Carbon Steel Pressure Relief Valve are the last resort when abnormal pressure conditions endanger the silo structure. This is why sudden excess or suction pressure inside the silo must be dealt with instantaneously. Even though ideally a Pressure Relief Valve should never have to go into action, it must be efficient and reliable if needed.
Other Details:
All standard versions preset for an activation negative pressure of - 0.005 bar (0.07 psi) and an excess pressure of + 0.05 bar (0.72 psi)
In case of particular customer requirements calibration can be changed by means of a special spring kits