This product is a hydraulic cylinder developed through the digestion and absorption of advanced domestic and international technologies, with installation dimensions conforming to the German SMS Company’s SN806 standard. This series features superior performance and high reliability, and is widely used in heavy machinery, metallurgy, and mining equipment, as well as in other industries.
MODEL INSTRUCTION
| ZQ | -D | /d | 3s | □ | -□ |
| Code: Hydraulic cylinder conforming to standard JB/ZQ4395-86 (nominal pressure: ≤25 MPa) | Bore（mm) | Piston rod diameter（mm) | Itinerary（mm) | Itinerary | Working Medium |
| S1：Rear-mounted joint bearing installation | (hydraulic oil) | ||||
| S2：Rear-mounted sliding bearing installation | S：(hydraulic oil) | ||||
| B1：Head-swinging | R：Emulsion | ||||
| B2：Center-swinging | |||||
| B3：Center-swinging | |||||
| G：Tripod-mounted | |||||
| F1：Fixed Head Flange | |||||
| F2：Fixed-type tail flange |
TECHNICAL FEATURE
Exhaust valves (to expel air from the cylinder), check valves (for rapid start-up), and cushioning valves (to adjust cushioning speed) are installed at both the head end and the rod end of the cylinder.
SPECIFICATION
| Bore Diameter D | Speed Ratio ψ | Rod diameter d | Rod diameter d | Tensile Force (kN) | Maximum Allowable Stroke | |||||
| Type S1 S2 | Type B1 | Type B2 | Type B3 | G F1 Type | Type F2 | |||||
| 40 | 1.4 | 22 | 31.42 | 21.91 | 40 | 200 | 135 | 80 | 450 | 120 |
| 2 | 28 | 16.02 | 225 | 500 | 380 | 280 | 965 | 380 | ||
| 50 | 1.4 | 28 | 49.09 | 33.69 | 140 | 400 | 265 | 180 | 740 | 265 |
| 2 | 36 | 23.64 | 335 | 600 | 530 | 350 | 1295 | 545 | ||
| 63 | 1.4 | 36 | 77.93 | 52.48 | 210 | 550 | 375 | 250 | 990 | 375 |
| 2 | 45 | 38.17 | 435 | 800 | 670 | 400 | 1615 | 690 | ||
| 80 | 1.4 | 45 | 125.66 | 85.9 | 280 | 700 | 480 | 320 | 1235 | 505 |
| 2 | 56 | 64.09 | 545 | 1000 | 835 | 500 | 1990 | 885 | ||
| 100 | 1.4 | 56 | 196.35 | 134.77 | 360 | 900 | 600 | 400 | 1520 | 610 |
| 2 | 70 | 100.14 | 695 | 1300 | 1050 | 650 | 2480 | 1095 | ||
| 125 | 1.4 | 70 | 306.8 | 210.59 | 465 | 1100 | 760 | 550 | 1915 | 785 |
| 2 | 90 | 147.75 | 960 | 2200 | 1415 | 1000 | 3310 | 1480 | ||
| 140 | 1.4 | 80 | 384.85 | 259.18 | 550 | 1400 | 900 | 630 | 2200 | 900 |
| 1.6 | 90 | 225.8 | 800 | 1800 | 1210 | 800 | 2905 | 1260 | ||
| 2 | 100 | 188.5 | 1055 | 2200 | 1560 | 1100 | 3640 | 1630 | ||
| 160 | 1.4 | 90 | 502.66 | 343.61 | 630 | 1400 | 1000 | 700 | 2500 | 1000 |
| 1.6 | 100 | 306.31 | 840 | 2000 | 1295 | 900 | 3120 | 1350 | ||
| 2 | 110 | 265.07 | 1095 | 2500 | 1630 | 1100 | 3835 | 1705 | ||
| 200 | 1.4 | 110 | 785.4 | 547.82 | 700 | 1800 | 1100 | 800 | 2800 | 1250 |
| 1.6 | 125 | 478.6 | 1065 | 2200 | 1625 | 1100 | 3890 | 1700 | ||
| 2 | 140 | 400.55 | 1445 | 3200 | 2135 | 1400 | 4975 | 2240 | ||
| 220 | 1.4 | 125 | 950.3 | 643.54 | 800 | 2200 | 1400 | 1000 | 3600 | 1400 |
| 1.6 | 140 | 565.49 | 1205 | 2800 | 1850 | 1250 | 4440 | 1930 | ||
| 2 | 160 | 447.68 | 1730 | 3600 | 2550 | 1800 | 5920 | 2675 | ||
| 250 | 1.4 | 140 | 1227.19 | 842.34 | 900 | 2200 | 1400 | 1100 | 3600 | 1600 |
| 1.6 | 160 | 724.52 | 1445 | 3200 | 1850 | 1600 | 5155 | 2280 | ||
| 2 | 180 | 591.01 | 1965 | 4000 | 2550 | 2000 | 6630 | 3020 | ||
| 280 | 1.4 | 160 | 1539.38 | 1036.73 | 1100 | 2500 | 1800 | 1250 | 4000 | 1950 |
| 1.6 | 180 | 903.21 | 1600 | 3400 | 2460 | 1790 | 5825 | 2575 | ||
| 2 | 200 | 753.98 | 2100 | 4000 | 3155 | 2100 | 7305 | 3310 | ||
| 320 | 1.4 | 180 | 2010.62 | 1374.45 | 1250 | 2800 | 2000 | 1400 | 5000 | 2000 |
| 1.6 | 200 | 1225.22 | 1710 | 3600 | 2600 | 1800 | 6205 | 2730 | ||
| 2 | 220 | 1060.29 | 2215 | 4000 | 3270 | 2200 | 7635 | 3445 | ||
| Note: The maximum stroke listed in the table is determined under conditions of a safety factor of 3.5 and a nominal pressure of 25 MPa. | ||||||||||
APPLICATION AREA
Industries such as heavy machinery, metallurgy, and mining machinery.
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