规格型号 |
适用管径(in) |
最大载荷(tons) |
DD/150 |
2.3/8-5.1/2 |
150 |
DD/200 |
2.3/8-5.1/2 |
200 |
DD/250 |
2.3/8-5.1/2 |
250 |
DD/350 |
2.3/8-5.1/2 |
350 |