Patent ID: 9675917
Date: 2017-06-13
CPC Classifications: B01D,C02F

Claim:
1. An apparatus for protecting a system from being damaged by an outside agency found outside the system in its environment of use and/or for protecting said environment from being damaged, comprising a first housing for holding the system, the first housing forming a pressure vessel, the pressure vessel being closed off from the atmosphere during use, the first housing having means for connecting it to a valve head, and the first housing including means for mounting material for filtering and/or purifying and/or conditioning water therein, and the second housing being adjacent to the first housing without any other housing being positioned therebetween, the first housing comprising a first housing material that is compatible with the system and with water, the first housing material of the first housing being polypropylene, acetal, ABS, or polysulfone, and the second housing means comprising a second housing material that permits the second housing means to protect the first housing and the system against being damaged or compromised by an outside agency found outside the second housing means in the environment of use of the system, the second housing material of the second housing means being a polymer containing a fire retardant, the polymer being polypropylene or polyethylene, wherein the second housing means protects the system and first housing from being directly exposed to a flame having an intensity of a flame from a propane torch up to at least 12 seconds when such a flame is applied to the second housing means.