4-72 type Ventilating fan

Detailed Product Description

4-72 series  centrifugal fans

 

Ventilating fan:Weight:25~352kg,
Volume:500~21000m3/h,
Speed:870~3500r/min,
Pressure:490~1800Pa,
Voltage:380V/440V,50HZ/60HZ

1. 4-72 series centrifugal ventilators or simply the ventilator is capable of blowing air, ocean air containing salt vapour, and corrosive air which contains oil vapour and a small quantity of acid steam generated by the natural evaporation of the batteries. So it can be used for ventilation of various machinery room and each compartment of boats and ships as well as other likes spaces.

The ventilator is designed and manufactured according to GB11865-89(Marine centrifugal fans) and the Rules and Regulations for the Construction and classification of Sea-going Steed ships approved by the Register of the Peoples Republic of China.

2. WORKING CONDITIONS

Medium temperature: -25 ~ +50

Max relative humidity: 95%

Periodical swing: ±22.5°

Continued transversal incline: ±15°

Continued longitudinal incline: ±10°

Vibration: existent

Impact:  existent

3. CHARACTERISTICS

Small size and light weight.

Low noise and low vibration.

Good anti-corrosiveness.

Good air tightness.

Small starting torque.

Strong resistance against swing,

vibration and impact.

4. STRUCTURE TYPE

The ventilator is designed and manufactured into a horizontal structure type or a vertical one, which the vane wheel is mounted directly on the motor shaft extension.

The vane wheel, being riveting structure is  

made of aluminum alloy and carefully balanced by static and dynamic ways.

    Both the machine casing and the inlet are made of welded common steel with airtight structure:

The ventilator can be made for left or right rotation:

Left rotation-viewed from the motor side, the vane wheel rotates anti clock-wise and indicated as L.

Right rotation-viewed from the motor side, the vane wheel rotates clockwise and indicated as R.

The outlet position of ventilator, according to the rotating direction of vane wheel, is made into the following main types. In conformity with the requirement, the outlet position is allowed to use other types, the step angle of which is 30°or 22.5°.

COMPANY INTRODUCTION

 

Our company,Qingdao Chunhao Air Blower Ventilation Equipment Co., Ltd. is located in the Scientific Technology Park of Shinan District, Qingdao. We are in the west of Laoshan scenic spot and are in the southeast of Qingdao Liuting International Airport. Our company is a specialized company in designing, producing, and serving ventilators for ships and other aeration facilities.

 

Our products - JCL(CLQ), JCZ(CZ), CBL, and CBZ aeration facilities have been CSS certified by the Anti-Explosion Examining Centers of ABS, BV, DNV, GL, KR, LR, NK, and RINA.

 

Our company has been awarded the International Quality Management Certificate ISO9001:2000 with complete manufacturing equipment, advanced technologies and perfect testing facilities and methods. Our company has an expert group for designing and manufacturing, and is composed of one professor (part-time), 4 senior engineers, 11 secondary engineers, 2 technicians and 21 skilled artificers. We are also engaged in designing and manufacturing whole sets of aeration systems for air exchange, dust cleaning and air power transportation.

 

Holding the tenet of "credibility" and sticking to the policy of "credibility leads to a better future", our company will speed up technical innovation and product designing and reward our customers with excellent products and service in the following days.

We warmly welcome all the customers from at home and abroad to visit us and we are sure that we will have a better future with our faithful corporation.

 

Tel:86-532-87973827  86-532-87061222  86-532-87896878

Fax:86-532-87973667  86-532-87896878

ADD:No.318A,Jiushui Road,Licang District,Qingdao,Shandong province,China