Tisdale Company, Inc

Explosion Proof HVAC

Tisdale Company can design and build HVAC/R systems from the ground up or modify customer preferred equipment for hazardous locations on shore or off shore. Tisdale Company has extensive knowledge of the industry standards required for explosion proofing air conditioning equipment by meeting or exceeding all of the latest codes found in NFPA (NEC)

What type of protection is required?

To determine what type of protection is required on HVAC equipment we must first look at the application. National Electric Code (NEC®) which is a part of The National Fire Protection Association (NFPA) or also known as NFPA 70 and ANSI/NFPA 70 has definitions for all the types of protection that is used in hazardous or classified locations such as:

Explosion Proofs

Electrical equipment housed in an enclosure that is capable of withstanding an explosion of a specified gas or vapor that may occur within it and of preventing the ignition of a specified gas or vapor surrounding the enclosure by sparks, flashes, or explosion of the gas or vapor within and that operates at such an external temperature that a surrounding flammable atmosphere will not be ignited thereby.