JTPB-F4 Rings Sories Closed Four Wheels Pulley
| 名称 | 型号 | 额定起重量 | 实验载荷 | 外形尺寸 | 钢丝直径 | 勾口和环腔尺寸 | 净重 | ||||||||
| H | H1 | B | Lmax | Φ | 适用 | 最大 | D | O | R1 | R | |||||
| 玉田款 吊钩（链环）型闭口式四轮滑车 | Model | t | KN | mm | mm | kg | |||||||||
| HQD4-8 | 8 | 128 | 470 | - | 152 | 208 | 20 | 11 | 14 | - | - | - | 46 | 29 | |
| HQD4-10 | 10 | 160 | 540 | - | 176 | 240 | 24 | 12.5 | 15.5 | - | - | - | 52 | 31 | |
| HQD4-16 | 16 | 224 | 670 | - | 212 | 292 | 28 | 15.5 | 18.5 | - | - | - | 65 | 62.5 | |
| HQD4-20 | 20 | 280 | 735 | - | 236 | 304 | 32 | 17 | 20 | - | - | - | 65 | 86 | |
| HQD4-32 | 32 | 448 | 940 | - | 316 | 384 | 42 | 23 | 24.5 | - | - | - | 76 | 150 | |
| HQD4-50 | 50 | 700 | 1155 | - | 406 | 445 | 50 | 28 | 31 | - | - | - | 95 | 300 | |
