Proportional Valve
Electrically controlled valve providing continuous flow or pressure regulation proportional to a command signal.
A proportional valve differs from a conventional on/off valve by continuously varying the position of its regulating element.
Control may use an analogue voltage or current signal, PWM, or a digital interface.
Operating characteristics depend on medium, number of ways and positions, port size, pressure range, and nominal flow.
Hysteresis and repeatability describe regulation accuracy and reproducibility.
Selection considers command-signal type, required flow or pressure range, dynamics, working medium, coil, and control-system requirements.
Proportional valves for regulated pneumatic and hydraulic systems.
Proportional Valve
General3
Commercial or technical designation of a manufacturer's product family sharing a common design and compatible characteristics.
Range of tasks and systems for which the manufacturer recommends the component.
Primary function of the device and its intended use as defined by its design and the manufacturer's documentation.
Dimensions6
External horizontal dimension of the product between its outermost lateral points.
External vertical dimension of the product from its lowest to its highest point.
External distance between the foremost and rearmost surfaces of the product.
External linear dimension of the product along its longitudinal direction or principal length axis.
Transverse dimension of a product or its circular element measured through the centre between opposite points of the circumference.
Mass of the product itself, excluding transport packaging, additional accessories, and external equipment.
Mounting and Installation8
Method used to mechanically secure the product to a support, surface, or load-bearing structure.
Installation arrangement permitted by the product design, such as wall-mounted, flush-mounted, floor-mounted, or another specified mounting type.
Permissible spatial orientation of the component during installation and operation.
Indicates whether the design provides for mounting equipment on a DIN rail.
Number of holes provided in the product for mechanical fixing.
Diameter of the hole provided for a fixing element used when mounting the product.
Distance between the centres of mounting holes in the horizontal direction.
Distance between the centres of mounting holes in the vertical direction.
Electrical Parameters8
Voltage value assigned to the product by the manufacturer for specified application conditions and characteristics.
Current assigned to the product by the manufacturer for the declared operating and thermal conditions.
Nominal power consumption of the relay coil or electromagnetic drive at rated control voltage.
Rated active electrical power of the product declared by the manufacturer for specified operating conditions.
Permitted energization duty of the electromagnetic coil.
AC frequency assigned to the product for normal operating conditions.
Electrical command/setpoint signal types accepted by the proportional valve or valve electronics.
Electrical power consumed by the product itself in the declared normal operating mode.
Environmental Conditions10
Degree of enclosure protection against access to hazardous parts and ingress of solid objects and water, designated by the IP code.
Class of enclosure resistance to external mechanical impacts designated by the IK code.
Minimum ambient temperature at which normal operation of the product is permitted.
Maximum ambient temperature at which normal operation of the product is permitted.
Minimum ambient temperature permitted during storage of the product while not in operation.
Maximum ambient temperature permitted during storage of the product while not in operation.
Minimum relative air humidity permitted for the declared operating or test condition.
Maximum relative air humidity permitted for the declared operating or test condition.
Indicates whether the product's resistance to vibration has been verified under the declared conditions.
Indicates whether the product's resistance to short-duration mechanical shocks has been verified.
Special Features11
Primary fluid/gas medium controlled by the solenoid valve.
Number of flow ports/ways represented in the valve function, for example 3/2 or 5/2.
Number of stable spool/valve positions.
Fluid port thread, tube or connection size.
Minimum operating medium pressure.
Maximum operating medium pressure.
Manufacturer-declared nominal flow rate at the stated pressure conditions.
Difference in valve output/flow for increasing versus decreasing command at the same command value.
Manufacturer-declared repeatability of valve output or position for repeated command conditions.
Indicates that the contactor provides a local manual override mechanism in addition to electrical coil operation.
Manufacturer-declared response time of the relevant protective function of the product to a surge impulse.
Standards and Compliance4
Indicates whether the CE marking is applied to the product where applicable.
Indicates whether product compliance with applicable RoHS restrictions on hazardous substances has been declared.
Indicates whether the manufacturer declares product compliance with IEC 60529.
Indicates whether the product has been tested according to applicable methods of the IEC 60068 series.