What is a flameproof motor?

What is a flameproof motor?

Flameproof motors are designed to withstand the pressure caused by an internal explosion without incurring any damage and are also able to prevent flame propagation outside.

What is the difference between flameproof and non flame proof motors?

There is no difference except term. Flameproof design is one of the explosion protection technique extensively used for light fittings, JBs, motors in hazardous areas. This is certified by IEC but is predominantly followed in India and is also governed by local IS standards.

How many types of HP motors are there?

Motors come in different horsepower categories, including: fractional motors (1/20th HP to 1 HP), integral horsepower motors (1 HP to 400 HP), and large motors (100 HP to 50,000 HP). RPM ratings include 3600 RPM (2 pole), 1800 RPM (4 pole), and 1200 RPM (6 pole).

What is the difference between EXE and EXD?

Exe enclosures, also known as ‘increased safety’ enclosures, are typically the cheaper option, while Exd enclosures offer the additional safeguard of containing any flames. The final decision may be based on the characteristics of the surrounding atmosphere, including its temperature T-rating.

What makes a motor explosion proof?

When a spark ignites volatile gas inside a motor, an explosion proof design contains the internal combustion to prevent a greater explosion or fire. An explosion proof motor is clearly marked with a nameplate that identifies its suitability for a given hazardous environment.

Is flameproof the same as explosion proof?

The terms explosion proof and flameproof have the same meaning in that they are constructed in such a way that an internal ignition of a flammable atmosphere will not be transmitted outside of the enclosure and thereby preventing the ignition of surrounding flammables.

What is the difference between Ex ia and Ex ib?

Both certifications are termed I.S. but they have differing end-use applications. Ex ia may be used in a Zone 0, Zone 1 or Zone 2 explosive area where Ex ib may only be used in Zone 1 or Zone 2 explosive area.

What is BHP vs HP?

BHP stands for ‘brake horsepower’ while HP stands for ‘horse power. ‘ The difference between the two is in relation to measurement. BHP is a measure of the actual horsepower the car has at it’s wheels while HP is the amount of horsepower that exists in the engine.

What is IP55 in motor?

Standard industrial motors having a rating of IP55, normally considered ‘weatherproof’, are suitable for dry areas. The term ‘IP55’ is worth explaining. In simplified terms, the first number ‘5’ means ‘protection against dust’, and the second number ‘5’ means ‘protection against water’.

Where are explosion proof motors required?

Division I
If you are a Division I, Class I location, you need a proper explosion-proof electric motor. It should be fully capable of confining the effects of an internal explosion, as the slightest exposure to sparks can auto-ignite the flammable vapors in the atmosphere.

Is a totally enclosed motor explosion proof?

TEFC motors are not secure against high pressure water nor submersible. They are also not explosion proof without additional modifications.

Is flameproof same as explosion proof?

Is ATEX the same as intrinsically safe?

The bottom line is that it is not possible to claim a product certified as intrinsically safe in Europe to EN60079-XX (ATEX) can be deemed as intrinsically safe certified in the United States or Canada and vice versa. For each country, the device should be tested in accordance with the local requirements.