Marine Ventilation Fan >> CBGD Marine Explosion-Proof Centrifugal Fan

1. General
TYPE CBGD marine explosion-proof or high efficiency low noise centrifugal fans are explosion-proof products for marine use which developed from the CGDL series marine centrifugal fans. The series are designed and manufactured according to<Marine explosion-proof fans>, <Electrical apparatus for explosive atmospheres> and ship regulations of Chinese and international.
Non-sparking fans are suitable for every cabin air ventilating and exchanging on ships which containing combustible and explosive gas. They are also applicable in other places that suit.
This series fans have been examined and proved up to standard by the Explosion-proof inspection Authority of the PRC and have got the certificate of inspection. They have also been examined by the Register of Shipping of PRC and have got the certificate.
This series, non-sparking fans have the features of high explosion-proof grade, high efficiency, low noise, no overload, well anticorrosive, resistance to swing vibration and shock, stable turning and safely, reliability, etc.
3. Structure
There are two structural types:
Type I (direct-coupling type) and type II (separate cabins type). The construction is non-sparking. The structure of type I is a motor direct coupling one, the impeller is mounted directly on the motor shaft, and the casing is fixed on the flange of the explosion-proof motor.
The type II is a separate structure, the fan and the motor are put into different cabins, with a driving device, flexible couplings, and the driving device and the other side will be mounted on the bulkhead.consists of bearings, bearing-box, shaft, brass rings, stuffing box, it can be oiled and measured the temperature. One side is fixed on the fan, 
The fan may be made into a horizontal or vertical, single-stage, single-drawing and airtight structure by the customer’s requirement.
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