Summary of Contents for OFFICINE OROBICHE PL Series
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PL SERIES 1.INSTRUMENT DESCRIPTION Flow switches PL series are designed to be mounted in an upright position along horizontal pipes. These models are equipped with a tripping device, which can be equipped with single (SPDT) or double (DPDT) exchange contacts for high or low flow rate control and/or alarms.
OFFICINE OROBICHE S.p.A. 3. OPERATING PRINCIPLE To the paddle(1), which is soaked in the fluid, through a rod, a small piston (2) made from magnetic stainless steel is connected; this small piston is housed in a pit (3) made from non-magnetic material.
OFFICINE OROBICHE S.p.A. 5. SETTING AT WORK Make sure that the use of the instrument does not exceed the intended conditions of use (higher temperature and pressure values, lower flow rates) and that the applied electrical rating value complies with the rating plate values.
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OFFICINE OROBICHE S.p.A. 7.5 REPLACING THE UNIT AND/OR MICRO-SWITCH a - use a gauge to measure the position of the switch unit; b - disconnect the wires from the terminal board (make a note of the original connections) and remove the switch unit by loosening the screw (2);...
OFFICINE OROBICHE S.p.A. 9. DRAWINGS OF CASE WITH DIMENSIONS ELECTRICAL CONNECTIONS ∅ A CODE LIQUID TEMPERATURE ∅ -10÷+135 -11÷-80 1/2” NPT 1/2” NPT +136÷+250 3/4” NPT 3/4” NPT +251÷+400 1/2” UNI 6125 1/2” (GAS) ISO 228/1 3/4” UNI 6125 3/4” (GAS) ISO 228/1 ISO M20 x 1.5...
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OFFICINE OROBICHE S.p.A. WP CASE (WATER PROOF IP 66) 10. RECOMMENDED SPARE PARTS (*) When ordering spare parts, always indicate the instrument’s serial number. You can find it on the ratings plate on the case (see Pos.9) and has 5 digits preceded by the letter “F” (e.g.: F45678).
Officine Orobiche may not be held liable for any improper use of its products where these are used for ends other than those indicated in the specifications forming part of the order.