Proportional Pressure Relief Valve Series RE*T

Transcription

1 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-D slip-in, installation hole acc. to DIN ISO 7368 Slip-in valve RE*E*T Subplate valve RE*M*T -57

2 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 V with reference output +10V Current input mA Pilot oil Code Pilot Drain 1 internal external 1) internal internal 1) only interface M Seals NBR FPM -58

3 Technical Data General Nominal size 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] Weight [kg] 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] Pressure medium Hydraulic oil according to DIN Viscosity, recommended [mm²/s] maximum [mm²/s] Pressure medium temperature recommended [ C] maximum [ C] 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] Ripple in supply voltage [%] max. 5 Current consumption [A] 2.8 Ambient temperature [ C] Input range voltage input [V] max. / 10kOhm current input [ma] / 500Ohm Adjustment range of ramp time [s] Installation cross-section min. 1mm² shielded Cable length [m] max. 50 Plug connector No ; 6pole + PE / connector DIN / cableø mm -59

4 Electronics Block diagram of the electronics Connector wiring diagram -60

5 Characteristic Curves Command/pressure curve p/q curves p/q curves -61

6 Dimensions RE*E*T Size H b 1 d 1 d 2 t 2 NG ) NG NG NG NG NG ) 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 M30x Nm SK-RE63E SK-RE63EV -62

7 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± M , M M M , M M ,5 NG m±0.2 t1+0.1 t2+0.1 t3 t t max* t15 t6 t7 t8 t10 U W 16 10, , ,03 0, , ,5 2,5 10 0,03 0, , ,5 2,5 10 0,03 0, , ,05 0, , ,05 0, , ,05 0,2 * only with c max and t max -63

8 Dimensions RE*M*T NG NBR FPM 25 BK388 x M10x0 65Nm SK-RE25M SK-RE25MV Mounting pattern DIN 230-D