| 公称尺寸Φd | ΦD | l | L | G" | 
|---|---|---|---|---|
| Φ20-1/4" | 20 | 16 | 16 | 1/4" | 
| Φ20-3/8" | 20 | 16 | 16 | 3/8" | 
| Φ20-M12 | 20 | 16 | 16 | M12*1.25 | 
| Φ20-M14 | 20 | 13 | 19 | M14*1.5 | 
| Φ25-M14 | 25 | 13 | 19 | M14*1.5 | 
| Φ25-1/2" | 25 | 20 | 20 | 1/2" | 
| Φ32-M20 | 32 | 14 | 22 | M20*1.5 | 
| Φ40-1" | 40 | 26 | 26 | 1" | 
| Φ40-3/8" | 40 | 26 | 26 | 3/8" | 
| Φ50-3/8" | 50 | 16 | 31 | 3/8" |