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6 Technical data Valid for all series Ambient conditions Temperature - 20 °C to + 80 °C Degree of protection IP 65 to DIN 40 050 Explosion protection (optionally) Hydraulic data II 2G EEx de IIB T4, Ta = - 20 ... + 60 °C Hydraulic fluid Mineral oil to DIN 51 524 Viscosity ISO VG 32 up to ISO VG 46 to DIN 51 519 Oil temperature Electric data + 10 °C up to + 65 °C (+ 60 °C for explosion-proof design) Supply voltage 24 VDC ± 15% Power consumption 1 A, max. 3 A für approx. 3 s max. Stroke set position 4 – 20 mA (for position 0% – 100%) Stroke remote indication 4 – 20 mA (for position 0% – 100%) Electro-magnetic compatibility Accuracies Basic specification EN 61 000-6-4 (emission), EN 61 000-6-2 (immunity to interference). Emission test radio interference radiation to EN 55 011 Group 1, Class A. Immunity test to EN 61 000-4-2, EN 61 000-4-3, EN 61 000-4-4, EN 61 000-4-6. Linearity ± 0.15% of maximum stroke Hysteresis 0.005% of maximum stroke Reproducibility 0.015% of maximum stroke Temperature drift 0.04% of maximum stroke / °C
Series SMRA 13xxx: Low-pressure; link joint at bottom Type SMRA SMRA SMRA 13001 13002 13004 1) Piston spindle stroke electronically adjustable from 50 – 100 %. 2) At nominal pressure. 3) All data without consideration of tolerances and friction. 4) Fail-safe position piston spindle deliverable also in reversed form. Design with deviating technical data possible upon request. Subject to technical modifications. SMRA 13401 SMRA 51xxx: Low-pressure; flanged version SMRA 51101 SMRA 51201 SMRA 51301 Mechanical data Piston / spindle diameter 152 /34.9 mm 203.2 / 44.5 mm 254.6 / 50.8 mm 304.8 / 63.5 mm 110 / 28 mm 160 / 28 mm 200 / 45 mm Maximum piston spindle stroke1) 105 mm 35 mm 203 mm 210 mm 90 mm Closing speed full stroke < 0.4 s < 0.6 s < 0.8 s < 0.3 s Opening speed full stroke2) < 2 s < 2 s Spring tension at piston spindle stroke 0 mm3) Double-acting operating cylinder, no retracting spring 1,500 N 3,000 N 5,000 N Spring tension at maximum piston spindle stroke3) Double-acting operating cylinder, no retracting spring 7,200 N 15,000 N 25,000 N Opening force at piston spindle stroke 0 mm2)3) Opening/(closing) force at maximum piston spindle stroke2)3) 13,700 N 25,900 N 40,500 N 55,800 N 13,100 N 28,000 N 42,680 N 14,500 N 24,700 N 38,900 N 58,300 N 7,400 N 16,000 N 22,680 N Fail-safe position piston spindle extended 4) retracted 4) extended 4) extended H x L x W [mm] 780 x 570 x 460 800 x 640 x 390 930 x 580 x 410 1080 x 715 x 410 810 x 262 x 320 810 x 385 x 360 990 x 220 x 395 Weight Hydraulic data 240 kg 310 kg 435 kg 520 kg 130 kg 200 kg 290 kg Nominal pressure 8 bar 16 bar Maximum pressure 16 bar 25 bar 7
Page 1 and 2: Servomotors Used for Driving Contro
Page 3 and 4: Voith Servomotors - Fields of Appli
Page 5: High-pressure series: pressure rang
Page 9 and 10: 9 Function Process controller Funct

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