Security pneumatic valve and high pressure inception jump jump? Safety of the pneumatic valve opening pressure and discharge pressure difference?

security pneumatic valve and high pressure inception jump jump?
all rev type pneumatic safety valve in the normal working state, jump pressure ( Opening pressure) Is the system pressure ( The internal pressure of work . Times, that is, jump pressure is greater than the system pressure, the sudden rise when the system pressure, when the system pressure rise to jump, medium slowly leaks to gather at the groove, the stress of the medium size, safety pneumatic valve open, when security pneumatic valve open to set the height of medium pressure for the discharge pressure, dielectric discharge, pressure drop, when medium pressure is lower than the takeoff, security pneumatic valve closed, medium pressure to return at this time, the security of the pneumatic valve open to the return of the process is completed.
more involved four pressure: pressure:
and takeoff is opening pressure, went into a state of continuous emissions is medium, there was a displacement can be measured or pneumatic valve stem pneumatic valve inlet medium pressure to open the safety of the pressure;
and the system pressure, pneumatic valve internal working pressure is security;
and discharge pressure: the safety of the pneumatic valve closed a fully open to the safety of the pneumatic valve inlet medium pressure;
, back pressure: refers to pneumatic disc to contact with the pneumatic valve seat, i. e. opening into the safety of the zero pressure pneumatic valve inlet medium. Back pressure and the takeoff of the pressure is not greater than the difference between the takeoff %, i. e. , the back pressure for the takeoff of the %, %) 。
security pneumatic valve opening pressure and discharge pressure have what differentiation?
Pd security pneumatic valve discharge pressure
PS security pneumatic valve opening pressure of the inside of the
security pneumatic valve calculation:
= Pd. PS + .
security pneumatic valve opening pressure: safe, pneumatic valve pneumatic disc start rising, materials stress of continuous outflow. Value the same as the set pressure pneumatic valve discharge pressure
security: security fly pneumatic valve pneumatic valve core reaches the maximum height after pneumatic valve pressure at the entrance of the mouth. Discharge pressure is equal to the set pressure and overpressure pneumatic valve overpressure:
security in the process of discharge, the safety pressure more than at the entrance of pneumatic valve set pressure, usually expressed as a percentage.
this is just like spring, different position shift to produce different soil fertility, pneumatic valve opening pressure is just left entry sealing surface, sealing surface discharge pressure pneumatic valve leave exports.

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