Precision pressure regulator LRP-1/4-0,7-EX4 Without pressure gauge, suitable for use in accordance with ATEX certification by Festo for zones 1, 2 and 21, 22. Size=50, Actuator lock=Rotary knob with lock, Assembly position=Any, Design structure=Piloted precision diaphragm regulator, Controller function=(* Output pressure constant, * with secondary exhaust)