AMF Catalogue Hydraulic clamping systems Page 11
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hand pump No. 6902 Hand Pump max. operating pressure 1st stage 50 bar, max. operating pressure 2nd stage 700 bar. Weight Article no. Displacement per stroke 1st stage [cm³] Displacement per stroke 2nd stage [cm³] Q usable [cm³] max. hand lever force [N] A B 61937 6902-7 20 1 300 350 320 275 6,0 61945 6902-8 20 2 1000 320 620 575 8,1 Order no. [Kg] Design: Lightweight two-speed hand-pump. Low hand force required at max. operating pressure. Pump housing from malleable cast iron, oil reservoir from aluminium. With pressure relief valve, factory set at max. pressure of 700 bar. Hand pump complete with oil fill. Oil supply via threaded port. Application: Typical applications for the hand-pump are e.g. small clamping fixtures with irregular use, testing fixtures or for repair jobs. Please note, in case of a pressure drop the hand-pump is not capable of automatically maintaining system pressure. Note: Can be operated in horizontal position or vertical position with head facing downwards. Before putting in to operation open combined reservoir vent-and-relief cap. Care for proper air bleeding of connected hydraulic components. Special pumps for different fluids and pressure ratings are available upon request. Hydraulic diagram: oil fill pressure connection return release valve Subject to technical alterations. ANDREAS MAIER GmbH & Co. kg ∙ Phone: +49 711 5766-196 ∙ Web: www.amf.de Hydraulic clamping systems 11
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