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  • CBZT- 30~180 marine ex-proof (non-spark) axial fan

    CBZT series marine ex-proof axial fan (hereinafter referred to as “fan”), this is a new ex-proof fan adopts explosion precaution according to regulation on the basis of CZT type. Motor and electric equipments adopt ex-proof type; rotating parts are matched with static parts, gap should be adopted according to rule to prevent generating spark. It can be used to transport Group B T1~T4, Group C T1~T4 flammable, explosive gas in ships, vessels and platforms.

Product Features

Product features:

Model Description:

“C”: marine

“B”: explosion-proof

“Z”: Axial flow fan

“T”: Low noise and high efficiency

Composition: The ventilation fan is mainly composed of a casing, impeller, stationary blade support legs, and marine explosion-proof motor.

Product Features:

Suitable for transporting flammable and explosive gases from Group B T1 to T4 and Group C T1 to T5 on ships, vessels, and oil platforms.

Product advantages:

Ventilators have the characteristics of low noise, high flow rate, high pressure, and high efficiency. The fan has good corrosion resistance, effective resistance to impact and vibration, smooth and safe operation, and can be reversed according to user needs.

There are various types of ventilation fans available for users to choose from: Type I (A-plate type), Type II (air duct type), Type III (compartment type), Type IV (olive type), and Type V (upper outlet type).


Basic parameters:

● Airflow: 500~180000 m3/h

● Full pressure: 100-1150Pa

●Power: 0.55kW~90kW

● Electrical system: Standard configuration AC 3PH 380V/50Hz, AC 3PH 440V/60Hz, If necessary, other electrical systems can be selected: AC 3PH 415V/50Hz,AC 3PH 460V/60Hz,AC 3PH 480V/60Hz,AC 3PH 690V/60Hz。

● Chassis: The structural type is cylindrical. Inside the casing, a fireproof flower copper ring is arranged at the rotating part of the impeller to prevent explosion. The main function of the casing is to collect gas, guide the gas, improve the internal efficiency of the fan, support the motor, and protect the operation of the impeller.

● Impeller: The structural type is wing shaped blades, made of ZL104 cast aluminum alloy, and has undergone strict dynamic balance correction and overspeed testing.

● Static blade support foot: The static blade support foot plays a role in connecting the motor and the cylinder. At the same time, the static blade adopts a twisted blade guide vane structure. The function of the guide vane is to collect the gas coming out of the impeller and convert a part of its kinetic energy into pressure energy.●●●      ● ●Marine explosion-proof electric motor: It has good moisture resistance, mold resistance, and salt spray resistance, and is characterized by smooth operation and low noise. The structure of the marine explosion-proof motor is a closed three-phase AC cage rotor asynchronous motor. It can prevent dust, iron filings, or other debris from entering the interior of the motor. Can meet some harsh environments at sea. Working principle: An alternating electric field generates an alternating magnetic field through a coil. The change in magnetic flux generates a magnetic field force in the rotor winding, which drives the rotation of the rotor and converts electrical energy into mechanical energy. The explosion-proof performance of the motor is made according to the provisions of GB3836.1-2010 "Explosive Environments Part 1: General Requirements for Equipment" and GB3836.1-2010 "Explosive Environments Part 2: Equipment Protected by Explosion proof Enclosures". Space heaters can be added according to requirements.

● Marine explosion-proof motors can be selected from domestic brands such as Texas Hengli, Jiangsu Dazhong, and Far East according to requirements, as well as imported brands such as ABB, Siemens, and BAIC.


Application scenarios:

Suitable for transporting flammable and explosive gases from Group B T1 to T4 and Group C T1 to T5 on ships, vessels, and oil platforms.


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