Lotus FDD 34 Hammer
Design Highlights
- Hammer to Drill a hole of dia 115-140 mm (4 1/2”– 5 1/2”).
- Lotus _FDD34 is a valve type hammer designed for high performance at low operating air pressures
- DHD340 bit has a strong robust design to withstand heavy duty application and it does not use foot valves which reduces the possibility of hammer failure
- Lotus _FDD34 Hammer maximizes energy output and reduces service requirements.
- Wear sleeve is not reversible.
- Single Start threads on Top sub and Drive sub ensure easy coupling/uncoupling of hammer.
- All critical internal components are heat treated under strict control to maximize tool longevity.
- An overall cost-effective and user friendly tool for use in the most demanding conditions.
Application: Construction & Quarry
| Size | NAME OF ITEM | QTY |
| 1 | TOP SUB (2 3/8” API REG PIN) | 1 NO |
| 2 | O RING FOR (TS, BV, BRR) | 5 NO |
| 3 | CHECK VALVE | 1 NO |
| 4 | SPRING | 1 NO |
| 5 | BUFFER RING | 1 NO |
| 6 | TOP SUB SPACER | 1 NO |
| 7 | TOP VALVE | 1 NO |
| 8 | O RING FOR TV, FV | 2 NO |
| 9 | FLAPPER VALVE | 1 NO |
| 10 | BOTTOM VALVE | 1 NO |
| 11 | LINER | 1 NO |
| 12 | WEAR SLEEVE | 1 NO |
| 13 | PISTON | 1 NO |
| 14 | PISTON RETAINER RING | 1 NO |
| 15 | GUIDE BUSH | 1 NO |
| 16 | BIT RETAINER RING | |
| 17 | COPPER SHIM | 1 NO |
| 18 | DRIVER SUB | 1 NO |
| SERVICE KIT S.NO 2,4, 5, 8 & 17 | 1 SET | |
| HAMMER ASSEMBLY | 1 NO | |
| HAMMER ASSEMBLY | 1 NO |
Hammer Specification
| S. NO | DESCRIPTION | UNIT | DIMENSIONS |
| 1 | HAMMER LENGTH W/O BIT | MM | 950.9 |
| 2 | HAMMER OUTSIDE DIA | MM | 100.0 |
| 3 | HAMMER WEIGHT | KG | 38.0 |
| 4 | CYLINDER BORE | MM | 82.0 |
| 5 | PISTON STROKE | MM | 80.0 APPROX |
| 6 | PISTON WEIGHT | KG | 8.8 |
| 7 | HOLE SIZES | MM | 115-140 |
| 8 | WRENCH SIZE A/F | MM | A/F 61.5 / W-40.0 |
| 9 | SUITABLE SHANK | — | DHD340 WITHOUT FOOT VALVE |