This filter regulator (FR) combines two functions. The filter removes water, dirt and other harmful particles larger than 5 microns. The pressure regulator adjusts the pressure continuously to a stable level, even when the input pressure varies. The level can be adjusted between 0.1 to 3.0 bar (1 to 44 psi). This model has G 3/4 inch ports. The maximum flow rate is 12000 l/min. Please note that the maximum flow rate alone doesn’t provide enough information to proper sizing. Use the flow curve to determine if the pressure drop (droop) within your expected flow rate range is acceptable. The flow curve shows the flow rate for a set input pressure with multiple output pressures. For each output pressure, it can be seen how the pressure changes with increasing flow rate. It is recommended to use the device in the flat range of the curve, and not on the beginning or the end of the curve. Note that the pressure regulator controls the output pressure, not the flow rate. The output pressure can be adjusted by pulling the hand wheel up and twisting. It can be locked after adjustment by pushing the hand wheel back in.
The maximum input pressure is 16.0 bar (232 psi) and the temperature range is between -10 and 60 °C (14 and 140 °F). It has a semi-auto condensate drain with a drain capacity of 87 cm3. Semi-auto means that it drains as soon as the airline is depressurized, however it can also be drained manually. There is a built-in pressure relief valve on the outlet side when the set pressure is exceeded. The housing material is made out of zinc die-cast and the filter has a bowl made of polycarbonate (PC).
Mounting brackets need to be ordered separately.
Specifications
Connection size : 3/4 inch
Max flow rate (l/min) : 12000
Adjustment range (bar) : 0.1 bar to 3 bar
Scale division (pressure) : 0 – 4 bar
Max. pressure difference at 20 °C (bar) : 16
Filter size (µm) : 5
Material : Zinc die-cast
Condensate drain type : Semi-auto
Min pressure (bar) : 1.5
Connection type : Inner thread cylindrical BSPP-G
Model : Multifix 4
With pressure gauge : Yes
Operation : Hand wheel
Self relieving : Yes
Min temperature (°C) : -10
Max temperature (°C) : 60
Height (mm) : 315
Length (mm) : 85
Lockable : Yes
Container material : Polycarbonate (PC)
Drain capacity (cm³) : 87
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