TORQUE VERSUS HYDRAULIC PRESSURE
The graph* shows a linear relationship between pressure and torque. It also highlights that at a given pressure, holding torque is higher than driving torque.
*The graph represents SM82 Torque vs. Pressure. Other actuators’ graphs scale similar.
MODEL SPECIFICATIONS
| MODEL | SM45 | SM82 | SM150 |
|---|---|---|---|
| Rotation | 180° | 180° | 180° |
| Maximum Drive Torque, in-lbs. | 4,500 | 8,200 | 15,000 |
| Maximum Holding Torque, in-lbs. | 11,800 | 21,000 | 38,720 |
| Maximum Straddle Moment, in-lbs. | 22,500 | 40,000 | 90,000 |
| Maximum Cantilever Moment, in-lbs. | 12,000 | 22,000 | 48,000 |
| Mounting | Foot, Custom | Foot, Custom | Foot, Custom |
| Radial Capacity, lbs. (kg) | 3,050 (1,383) | 4,700 (2,132) | 9,230 (4,187) |
| Axial Capacity, lbs. (kg) | 1,100 (499) | 1,500 (680) | 2,200 (998) |
| Approximate Weight, lbs. (kg) | 27 (12.2) | 37 (17) | 63 (28.6) |
| Approximate Displacement 180°, in³ (cm³) | 8.0 (132) | 14 (233) | 26 (426) |
| Threaded Mounting Hole, Shaft Flange, In, Deep (Metric, Deep) | 3/8 – 16 ↧ 0.54 (M10 x 1.5 ↧ 15.2) | 3/8 – 16 ↧ 0.54 (M10 x 1.5 ↧ 15.2) | 1/2 – 13 ↧ 0.75 (M12 x 1.75 ↧ 19.1) |
| Quantity of Mounting Hole, Shaft Flange | 6 | 8 | 8 |
| Bolt Circle Diameter, Shaft Flange, in. (mm) | 2.125 (54) | 2.625 (65) | 3.375 (85) |
| Clearance Hole for Shaft Through – Bolt, in. (mm) | 3/4 through (M20 through) | 1 through (M24 through) | 1 through (M24 through) |
| Housing Foot Clearance Hole, Required Bolt Size, in. (mm) | 5/8 (M16) | 3/4 (M20) | 1 (M24) |
| P1, P2 Ports, Housing, inch (metric) / V1, V2 Ports, Valve, in. (mm) | ISO-11926/SAE Series of ports. Sizes are 7/16. (ISO-1179-1/BSPP ‘G’ Series of ports. Available upon special request.) | ISO-11926/SAE Series of ports. Sizes are 7/16. (ISO-1179-1/BSPP ‘G’ Series of ports. Available upon special request.) | ISO-11926/SAE Series of ports. Sizes are 7/16. (ISO-1179-1/BSPP ‘G’ Series of ports. Available upon special request.) |
