The iDP Series of aggressive media solenoid valves has expanded. The diaphragm isolated 390 series 2-port proportional valve delivers a variable output flow of aggressive chemicals and cleaning fluids … from a corresponding variable input current to its solenoid.
Similar to the 350 series ON/OFF direct solenoid valve in flow, size and shape, the 390 is the first of its kind in proportional control. For example, users of the 390 Series may now control liquid chemical flow “rate” under variable pressure conditions, or may vary the chemical dilution when mixing with water.
Available as inline (390 Series) or as manifold (391 Series and to upstream pressure settings of 10, 20 and 40 psig.
The Humphrey Balanced Solenoid Valve family of 3- and 4-port direct acting valves now includes IP67 rated, environmentally protected models.
Solenoid modifications and extensive testing has certified IP67 models to withstand dust ingress completely, and submersion in water to a depth of one meter over 30 minutes. IP67 models are limited to DIN electrical entry and without override. Humphrey DIN connector HS2-CLL is suitable for IP67 protection as well.
The IP67 requirement is quite challenging, and therefore quite saleable to food processing and packaging OEMs and their end users, as well other moisture laden or wash down applications.
Additionally, we’ve added fluorocarbon elastomers to the Balanced Valve offering for those chemical and temperature compatibility applications. Finally, metric piping ports in both “G” and “Rc” threads are now available for OEMs marketing equipment internationally.
We are pleased to introduce our latest product within the Humphrey ProControl family, the PCD proportional valve driver. The PCD produces the appropriate current control, either constant current or PWM, to effectively drive any ProControl proportional valve upon receiving signal from a variety of data acquisition sources (ie PLCs, IoT, closed loop sensors, etc).
Ideally suited for product development, laboratories and production environments, the PCD is flexible and user friendly. The PCD features an LCD screen, scroll wheel and pushbutton parameter setting, and tool-less connectivity making set-up fast and easy. Pre-programming includes default settings for all Humphrey ProControl valves and a custom setting for unique application settings. Each PCD is shipped with installation instructions. Unlike competitive proportional valve drivers, the PCD is 100% programmable with fine setting control, no pots or switches to set, and capable of use with any proportional valve specified 1 amp or less with the “custom” setting. It accepts a variety of control signals, namely 0-5v, 0-10v or 4-20mA. Included is short circuit and reverse polarity protection.