Characteristics The pressure relief valve series RE*T have a proportional solenoid operated pilot stage with integrated electronics and a cartridge main stage. Features Pilot-operated pressure relief valve On-board electronics Min/max option Ramp adjustment Very low pressure adjustment of pmin pressure stages 2 interfaces: - subplate mounting acc. to DIN 230-D10-2 - slip-in, installation hole acc. to DIN ISO 7368 Slip-in valve RE*E*T Subplate valve RE*M*T -57
Ordering Code RE T N 1 0 Proportional pressure limiting valve Nominal size Interface Pressure stages On-board Pilot electronics Poppet spring Seal Normaly open Special equipment Electronic design Electronic attachments Design series Code 25 NG25 Interface M subplate 16 NG16 25 NG25 32 NG32 Interface E 0 NG0 slip-in 50 NG50 63 NG63 Code M E Nominal size / Mounting Interface Subplate (DIN 230-D10-2) Slip in (hole DIN ISO 7368) Code Pressure stages 10 up to 105bar 17 up to 175bar 25 up to 250bar 35 up to 350bar Code Special equipment omit without M Mechanical press. protection Code F G Code N V Electronic design Voltage input 0...+10V with reference output +10V Current input 0...20mA Pilot oil Code Pilot Drain 1 internal external 1) internal internal 1) only interface M Seals NBR FPM -58
Technical Data General Nominal size 25 16 25 32 0 50 63 Interface Subplate mounting Slip-in mounting DIN 230-D10-2 hole acc. to DIN ISO 7368 Mounting position as desired, horizontal mounting prefered Ambient temperature [ C] -20...+80 Weight [kg] 6.3 2.2 3.5.9 8.0 13.7 22.8 Hydraulics Operating pressure [bar] Ports A and X up to 350, connection B and Y depressurized, solenoid up to 210 Pressure stages [bar] 105, 175, 250, 350 Nominal flow [l/min] 00 220 500 950 100 2300 000 Pressure medium Hydraulic oil according to DIN 5152... 525 Viscosity, recommended [mm²/s] 30... 50 maximum [mm²/s] 20... 380 Pressure medium temperature recommended [ C] 30... 50 maximum [ C] -20... +70 Permitted contamination NAS 1638 class 9, to achieve with β10 = 75 Linearity [%] ±2.8 Repeatability [%] <±1 Hysteresis [%] ±1.5 of pmax Manufacturing tolerance [%] ±2.5 of pmax Electrical (prop. solenoid) Duty cycle [%] 100 ED Protection class IP5 at DIN 0050 (plugged and mounted) Supply voltage [V] 1.5...30 Ripple in supply voltage [%] max. 5 Current consumption [A] 2.8 Ambient temperature [ C] -20...+80 Input range voltage input [V] 0...+10 max. / 10kOhm current input [ma] 0...+20 / 500Ohm Adjustment range of ramp time [s] 0...5 Installation cross-section min. 1mm² shielded Cable length [m] max. 50 Plug connector No. 500072; 6pole + PE / connector DIN 53563 / cableø 8...10mm -59
Electronics Block diagram of the electronics Connector wiring diagram -60
Characteristic Curves Command/pressure curve p/q curves p/q curves -61
Dimensions RE*E*T Size H b 1 d 1 d 2 t 2 NG16 177 79 1) 32 25 56 NG25 122 85 5 3 72 NG32 127 102 60 5 85 NG0 137 125 75 55 105 NG50 172 10 90 68 122 NG63 187 180 120 90 155 1) width 65mm NG NBR FPM 16 BK1 x M8x50 33Nm SK-RE16E SK-RE16EV 25 BK391 x M12x50 115Nm SK-RE25E SK-RE25EV 32 BK15 x M16x55 281Nm SK-RE32E SK-RE32EV 0 BK16 x M20x70 553Nm SK-RE0E SK-RE0EV 50 BK17 x M20x75 553Nm SK-RE50E SK-RE50EV 63 BK18 x M30x100 1910Nm SK-RE63E SK-RE63EV -62
Dimensions Mounting dimensions RE*E*W Surface finish: 1 = R max 16, 2 = R 8 max NG b1 d1 H7 d2 H7 d3 d3 max d d max* d5 max d6 d7 H13 m1±0.2 m2±0.2 m3±0.2 16 65 32 25 16 18 16 25 M 8 6 25 23 25 85 5 3 25 25,5 25 32 6 M 12 6 58 33 29 32 102 60 5 32 36 32 0 8 M 16 6 70 1 35 0 125 75 55 0 3 0 50 10 M 20 6 85 50 2,5 50 10 90 68 50 56 50 63 10 M 20 8 100 58 50 63 180 120 90 63 7 63 80 12 M 30 8 125 75 62,5 NG m±0.2 t1+0.1 t2+0.1 t3 t t max* t15 t6 t7 t8 t10 U W 16 10,5 3 56 11 3 29,5 20 20 2 2 10 0,03 0,05 25 16 58 72 12 0,5 30 25 2,5 2,5 10 0,03 0,05 32 17 70 85 13 52 8,0 30 35 2,5 2,5 10 0,03 0,1 0 23 87 105 15 6 59,0 30 5 3 3 10 0,05 0,1 50 30 100 122 17 72 65,5 35 5 3 10 0,05 0,1 63 38 130 155 20 95 86,5 0 65 10 0,05 0,2 * only with c max and t max -63
Dimensions RE*M*T NG NBR FPM 25 BK388 x M10x0 65Nm SK-RE25M SK-RE25MV Mounting pattern DIN 230-D10-2 -6