many purposes. This is a useful machine that can be used to raise the flag. Among other things, it can be used in clothing lines, bird feeders, and even roofers. And, of course, you can use the pulley to raise the flag. Its versatility makes it an essential part of school decor.
cast iron pulley
If you are looking for pulleys for your machine, you may come across cast iron pulleys. They are usually cheap and available in a variety of sizes. The rim is held in place by a mesh attached to a central boss. The arms and spokes can be straight or curved, but most are oval. There are many uses for this type of pulley.
You might wonder why the arms of cast iron pulleys are so curved. Bent arms tend to yield rather than break. Cast iron pulleys are usually round with a slight bump on the rim, which helps keep the belt centered on the rim as it moves. On a 300mm diameter pulley, the bumps may be as small as 9mm.
