China manufacturer Negative Pressure Galvanized Push-Pull Exhaust Ventilation Fan for Poultry Farm Greenhouse with CE Certificate with high quality

Product Description

Product Parameters

Specifications

Diiameter blade

(mm)

Blade rotational speed rpm Motor rotational speed rpm Air flow (m3/h) Total pressure (pa) Noise decibels Input power (W) Rated voltage (V) Size(mm)
JY-800 710(28″) 650 1400 18000 60 ≤70 370 380 800*800*450
JY-1000 910(36″) 650 1400 26000 60 ≤70 550 380 1000*1000*450
JY-1100 1000(40″) 600 1400 33000 70 ≤70 750 380 1100*1100*450
JY-1220 1100(43″) 440 1400 39500 50 ≤70 1100 380 1220*1200*450
JY-1380 1270(50″) 440 1400 43500 56 ≤70 1100 380 1380*1380*450
JY-1530 1400(55″) 420 1400 51000 56 ≤70 1500 380 1530*1530*450

 

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 details

 

Frame.
 The machine adopts thickened plate, not easy to rust, not easy to corrosion, long service time

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 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.

 

Push-pull device
Unique push-pull louver mechanism ensures full opening and closing of louvers

Made of high-quality nylon PA66, long service time

 

 

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.
 

 

High-quality goods bearing
Good speed, low noise, not easy to rust

High hardness, not easy to wear

 

Our Advantages

   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.

 

Actual installation

     Suitable for shopping malls, factories, warehouses, factories, greenhouses, flower planting, breeding and other places that need ventilation.

 

production & transportation

       We are very confident in the quality of push-pull negative pressure fan, brand quality assurance, so that 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!

Three basic types of pulleys, their applications and ideal mechanical advantages

There are 3 basic types of pulleys: movable, fixed and compound. Each has its advantages and disadvantages, and you should be able to judge which type is best for your needs by looking at the table below. Once you have mastered the different types of pulleys, you can choose the right pulley for your next project. Now that you have mastered the 3 basic types, it is time to understand their applications and ideal mechanical advantages.
pulley

describe

The stress characteristics of a pulley depend on its size and construction. These stresses are derived by comparing the stress characteristics of different pulley designs. Stress criteria include static and fatigue strength analyses and specify maximum stress ranges. Stresses are calculated in a 3D stress field, including radial, tangential and axial stresses. The stress characteristics of pulleys are critical to the design and manufacture of industrial machines.
The principal stresses on the pulley shell are distributed in the tangential and hoop directions, close to the centerline of the pulley. If the pulley has a wide face, the axial stress occurring near the shell/disk junction can be large. The stress distribution was determined using British Standard BS5400 Part 10: Stresses at the shell and end disc connections for infinite fatigue life.
Another type of composite is a pulley with a belt section. Such structures are well known in the art. The corresponding help chapters for these elements contain detailed descriptions of the internal structure of these components. Chamfers between pulleys can also be defined using multiple tapers, with a smaller taper extending from midpoint 44 to large diameter 42. Additionally, the pulley can have multiple taper angles, and as the pulley moves away, the taper angle is from the center.

type

A pulley system uses a rope to move the object and 1 side of the rope to lift the load. The load is attached to 1 end of the pulley, while the other end can move freely in space. The force applied to the free end of the rope pulls the load up or down. Because of this, the mechanical advantage of the movable pulley is 2 to one. The greater the force applied to the free end of the rope, the greater the amount of movement achieved.
There are 3 common types of pulleys. The cast-iron variety has a rim at the front and a hub at the back. The arms of the pulley can be straight or curved. When the arms contract and yield instead of breaking, they are in tension. The top of the pulley centers the belt in motion and is available in widths ranging from 9mm to 300mm.
The rope, hub and axle are mounted on the pulley. They are common and versatile mechanical devices that make it easier to move or lift objects. Some pulleys change the direction of the force. Others change the magnitude. All types of pulleys can be used for a variety of different applications. Here are some examples. If you’re not sure which type to choose, you can find more resources online.
pulley

application

The applications for pulleys are almost limitless. This simple machine turns complex tasks into simple ones. They consist of a rope or chain wrapped around a wheel or axle. Using ropes, 1 can lift heavy objects without the enormous physical exertion of traditional lifting equipment. Some pulleys are equipped with rollers, which greatly magnifies the lifting force.
When used properly, the pulley system can change the direction of the applied force. It provides a mechanical advantage and allows the operator to remain separate from heavy objects. They are also inexpensive, easy to assemble, and require little lubrication after installation. Also, once installed, the pulley system requires little maintenance. They can even be used effortlessly. Despite having many moving parts, pulley systems do not require lubrication, making them a cost-effective alternative to mechanical lifts.
Pulleys are used in many applications including adjustable clotheslines in different machines, kitchen drawers and motor pulleys. Commercial users of pulley systems include cranes. These machines use a pulley system to lift and place heavy objects. They are also used by high-rise building washing companies. They can easily move a building without compromising its structural integrity. As a result, many industries rely on technology to make elevators easier.

Ideal mechanical advantage

The ideal mechanical advantage of a pulley system is the result of rope tension. The load is pulled to the center of the pulley, but the force is evenly distributed over the cable. Two pulleys will provide the mechanical advantage of 2 pulleys. The total energy used will remain the same. If multiple pulleys are used, friction between pulleys and pulleys reduces the return of energy.
Lever-based machines are simple devices that can work. These include levers, wheels and axles, screws, wedges and ramps. Their ability to work depends on their efficiency and mechanical superiority. The ideal mechanical advantage assumes perfect efficiency, while the actual mechanical advantage takes friction into account. The distance traveled by the load and the force applied are also factors in determining the ideal mechanical advantage of the pulley.
A simple pulley system has an MA of two. The weight attached to 1 end of the rope is called FA. Force FE and load FL are connected to the other end of the rope. The distance that the lifter pulls the rope must be twice or half the force required to lift the weight. The same goes for side-by-side pulley systems.

Materials used in manufacturing

While aluminum and plastic are the most common materials for making pulleys, there are other materials to choose from for your timing pulleys. Despite their different physical properties, they all offer similar benefits. Aluminum is dense and corrosion-resistant, and plastic is lightweight and durable. Stainless steel is resistant to stains and rust, but is expensive to maintain. For this reason, aluminum is a popular choice for heavy duty pulleys.
Metal can also be used to make pulleys. Aluminum pulleys are lightweight and strong, while other materials are not as durable. CZPT produces aluminium pulleys, but can also produce other materials or special finishes. The list below is just representative of some common materials and finishes. Many different materials are used, so you should discuss the best options for your application with your engineer.
Metals such as steel and aluminum are commonly used to make pulleys. These materials are relatively light and have a low coefficient of friction. Steel pulleys are also more durable than aluminum pulleys. For heavier applications, steel and aluminum are preferred, but consider weight limitations when selecting materials. For example, metal pulleys can be used in electric motors to transmit belt motion.
pulley

cost

Replacing a tensioner in a car’s engine can cost anywhere from $90 to $300, depending on the make and model of the car. Cost can also be affected by the complexity of the pulley system and how many pulleys are required. Replacement costs may also increase depending on the severity of the damage. The cost of replacing pulleys also varies from car to car, as different manufacturers use different engines and drivetrains.
Induction motors have been an industrial workhorse for 130 years, but their cost is growing. As energy costs rise and the cost of ownership increases, these motors will only get more expensive. New technologies are now available to increase efficiency, reduce costs and improve safety standards.
The average job cost to replace an idler varies from $125 to $321, including labor. Parts and labor to replace a car pulley can range from $30 to $178. Labor and parts can cost an additional $10 to $40, depending on the make and model of the car. But the labor is worth the money because these pulleys are a critical part of a car’s engine.

China manufacturer Negative Pressure Galvanized Push-Pull Exhaust Ventilation Fan for Poultry Farm Greenhouse with CE Certificate     with high qualityChina manufacturer Negative Pressure Galvanized Push-Pull Exhaust Ventilation Fan for Poultry Farm Greenhouse with CE Certificate     with high quality

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