AMF Catalogue Hydraulic clamping systems Page 266
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Valves No. 6918 Order no. Sequence Valve 6918-3 for O-ring connection, 6918-12 for O-ring connection, 6918-4 connection combination (pipeline), 6918-5 connection combination (pipeline). Static overload capacity ~1.5xp max. Weight OR-1 Article no. min. operating max. operating Q Direction Ambient ViscoO-ring sity of flow temp. pressure pressure [g] [cSt] Order No. [°C] [bar] [l/min] [bar] 66100 6918-3 30 500 20 P-A 326983 6918-12 16 160 20 P-A 320135 6918-4 30 500 20 P-A 320143 6918-5 30 500 20 P-A -40 - +80 10-500 173096 -40 - +80 10-500 173096 -40 - +80 10-500 173096 -40 - +80 10-500 173096 750 750 750 750 Design: Steel body, nitrided. Sealing nut galvanized. All functional components hardened and ground. For sequence valve 6918-3 and 6918-12, the oil is supplied via conduits drilled in the clamping device. The following valves are required for combining several sequence valves: 6918-3 inlet valve 6918-4 series valve 6918-5 end-of-line valve The oil is supplied via a threaded connection. Application: The pressure sequence valve is used in cases where another consumer is connected to the circuit after a set pressure has been reached. If several sequence valves are employed in the circuit, please note that the pressure in this circuit always adjusts to the last pressure stage. For this type, the switching pressure remains largely constant, regardless of the outflow pressure on the outlet side (cylinder side). Note: During disassembly of the pressure control valve, first loosen SW 24 then SW 22. Installation is carried out in reverse order with the specified tightening torque. Increasing the preload of the compression spring by turning the slotted screw results in a greater pressure difference between P and A. The fastening bolts are not supplied as standard. Application example: Hydraulic diagram: Preferably perform sequential control in parallel. pump CAD 6918-3 / 66100 6918-4 / 320135 6918-5 / 320143 Subject to technical alterations. 266 Hydraulic clamping systems ANDREAS MAIER GmbH & Co. kg ∙ Phone: +49 711 5766-196 ∙ Web: www.amf.de
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