Product classification
Address: Industrial Zone 2, Yangting Town, Huancui District, Weihai City
BQ4 Piston Cylinder
The BQ4 series oil cylinder is a type of shaft output oil cylinder, which adds bearings based on the original structure, resulting in smaller starting torque and higher rotation accuracy.
Keyword:
hydralic rotary actuator
Classification:
BQ4 Series
Product Specification-1
Parameter Range
 | Standard Output Angle | 200, 220 degrees |
| Output Torque | 2800 -- 6700NM | |
| Holding Torque | 6100 -- 14300NM | |
| Cross-mounted Bending Moment Load | 4200 -- 10100NM | |
| Installation Method | Foot-mounted |
Product Parameters
| Model | 28 | 50 | 67 |
| Output Torque Nm@21MPA | 2800 | 5000 | 6700 |
| Holding Torque Nm@21MPA | 6100 | 10600 | 14300 |
| Rotation Angle | 220° | 220° | 200° |
| Maximum Bending Moment Nm for Cross-mounted Installation | 4200 | 7600 | 10100 |
| Radial Load kg | 2040 | 3130 | 3900 |
| Axial Load kg | 2040 | 3130 | 3900 |
| Displacement cc | 775 | 1360 | 1650 |
| Weight kg | 33.6 | 58 | 75 |
| D1 Installation Plate Diameter mm | 140 | 165 | 178 |
| D2 Spline Connector (Optional) Diameter mm | 80 | 89.9 | 98.3 |
| F1 Shaft End Spline Size | Metric Size, see drawings | ||
| F2 Shaft End Fixing Hole Specification (Both Ends) mm | M12*1.75 | M12*1.75 | M12*1.75 |
| F3 Foot Mounting Hole Bolt Specification mm | M16*2 | M20*2.5 | M22*2.5 |
| H1 Height Excluding Balance Valve mm | 150 | 176 | 203 |
| H2 Distance from Bottom Surface to Center Line Height mm | 73.2 | 83.9 | 102 |
| H3 Total Height mm | 173 | 196 | 220 |
| L1 Total Length, Including Connector mm | 431 | 561 | 608 |
| L2 Total Length, Excluding Connector mm | 417 | 546 | 579 |
| L3 Length Excluding Rotating Part mm | 335 | 422 | 445 |
| L4 Foot Mounting Hole Distance | 265 | 320 | 320 |
| L5 Distance from Shaft End Face to Mounting Hole mm | 75.1 | 113 | 130 |
| L6 Shaft Extension mm | 40.9 | 61.9 | 67.6 |
| L7 Spline Length mm | 20.6 | 40 | 49 |
| L8 Optional Spline Connector Length mm | 32.5 | 52.6 | 60.5 |
| W1 Foot Mounting Hole Width mm | 104 | 140 | 150 |
| W2 Total Width | 133 | 170 | 203 |
| P1 P2 Housing Oil Port | ISO-1179-1/BSPP 'G' Series, Sizes from 1/8 to 1/4, see drawings. | ||
| V1 V2 Valve Body Oil Port | ISO-11926/SAE Series, Size 7/16, see drawings. | ||
Product Application
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