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Home > Products > Respiration valve, Flame arrester > Fire breathing valve

Description Material Performance Product Size Specifications

Fire breathing valve in the system play a safe protective role. When the system pressure exceeds the specified value, the safety valve opens, part of the system gas into the atmosphere, so that the system pressure does not exceed the allowable value, thereby ensuring that the system is not too high pressure due to accidents. One is to reach a certain pressure, call or suction. The other is designed to simply call not suction. Can be understood as the use of two appropriate pressure one-way valve instead. Fire breathing valve not only can maintain the tank air pressure balance, ensure tank in overpressure or vacuum damage, and can reduce the tank medium and loss. This type of valve in the pipeline should generally be installed horizontally.

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Specifications（DN）	Figure No.	weight（㎏/platform）	Installation dimensions（millimeter）
			A	B
80	Fcl-80-00	≈2	Φ198	N+ constant
100	Fcl-100-00	≈3	Φ228	N+ constant
150	Fcl-150-00	≈5	Φ318	N+ constant
200	Fcl-200-00	≈8	Φ438	N+ constant
250	Fcl-250-00	≈11	Φ546	N+ constant

The tank breathing valve 1 (as shown below) removed, and then the folding baffle from the joint tube to the inner tank into the flat, then fixed plate joint disc is arranged on the central position of the tube flange, the electrostatic grounding wire the washer pressure in the breathing valve connecting bolts below, and then re breathing valve can be installed.
1, the breathing valve lifting baffle to engage the breathing valve and tank pipe below, in order to reduce the loss of large oil and gas spillover process of breathing.
2, please specify the name, specification, figure number. Actual height of tank top joint pipe n.

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