 Features：Vacuum safety valve is our newly
developed product. The patent No. is 92 2 23398.X. Applicable to the equipment which
bears negative pressure. It can prevent sinking of containers because of negative
pressure. This valve can open automatically and draw in air: when
the negative recovers to the regulated value, the valve will close automatically. This
valve applies the spring starting structure with recoil plate, which closes quickly and
releases in large bulk. Reasonable structural design and the seperation of spring from
fluids both avoid corrosion of spring due to touching the fluids. Dirt and rain -proof.
Simple installation.
Application：Applicable to containers
and equipment with PN1.0～2.5MPa，≤200℃ working temperature and the starting
pressure of -0.001～-0.09MPa. Different materials of valves can
be applied to various fluids like air, vapour, oil, nitric acid, acetic acid, oxidation
fluid and urea, etc.
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