China Standard Hanging Ventilation Exhaust Fan for Greenhouse with Good quality

Product Description

                 Hanging Ventilation Exhaust Fan for Greenhouse

Features:

  1. The fan consists of blades, motor, frame, protect net, support frame and shutters. The shutters open and close automatically when the fan starts up and stops running, avoiding outside dust entering the room.
  2. Frame: extra thick galvanized steel sheet, one-off molded, high strength anti-corrosive and durable.
  3. Shutter: made of high strength galvanized steel sheet, flexible operation, dust-proof and waterproof.
  4. Belt tensioner: made of high quality aluminum magnesium alloy, avoiding belt loosening of dropping off, extending service life of belt and avoiding distortion.
  5. Strict test criterion: consist of airflow test, noise test, libration test, drive concentric test, blade RPM test, whole machine efficiency test, dynamic balance test, the thickness of the galvanized sheet test, the size of the spare parts test, etc.

Main components:

Blades are made of high quality stainless steel by CNC TURRET PUNCH PRESS, attractive and durable, special design of blade shape ensuring big air flow, no broken, passing the homeostasis test to ensure the air volume keeping the same as the very beginning during the optional life fan.
Belt impeller and pulley are made of aluminum magnesium alloy by injection molding and pass through blast-sanding treatment for attractive appearance, reducing the weight of blade, high corrosion resistance, eliminating internal stress improve its own rigidity and stability, high strength.
Siemens motor or Chinese famous motor can be chosen, high efficient and energy-saving with CCC certificate. Protection class: IP55, insulation class: F. The voltage, power, frequency and phase can be customized.
The bearing adopts special waterproof design of double-row bearing, high intension, low noise, maintenance-free and long service life.
Swung drop hammer is made of high quality nylon, stable performance, guaranteeing the shutters open and close flexibly.

Main Technical Parameters:

Model Diameter blades (mm) Blades rotational speed (rpm) Motor rotational speed (rpm) Air flow (m3/h) Total pressure (Pa) Noise Power (W) Voltage (V) Height (mm) Width (mm) Thickness (mm)
XHF(c)-620 (20”) 500 1400 1400 5700 55 ≤70 250 380 620 620 400
XHF(c)-780 (28”) 710 960 960 23000 75 ≤70 750 380 780 780 400
XHF(c)-830 (29”) 720 660 1400 20000 60 ≤60 550 380 830 830 400
XHF(c)-900 (30”) 750 630 1400 22000 65 ≤65 370 380 900 900 400
XHF(c)-1000 (36”) 900 610 1400 30000 70 ≤70 750 380 1000 1000 400
XHF(c)-1100 (40”) 1000 600 1400 32500 70 ≤70 750 380 1100 1100 400
XHF(c)-1220 (44”) 1100 460 1400 38000 73 ≤70 750 380 1220 1220 400
XHF(c)-1380 (50”) 1250 439 1400 40000 56 ≤70 1100 380 1380 1380 400
XHF(c)-1530 (56”) 1400 325 1400 55800 60 ≤70 1500 380 1530 1530 400

Applications:
1. Xihu (West Lake) Dis. standard exhaust fan is installed outside the workshop window to remove smelly gases, it is usually used in heat treatment plant, casting plant, plastics plant, garment factory, chemical plant, ect.
2. The exhaust fan can be used with evaporative cooling pad can reduce the temperature by 8-10 degree while not compromising on the humidity, it is suitable for use in all kinds of textile mills, such as cotton mill, weaving factory, chemical fiber plant, warp knitting plant, ect.
3. It can be used for cooling greenhouse, stock farm.
4. The standard exhaust fan also used in the storage, logistics, and other fields.

Our Service:

  1. We will provide all the details to you during the mass production
  2. Customize size according to need
  3. Your requirements and complains are highly respected
  4. Necessary test and certification can be obtained as you request
  5. Our technicians can debug and teach us how to operate the machine

Why You Should Get a New Timing Belt

A timing belt is a rubber belt with teeth that transfer rotary motion from the central motor to the drive pulley. It prevents the piston from striking the valves at a critical level. Unfortunately, these belts cost a lot to replace. Here are some reasons why you should consider getting a new one. If you’re not sure whether a new timing belt is necessary, read on. You can also save money by avoiding unnecessary repairs and replacements by choosing an aftermarket timing belt.
belt

Timing belts are rubber belts with hard teeth

While it’s true that timing belts are commonly known as “drive belts,” there are several different types of belts that are used in engines. Despite their commonity, timing belts are made of different materials. The material used to make them is important because it can either negatively impact performance or negatively affect its life span. Whether it’s a car, truck, or motorcycle, timing belts are an essential part of your engine.
Among their many advantages, timing and drive belts are designed to reduce friction, increase speed, and transmit torque more efficiently. In fact, the design of timing belts is similar to that of a cam belt. Both belts work in conjunction with each other to increase the torque and speed of a vehicle. In both types, the teeth of the belt are aligned at the same angle. In a small-scale drive system, this elongation is minimal, but if the load is too high, the teeth of the belt will begin to jump or cog over the pulley’s teeth, causing the noise.
Timing belts are used to synchronize the movement of the crankshaft and camshaft. Timing belts have hard teeth on the inner side of the belt and interlock with the cogwheels on the crankshaft and camshafts. Because of this, they make it easier for the exhaust and intake valves to open and close at the proper time. Timing belts are made of high-10sile rubber, but they may also be polyurethane, welded urethane, or moulded polyurethane.
When a timing belt is worn, it may degrade. The teeth will gradually lose their shape over time and the belt will begin to slip. If the teeth become rounded, the belt may still work, but its timing will be off. Hence, it is vital to replace the timing belt if you notice these signs. If you find any damage, contact a qualified mechanic for repair. If the teeth are worn or damaged, consider replacing the entire belt.
When it comes to a car’s engine, timing is vital. Timing belts connect the internal moving parts of the engine. In addition to timing, they can also power water, oil, and injection pumps. And it’s vital to make sure your timing belt doesn’t get damaged because it will not function properly. So don’t neglect timing belts unless you’re certain they’re damaged.
belt

They transfer rotary motion from the central motor to the drive pulley

A timing belt is a mechanical device that transfers rotary motion from a central motor to a drive pulley through a chain. The belt must be wide enough to accommodate the torque that will be produced by the design. The belt must be wider than the size selected for the drive pulley. In order to determine the correct belt width, the center-to-center distance between the drive pulley and the central motor is measured.
Unlike the elastic belt, which tends to stretch when pressed against a large load, the timing belt does not suffer from this problem. Instead, it exhibits low torsional stiffness, which allows it to transfer rotary motion efficiently. The timing belt also reduces the likelihood of slippage. This is because the cord material is very strong compared to the loads that it must handle.
The most common type of timing belt pulley is made of nylon. The advantage of nylon is that it has a natural lubrication surface and is relatively low-maintenance. It is also durable, malleable, and low-melting point. It is also highly resistant to wear and tear and is suitable for applications that are exposed to high temperatures. However, the belt must be cleaned and maintained on a regular basis.
A Timing belt can be used in a variety of applications. For instance, the timing belt is used in automotive engines. However, the timing belt is also found in stationary power generators, marine engines, and aviation engines. Additionally, it is used in conveyors, winches, treadmills, and washing machines. It also plays a crucial role in the curtain at a theater hall.
The timing belt can be flat, V-shaped, or trapezoidal. The latter is usually made of rubber. The distance between the 2 pulleys is between 5 and 10 meters. The flat belts transmit power through friction between the belt and the pulley. The efficiency of flat belts is approximately 98% and it makes very little noise. However, it must be used in conjunction with the appropriate motor drive. Ultimately, the engineers must choose the best 1 that can deliver the torque that the drive pulley needs to generate.

They prevent pistons from striking the valves on a critical level

In an interference engine, the valves and pistons share the same space in the cylinder, but they move at different rates. While 1 or more of the valves may open into the piston’s travel area, the other is closed and never makes contact with the piston. Timing belts prevent this critical collision from occurring and prevent the piston from damaging the engine. Most timing belts fail at start-up and shutdown. Check the car owner’s manual for recommended replacement intervals.
The timing belt synchronizes the rotation of the crankshaft and camshaft. The timing belt allows the piston to move without striking the valves, allowing the engine to perform its essential functions. The camshaft is used to push fuel and air into the cylinder. The valves close and open as the engine moves forward. When the engine is running, the timing belt prevents the piston from striking the valves on a critical level.
Because of their critical role in the engine, timing belts are often an overlooked component. Without proper timing, an engine will not work properly, and valve damage can be costly. If timing fails, the piston will strike the valves on a critical level, which will damage the engine. Timing belts are a vital automotive component, so make sure yours is in good condition.
A timing belt is a necessary part of your Subaru’s engine. It synchronizes the crankshaft and camshaft to prevent problems with the engine. If a timing belt breaks, the pistons will strike the open valves and cause massive engine damage. Timing belts must be replaced when recommended in your owner’s manual. If it breaks, the engine will shut down.
belt

They cost a lot to replace

Timing belts are expensive to replace, with the average car owner paying $1,200 to have them replaced. Most cars have transverse engines, where the cam cover rests against the driver’s side of the engine. These specialty cars are notoriously difficult to service and require the services of a specialist mechanic. Timing belts are a complex system with a series of idler bearings and tensioner bushes to guide and drive the belt. These components are often replaced at the same time as other routine maintenance work, and they may cost you a bundle.
If you have a car that’s been in the shop for a while, timing belt replacement may be the only option. A timing belt that’s popped isn’t going to make the car run, so you’ll need to get it replaced. If you need the belt replaced, you can use a car service, or you can try to replace the timing belt yourself. It’s a good idea to get several quotes before making the decision to replace the belt.
Depending on the make and model of your car, timing belt replacement costs may range from $250 to more than $1,000. Prices will vary according to vehicle type, labor hours, and the brand of parts and labor. If you don’t have a mechanic handy, you can always use a free online tool like CZPT to get an estimate for timing belt replacement and find a mechanic near you. This will help you save money and avoid the hassle of spending a lot of money on an unnecessary repair.
While timing belts typically last between 60,000 and 100 thousand miles, you may only need to replace them once in your car’s lifetime. Timing belts may seem cheap at first, but if you’re planning on selling your car, you’ll want to avoid the expense of replacing your timing belt. If you don’t, your car’s engine may run poorly and cause your car to use more fuel than it should.

China Standard Hanging Ventilation Exhaust Fan for Greenhouse     with Good qualityChina Standard Hanging Ventilation Exhaust Fan for Greenhouse     with Good quality