Assertion: safety valve's pressure | /r/HasProperty | variable
Facets:
Source sentences:
text: When superimposed back pressure is variable, a balanced bellows or balanced piston design is recommended.
text: Back pressure, which may be constant or variable, is pressure on the outlet side of the pressure relief valve as a result of the pressure in the discharge system.
text: Back pressure, which may be constant or variable, is pressure on the outlet side of the pressure relief valve as a result of the pressure in the discharge system.
text: The pressure can be constant or variable.
text: This pressure may be constant or variable.
text: The pressure can be constant or variable.
text: This pressure may be constant or variable.