The safety lock of fire OP is intended for prevention of penetration of sparks and a flame from one space of the pipeline in another when passing through it flammable liquids (LVZh) or their vapors and combustible gases, with a working pressure no more than 0,6 MPas (6kgs/cm2). The fire safety lock is established on the end or in any place of the pipeline. The installation site of a safety lock is defined by project documentation.
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