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# Shandong LTC Ventilation Fan Co.,Ltd

LTC is professional on designing, manufacturing centrifugal ventilation fans

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## Posts

- [Application of Ventilation Fan in Data Centre](https://www.ltcventilation.com/blogs/2786.html) - Capable of operating in a temperature range of -30 ℃ to 46 ℃ or even higher; constant temperature and humidity Maintain relative humidity indoors and keep a constant temperature; Must remove dust; High automation requirements; There is an advanced fault alarm system and self diagnostic function upon startup. It can automatically start when powered off.
- [SF-NAF Type Axial Flow Fan](https://www.ltcventilation.com/products/2528.html) - NAF type axial flow fan adopts advanced aerodynamic design in the industry, and the fan energy efficiency reaches the first level of ventilation fan energy efficiency. This series of products has passed the fire protection product certification and can operate continuously for more than 120 minutes under high temperature conditions of medium temperature of 280
- [T35-11 Axial Flow Fan](https://www.ltcventilation.com/products/2533.html) - The T35-11 axial flow fan blades are designed using a combination of bending and sweeping techniques, which can effectively suppress the separation of end wall boundary layers to reduce secondary flow losses, improve efficiency while ensuring pressure rise requirements, expand the high-efficiency range, and reduce rotational noise and eddy current noise.Product Parameters:Airflow: 800~65000 m3/hWind pressure:
- [HTF-W Axial Flow Fire Exhaust Roof Fan](https://www.ltcventilation.com/products/2537.html) - The HTF-W axial flow fire smoke exhaust roof fan has a basic form of axial flow roof structure, and the motor adopts a high temperature resistant motor. The product is tested for high temperature resistance according to GA211-2009 "High Temperature Resistance Test Method for Fire Smoke Exhaust Fans" and has passed the 3C mandatory certification
- [UKA/UKB Type Axial Flow Fan - Medium & Low Pressure High Flow Fan Manufacturer - Fire Smoke Exhaust & Ventilation Equipment](https://www.ltcventilation.com/products/2544.html) - UKA/UKB Axial Flow Fan: Medium-Low Pressure High Flow As specialized ventilation equipment focusing on medium & low pressure and high flow working conditions, UKA type and UKB type axial flow fans have become the preferred equipment in the field of high-end building ventilation and fire smoke exhaust, relying on their excellent aerodynamic performance, reliable structural
- [EC External Rotor Axial Flow Fan](https://www.ltcventilation.com/products/2548.html) - EC external rotor axial flow fan, EC fan is a digital, intelligent, and energy-saving product, mainly composed of DC brushless external rotor motor (EC motor) and high-efficiency centrifugal rotor. Fans can achieve precise control of parameters such as speed, air volume, and pressure through electronic controllers, which can effectively reduce energy consumption and noise, and
- [How to do Maintenance to Marine Ventilation Fans](https://www.ltcventilation.com/blogs/2780.html) - Marine fans are running on ships and exposed to high humidity and salt, oil contamination, and turbulent conditions. Maintenance is crucial for ensuring their readiness for use and extending service life. Daily check, periodic maintenance, and targeted repairs are necessary as maintenance work . Marine fans are running on ships and exposed to high humidity
- [Control Methods for Centrifugal EC Fan](https://www.ltcventilation.com/blogs/2776.html) - Control Methods for Centrifugal EC Fan (Brushless Motor + Intelligent Control) A Customized Control Solution Basic Control: speed adjustable by 0-10V analog signal (coordinate with thermostat, temperature ↑→ speed ↑) Upgraded Control: PWM+MODBUS-RTU（monitor speed/current/temperature by PLC） Protection Functions: triple protections of over current/over heat/stall, with output of warning on failure
- [Water Hammer Effect in Fan Coil Units](https://www.ltcventilation.com/blogs/2772.html) - As a closed water circulation device for the terminal of central air conditioning, the water hammer effect in the fan coil unit (FCU) system belongs to a low-pressure, small-amplitude water hammer. Due to the system's low operating pressure (generally 0.3~1.0MPa) and small pipe diameter (branch pipes mostly DN15~DN25) compared with industrial large-diameter water systems, the
- [Annual Energy Saving of Centrifugal Fan EC500](https://www.ltcventilation.com/blogs/2767.html) - 1. About Working State 2. Calculation of Annual Energy Consumption 2.1 Annual Energy Consumption Of EC500 E_1 = P_1 \times T \times \frac{1}{1000} = 1350W \times 8760h \times 0.001 = 11826kWh 2.2 Annual Electricity Charge 2.3 Maintenance Cost Suppose purchasing cost for one set of EC500 is 18,000 yuan, purchasing cost for one
- [Why should we install FCU in the way: bottom supply & top return (BS&TR)](https://www.ltcventilation.com/blogs/2740.html) - Installation of FCU : bottom supply & top return (BS&TR) When doing the installation of fan coil units ( FCU ), water inlet and water outlet are usually arranged in the way that supply from below and return from above. That means, the water supply pipe is installed below, then valve components such as inlet
- [EC Centrifugal Fan with Backward Curved Direct Drive](https://www.ltcventilation.com/blogs/2754.html) - EC direct-drive centrifugal fan with backward blade is a high-efficiency ventilation device that is directly driven by an electronically commutated (EC) permanent magnet synchronous motor with a backward centrifugal impeller. It is high energy efficient, low noisy, easy to maintenance, and intelligent controllability, making it suitable for medium to high-pressure and long-distance air delivery application.
- [Comparation between Mixing Ventilation and Displacement Ventilation](https://www.ltcventilation.com/blogs/2734.html) - Fig2. Flow Regime of Displacement Ventilation in Air Conditioning System
- [Displacement Ventilation: What It Is, Why It Matters & Design Considerations](https://www.ltcventilation.com/blogs/2726.html) - Displacement ventilation (DV) is an advanced air distribution strategy that has gained significant traction in both commercial and industrial buildings for
- [How to do maintenance for air conditioning fans](https://www.ltcventilation.com/blogs/2375.html) - The centrifugal ventilation fan is a mechanical air conditioning device which will use mechanical energy source to raise air pressure to discharge air. As a passive hydro machine, it is widely used as air handing machine in industries, construction, and other fields. So, how to do maintenance for it? Regular Maintenance of Centrifugal Air Conditioning
- [9 Pieces Blades Low Noise Aluminum Alloy Jet Fan Impeller](https://www.ltcventilation.com/products/2403.html) - About Structure The blades are designed with high-efficiency and low-noise wing shapes, and both the hub and blades are made of high-quality high-strength aluminum alloy by die-casting. Treatment onto Blade Each blade has been done by heat treatment, X-ray inspection, tensile testing, and approved by metal performant test, dynamic balance verification which ensures reliable quality
- [How to Protect forward-curved centrifugal fans from Corrosion to Extend Its Life](https://www.ltcventilation.com/blogs/2381.html) - Centrifugal fans may encounter corrosion issues during use. LTC Ventilation do in the corrosion-resistant design for the forward-curved centrifugal fan?
- [LKZWH Centrifugal Fan No Volute Direct Shaft Drive Backward Curved Blade](https://www.ltcventilation.com/products/centrifugal-fan/263.html) - LKZWH series back-curved blade single-inlet shaft-driven centrifugal fan without volute is a new-typed fan developed by our company. It has no volute and can be directly installed in the equipment requiring ventilation or placed in any size of bellows. In this kind of special working situation, its efficient working area is wider than that of
- [LKZD Centrifugal Fan Direct Shaft Drive Single Air Inlet Forward Curved Blade](https://www.ltcventilation.com/products/centrifugal-fan/265.html) - LKZD series forward-curved blade single-inlet shaft-driven centrifugal fan is characterized by that the motor is located at the non air inlet side of the fan
- [LKZ Direct Drive Double Air Inlet Forward-Curved Blade](https://www.ltcventilation.com/products/centrifugal-fan/266.html) - The LKZ forward-curved blade double-inlet fan—a shaft-driven, direct-drive model—features a forward impeller directly coupled to an externally mounted motor via a long shaft, enabling simultaneous air intake from both sides of the LKZ forward-curved blade double-inlet fan. Its streamlined, robust structure not only ensures operational reliability for the LKZ double-inlet fan but also minimizes inlet
- [LKP Double Air Inlet Belt Driven Centrifugal Fan– Energy Saving, Compact, High Airflow Design](https://www.ltcventilation.com/products/centrifugal-fan/272.html) - LKP series forward double air inlet belt drive centrifugal fan adopts a forward impeller with belt driven. The motor is located outside the volute.
- [LKZS Twin Volute Direct Drive Forward Curved Centrifugal Fan](https://www.ltcventilation.com/products/centrifugal-fan/264.html) - LKZS series double volute forward shaft drive centrifugal fan adopts the special structure that the impellers of two double inlet centrifugal fans are directly connected to the long shaft of the same motor, reduces the volume of the whole machine, and can obtain larger ventilation volume under the condition of small installation space.The fluid model
- [LKPH Series Belt Drive Backward Curved Blade Centrifugal Fan](https://www.ltcventilation.com/products/centrifugal-fan/270.html) - LKPH belt-driven centrifugal fan: energy-saving & quiet. Customizable motors for HVAC, hotels, factories. Trusted by global users.
- [LKWD Centrifugal Fan-Energy-Saving for HVAC](https://www.ltcventilation.com/products/centrifugal-fan/271.html) - LKWD series forward-curved-blade single-inlet centrifugal fan with external rotor motor adopts a single air inlet structure,especially suitable
- [LKPS Double Volute Centrifugal Fan - Energy Saving, Compact, High Airflow Design](https://www.ltcventilation.com/products/centrifugal-fan/269.html) - LKPS series double volute forward belt drive centrifugal fan is comprised of connected volute and impeller of two sets of double inlet centrifugal fans.
- [LKWG Duct Centrifugal Fan With Rotor Motor](https://www.ltcventilation.com/products/centrifugal-fan/267.html) - LKWG series duct fan with external rotor motor adopts square inlet and outlet flange. Its shape is similar to a section of air duct.
- [LKW Double Air Inlet Centrifugal Fan With Motor](https://www.ltcventilation.com/products/centrifugal-fan/268.html) - LKW series forward-curved-blade double-inlet centrifugal fan with external rotor motor is a special fan for air conditioning system developed by LTC
- [About Corrosion Resistance of Marine Fan](https://www.ltcventilation.com/blogs/2626.html) - It is vitally important to test corrosion resistance for marine fan.Corrosive factors such as high humidity and salt fog corrodes marine fan continuously. The severe corrosive conditions are tough challenges to the performance and lifespan of the marine ventilation fan. For marine centrifugal fan and axial fan for ventilation, the significance of testing corrosion resistance
- [SDS Jet Fan with Rotation Direction Forward and Reverse Switchable](https://www.ltcventilation.com/products/2414.html) - Function It does forcing ventilation and exhaust, which introduce sufficient fresh air into the tunnel and simultaneously expel harmful gases out in order to maintain good air quality. About Structure The impeller of the SDS jet fan consists of a hub and blades. The blades are designed with high-efficiency and low-noise wing shapes, and both
- [8 Pieces Blades Low Noise Aluminum Alloy Jet Fan Impeller](https://www.ltcventilation.com/products/2410.html) - About Structure The blades are designed with high-efficiency and low-noise wing shapes, and both the hub and blades are made of high-quality high-strength aluminum alloy by die-casting. Treatment onto Blade Each blade has been done by heat treatment, X-ray inspection, tensile testing, and approved by metal performant test, dynamic balance verification which ensures reliable quality
- [Array Silencer](https://www.ltcventilation.com/products/2418.html)
- [Duct Silencer](https://www.ltcventilation.com/products/2422.html)
- [Classification and Components of Centrifugal Fans](https://www.ltcventilation.com/blogs/2427.html) - Centrifugal fan is a mechanical device that relies on input mechanical energy to increase air pressure and discharge air. It is a passive fluid machinery. Centrifugal fans are widely used for ventilation, dust removal, and cooling in factories, mines, tunnels, cooling towers, vehicles, ships, and buildings. Application Classification Component
- [The ventilation fan is a crucial part of air conditioning unit.](https://www.ltcventilation.com/blogs/2370.html) - The ventilation fan (centrifugal fan or axial fan) is a crucial part of air conditioning unit. Many malfunctions that occur during running of the air conditioning unit are caused by faults related to model selection and installation of the ventilation fan (centrifugal fan or axial fan). The following faults listed mostly occur in daily use.
- [ZL series axial fan](https://www.ltcventilation.com/products/2340.html) - ZL series axial fan is an advanced type, with blades and cover installed onto its outer rotor motor. It has compact structure, easy to be installed, good dynamic performance, high efficiency and low noise. Applied for refrigeration equipment, heat exchange, and ventilation. Model Definition ZL 400 B – 4 C ZL： axial fan 400： diameter
- [Difference between forward curved and backward curved centrifugal fans](https://www.ltcventilation.com/blogs/2158.html) - Mainly on structure of blades running efficiency and power consumption noise performance and application maintenance 1、About difference on structure of blades forward curved centrifugal fan: blade outlet angle is bigger than 900, blades arrangement in high density (quantity of blades is relatively big) and dimension of blades is small, which has compact structure. 2、About running
- [About Air Cooler](https://www.ltcventilation.com/blogs/2141.html) - Air coolers are applied in industrial and household scenarios. Industrial coolers are generally applied in cold storage and cold chain logistics refrigeration conditions. Household coolers, also known as water-cooled air conditioners, are evaporative cooling and air exchange units that integrate cooling, air exchange, dust prevention, and odor removal. In addition to providing fresh air and
- [ Shock Absorption for Centrifugal Fan](https://www.ltcventilation.com/blogs/2138.html) - The way of shock absorption for centrifugal fans is to install centrifugal fan on the damping pedestal, and install absorber or lining between the pedestal and the foundation to do vibration attenuation. Kinds of pedestals: ① Reinforced concrete pedestal. With structural steel as frame, with rebars arranged inside the frame, and then poured with concrete.
- [HOW DO CENTRIFUGAL FANS WORK?](https://www.ltcventilation.com/blogs/2131.html) - HOW CENTRIFUGAL FANS MOVE AIR – WHAT MAKES THEM DIFFERENT All fans are rotary-bladed machines designed to maintain a continuous flow of air. They use an impeller to draw in that air – but the exact way they move and expel the air differs, based on fan type. At a headline level, all centrifugal fans
- [Safety operating procedures for centrifugal fans](https://www.ltcventilation.com/blogs/2124.html) - 1、 Basic definition of centrifugal fans A centrifugal fan is a device that can generate a comfortable and hygienic amount of air flow. The operation of centrifugal fans can effectively improve indoor air cleanliness, maintain air humidity, temperature, and oxygen concentration within an appropriate range. It is one of the essential equipment for various industrial
- [Ship ventilation system](https://www.ltcventilation.com/blogs/2119.html) - According to the characteristics of mechanical ventilation and natural ventilation, many large and medium-sized ships adopt a combination of the two ventilation methods. Small ships use natural ventilation for air circulation.Ventilation methodShip ventilation systems are divided into two types: mechanical ventilation and natural ventilation.system composition Mechanical ventilation consists of axial fans, ventilation ducts, and air
- [Wall mounted axial fans with aluminum sheet propeller](https://www.ltcventilation.com/blogs/2114.html) - shadow loop motors and built-in connection cable Fan:• Steel sheet support frame.• Aluminium sheet impeller.• Protection grid against contacts according to UNE-EN ISO 12499.• Airflow direction from motor to impeller. Motor:• Class B motors, with self-lubricating friction bearings, IP44 protection.• Single-phase 230 V 50 Hz.• Working temperature: -30 ºC +50 ºC. Finish:• Anti-corrosive finish in
- [Double inlet centrifugal fans with direct drive motors and forward impeller](https://www.ltcventilation.com/blogs/2109.html) - Fan:• Galvanized steel sheet casing.• Forward curved impeller in galvanized sheet steel.• Supplied with CPS support feet. Motor:• High efficiency (HE) motors in compliance with ErP 2015.• Enclosed motors with built-in thermal protector, class F, with ball bearings, IP54 protection.• Multi-voltage motor. Special design valid for single-phase 220 V 60 Hz and three-phase 220-277 /
- [High Pressure Industrial Centrifugal Fan](https://www.ltcventilation.com/blogs/2106.html) - Backward Curved SWSI Centrifugal Fan - Wheel Type U - YFBCSU Airflow Range: 500 ~ 125,000 m³/h (294 ~ 73,529 CFM ) Total Pressure Range: 300～11,500 Pa (1.2 ~ 46.17 in.WG.) Operating Temperature: -20 ~ 450 ℃ Drive Type: Direct/ Belt/ Axial Installation Methods: Base Mount Applications: Industrial/ Explosion Resistant
- [The different types of centrifugal fans](https://www.ltcventilation.com/blogs/251.html) - Sometimes known as blowers, centrifugal fans are generally found in commercial and industrial HVAC (heating, ventilation and air conditioning) markets. They can be used for a variety of applications such as commercial ventilation, domestic boilers and heat recovery systems. There are a wide range of centrifugal fans available based on the different airflows required for

## Pages

- [Contact Us](https://www.ltcventilation.com/contact) - Working Hours: Monday ~ Saturday 09:00 - 17:00 Address: Economic Development Zone, Linzi District, Zibo City,Shandong Province WhatsApp/Tel:+86 189 398 232 86 , Email:business@ltcventilation.com
- [FAQ](https://www.ltcventilation.com/faq) - Company Information Q: What about your business mainly on? A: We are Chinese manufacturer of ventilation equipment, mainly on centrifugal fan. A part of axial fan can also be provided, especially applied as a part of refrigeration equipment. Q: Where is your company located? Can I come to visit? A: Our factory is located at
- [Privacy Terms](https://www.ltcventilation.com/privacy-terms) - This Privacy Policy describes how we collects, uses, and shares your personal information when you visit our website ltcventilation.com. By using the Site, you agree to the collection and use of information in accordance with this policy. 1.Information We Collect We collect several types of information from and about users of our Site: a. Information
- [About Us](https://www.ltcventilation.com/about) - LTC Ventilation Fan Co.,Ltd is professional on designing, manufacturing centrifugal ventilation fans. Our ventilation fan factory covers an area of about 20,000 m2, plant area of more than 10,000 m2. We have more than 40 experienced technicians with strong researching and developing abilities. We have technology research departments, such as Motor Design Office, Fan Design Office, Fan
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## 页面构建器

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## Categories

- [Products](https://www.ltcventilation.com/products)
- [blogs](https://www.ltcventilation.com/blogs)
- [Direct-driven Centrifugal](https://www.ltcventilation.com/products/centrifugal-fan/direct-driven-centrifugal)
- [Belt-driven Centrifugal](https://www.ltcventilation.com/products/centrifugal-fan/belt-driven-centrifugal)
- [With outer Rotor Motor](https://www.ltcventilation.com/products/centrifugal-fan/with-outer-rotor-motor)
- [CENTRIFUGAL FAN](https://www.ltcventilation.com/products/centrifugal-fan)
- [AXIAL FAN](https://www.ltcventilation.com/products/axial-fan)
- [JET FAN IMPELLER](https://www.ltcventilation.com/products/impeller)

## Tags

- [Centrifugal Fans](https://www.ltcventilation.com/tag/144)
- [Centrifugal Fan](https://www.ltcventilation.com/tag/162)
- [Double Air Inlet](https://www.ltcventilation.com/tag/164)
- [Forward Curved Blade](https://www.ltcventilation.com/tag/165)
- [With outer Rotor Motor](https://www.ltcventilation.com/tag/166)
- [Single Air Inlet](https://www.ltcventilation.com/tag/167)
- [Centrifugal Fan Duct Type](https://www.ltcventilation.com/tag/168)
- [Belt Drive Centrifugal Fan](https://www.ltcventilation.com/tag/169)
- [Twin Volute Cetrifugal Fan](https://www.ltcventilation.com/tag/170)
- [Backward Curved Blade](https://www.ltcventilation.com/tag/171)
- [Direct Shaft Drive](https://www.ltcventilation.com/tag/172)
- [Centrifugal Fan without Volute](https://www.ltcventilation.com/tag/173)