494 Parker Hannifin Corporation Fluid Control Solutions Europe General Catalogue FCSE/0112/UK V2.2 07/2022 TECHNICAL VOCABULARY USED IN TABLES The basic technical features of each solenoid valve are indicated in the tables, the terminology used is shown and explained below. Please notice that in certain sections you will have the choice between two product ranges: Parker valves, within blue tables and the Parker valves, within orange tables. Actuation: The mechanical method used to control the flow. Body: Main part of the solenoid valve with the ports, seats and orifice needed. Function: The way the valve operates when de-energised. Port Size: Fitting dimensions are defined as threaded in inches (G), in BSP or Sub-base, when a flat interface for ports is adopted. Orifice (mm): Main orifice diameter in millimetres (nominal diameter). Flow Factors: Define the quantity of water which flows through the solenoid valve with a pressure drop of 1 bar during one minute. Expressed in l/min and m3/h. Max Fluid Temperature: Maximum fluid temperature the valve can withstand. Max Ambient Temperature: Maximum ambient temperature the valve can withstand typical value for pressure vessel is 50°C. Minimum Operating Pressure Differential: The lowest differential pressure required for operation (bar). Maximum Operating The highest working differential pressure with 90% of the rated voltage Pressure Differential (-10% Vn) applied to the solenoid coil (for AC) and 95% of the rated (MOPD): voltage (-5% Vn)(for DC). Actuation Body Function Port Size Orifice (mm) Flow Factor Kv(l/min) MOPD (bar) Max Fluid Temp. (°C) NORMALLY CLOSED Port size Orifice Ø Flow factors Operating Pressure Differential Fluid Temp. Seat Seal Parker Valves Power Coil Group Dwg. No. Valve Ref. Housing Ref. Coil Ref. Min Max(MOPD) Min Max BSP mm Kv l/min KV m3/h Qn l/min bar AC bar DC bar °C °C AC W DC W TECHNICAL INFORMATION
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