- Non-spring return. - On/Off, floating and modulating.
- IP66 enclosure.
- Manual override with external crank.
- Optional auxiliary switch available.
The Bray DG SeriesGlobe Valves provide stable and accurate control of both water, 50/50 glycol and steam , in heat exchangers, fan coil units, VAV reheat coils, and air handling units up to 900 GPM. These globe valves feature rangability of greater than 100:1 to provide precise control. Two way standard trim valves provide an equal percentage flow characteristic for use with hot water and chilled water. Two way stainless trim valves are recommended for steam applications. 3-way mixing valves provide a linear flow characteristic.
All DG series globe valves feature a cartridge style packing, which is easily replaceable while the valve is in-line. Constant plug guiding and precision-machined metal to metal seating assures ANSI Class IV shutoff (.01%) which provides low leakage and efficient operation.
The Bray GA(S) series is a direct mount line of linear motor actuators to be used primarily on PIC and globe valves. The patented drive-valve coupling allows the drive to be connected to the valve automatically as soon as the power is applied to the actuator. An external crank handle enables the desired position to be set manually as well. Microprocessor technology enables the actuator to identify the functions required and to adapt itself automatically to the control valve properties.
These actuators operate on 24V AC or DC, and all input signals- 0-10V or 4-20mA modulating output, or On/Off (2-point) or Floating (3-point) control. The actuator automatically detects the control signal applied via a 2 LED display. These actuators operate both 2 and 3-way valves and are available in non-spring return (GA) and spring return (GAS) versions.
The GA(S) series is bi-directional, selectable via screw terminals.
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