6通径叠加式液压锁2RJV1-06(320bar,60L).pdf

HA 5021 Pilot operated check valves 2RJV1-06 1/2003 sandwich plates Size 06 pmax up to 320 bar Qmax up to 60 L/min Replaces HA 5021 8/2001 Sandwich plate design for use in vertical stacking assemblies Three models: - leakfree closure in lines A and B - leakfree closure in line A - leakfree closure in line B Installation dimensions to ISO 4401-AB-03-4-A and DIN 24 340-A6 Functional Description Model 2RJV1-06 are pilot operated check valves in a the directional valve into its middle position), the springs sandwich plate design used to give leakfree closure of push the poppets onto the seats and the circuit between one or two actuator ports under pressure, even during the check valve and the cylinder is closed. long idle periods. To ensure that the poppet valves seat properly, the They basically consist of the cast iron housing (1), one or actuator ports A2 and B2 of the directional valve should two check valves (2), (3) and the pilot piston (4). be connected to tank T in neutral position (functional When fluid flows from A1 (B1) to A2 (B2) it opens the symbol Y). check valve (2), (3) and at the same time shifts the pilot The basic surface treatment of the valve body is piston (4) to the right (left), thus opening the way B2 B1 phosphate coated, whereas the surfaces of the other (A2 A1). When the pressure drops (e. g. after shifting parts are zinc coated. A 1 B1