Negative pressure safety working principle of the pneumatic valve

the negative pressure pneumatic valve is safe sanitary stainless steel pneumatic valve, its security design makes it can protect the equipment, so it is installed in the discharge pressure loop, for piping, pump, safety protection device, storage tank, etc. Widely used in food, beverage, dairy, pharmaceutical, beer, etc.

negative pressure safety working principle of the pneumatic valve
when negative pressure safety pneumatic valve is by adjusting the spring pressure calibration nut to a certain pressure. Calibration pressure is to avoid the equipment damage of maximum safe pressure. Under normal working pressure, pneumatic valve is closed; When the system pressure exceeds the calibration, pneumatic valve to open. The pressure in the pipe system was released, so as to achieve the protection of piping and equipment.
when security pneumatic valve is a relatively special pneumatic valves, all through the strict check at the factory, but in order to make the pneumatic valve can be more practical operation condition, so the conditional, should as far as possible field of pneumatic valve and check again.
when it increases the pneumatic opening device for pneumatic valve and piping of CIP cleaning for safety.

negative pressure pneumatic valve technology security options
specifications from DN 'to the DN - '
when operating pressure range ( Change the spring)
when welding, clamp, thread, flange connection, Mm or inch)
when maximum working pressure: bar
when working temperature: - ℃ ℃ ( ℃ for short or disinfection)
when the compressed air pressure: bar - Bar
when gas connections: R/' ( BSP) :
when in contact with the material parts. /AISI L . / AISI
when other stainless steel parts:. Inner surface contact/AISI
when products: Ra or less. Mu m electrolytic polishing
when the surface treatment: polishing
when seal: EPDM comply with FDA.