IFC 4.3.2.20240512 (IFC4X3_ADD2) under development

7.5.8.84 PEnum_ValveOperation

7.5.8.84.1 Semantic definition

7.5.8.84.2 Type values

Type Description
DROPWEIGHT

A valve that is closed by the action of a weighted lever being released, the weight normally being prevented from dropping by being held by a wire, the closure normally being made by the action of heat on a fusible link in the wire

FLOAT

A valve that is opened and closed by the action of a float that rises and falls with water level

HYDRAULIC

A valve that is opened and closed by hydraulic actuation

LEVER

A valve that is opened and closed by the action of a lever rotating the gate within the valve

LOCKSHIELD

A valve that requires the use of a special lockshield key for opening and closing, the operating mechanism being protected by a shroud during normal operation

MOTORIZED

A valve that is opened and closed by the action of an electric motor on an actuator

PNEUMATIC

A valve that is opened and closed by pneumatic actuation

SOLENOID

A valve that is normally held open by a magnetic field in a coil acting on the gate but that is closed immediately if the electrical current generating the magnetic field is removed

SPRING

A valve that is normally held in position by the pressure of a spring on a plate but that may be caused to open if the pressure of the fluid is sufficient to overcome the spring pressure

THERMOSTATIC

A valve in which the ports are opened or closed to maintain a required predetermined temperature

WHEEL

A valve that is opened and closed by the action of a wheel moving the gate within the valve

OTHER

required category not on scale

NOTKNOWN

Value is unkown

UNSET

Value has not been specified

Table 7.5.8.84.A

Edit on Github


Is this page difficult to understand? Let us know!