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E-mail
sales2@handelsen.cn
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Phone
15801397840
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Address
B-1707, 17th Floor, No. 222 Wangjing Xiyuan, Chaoyang District, Beijing
Beijing Handasen Machinery Technology Co., Ltd
sales2@handelsen.cn
15801397840
B-1707, 17th Floor, No. 222 Wangjing Xiyuan, Chaoyang District, Beijing
In the maintenance of imported loaders, excavators and other construction machinery, "shaft mismatch" and "port thread mismatch" are common problems for maintenance engineers - for example, the original pump of an imported loader uses an H-shaped tapered shaft, while domestic pumps are mostly B-shaped straight shafts that cannot be directly replaced. The Roquet 1L05DH09S gear pump, with its H-shaped tapered shaft, S-shaped UNF port, and 09 type front end cover design, can accurately adapt to imported equipment and become a "fitting tool" for maintenance and replacement.
| Parameter category< | Specific numerical values< | Highlights of imported equipment adaptation |
|---|---|---|
| model | Roquet 1L05DH09S 2028V | 1=No pulley, 5=1500RPM flow rate 5L/min, H=H-shaped shaft, 09=09 type front end cover |
| displacement | 3.3 cm³/rev(0.20 in³/rev) | Consistent with the original pump displacement of imported loaders (such as Caterpillar 906H) |
| Flow rate (1500RPM) | 5 L/min(1.32 US.GPM) | Match the flow requirements of imported equipment steering and lifting systems |
| Continuous pressure | 240 bar(3480 PSI) | Meet the high pressure requirements of hydraulic systems for imported excavators |
| Intermittent pressure (5 seconds) | 275 bar(3990 PSI) | Adapt to the peak pressure at the moment of lifting heavy objects |
| Drive shaft type (H-type) | Taper 1:8, key 3.18x3.18x15.3, shaft diameter Ø 12.7 ⁻⁰ ⁰³⁻⁰. ⁰¹⁵mm | Conical coupling directly adapted to imported equipment, no processing required |
| Front end cover type (Type 09) | The installation hole spacing is 82.6mm, and the positioning hole is 50.8 ⁺⁰₋₀ ₀₅mm | Match the size of the imported equipment base without modifying the installation holes |
| Port type (S-type) | Inhalation 3/4 '-16 UNF, pressure 9/16' -18 UNF | Compliant with ISO 11926-1, suitable for imported equipment with UNF threaded pipelines |
| Operating Temperature | -20℃~+80℃ | Adapt to harsh environments such as mining areas and construction sites |
| weight | 1.55 kg | Consistent with the weight of the imported original pump to avoid equipment weight imbalance |

The core requirements for imported construction machinery maintenance are "fast adaptation" and "consistent performance". The Roquet 1L05DH09S 2028V meets these requirements through three major design advantages:
1. H-axis precise adaptation, avoiding secondary processingMost imported equipment (such as the Volvo L120H loader) uses H-type tapered shafts, while domestic pumps mostly use B-type straight shafts. During maintenance, the shaft type needs to be cut, which not only takes about 6 hours but may also cause loose fit between the shaft and coupling due to insufficient accuracy. The H-shaped shaft of Roquet 1L05DH09S 2028V is manufactured according to imported standards, with a taper of 1:8 and a shaft diameter accuracy of Ø 12.7 ⁻⁰ ⁰³⁻⁰. ⁰¹⁵ mm, can be directly matched with equipment couplings, installed without looseness or noise, with a transmission efficiency of over 98%.
2. S-shaped NFT port, compatible with imported pipelinesImported equipment commonly uses UNF threaded ports (such as John Deere excavators), while domestic pumps are mostly BSP threaded, requiring the replacement of the entire pipeline system during maintenance, which is costly and time-consuming. The S-port of Roquet 1L05DH09S 2028V adopts a 3/4 '-16 UNFPA (suction) and 9/16' -18 UNFPA (pressure) design, which complies with ISO 11926-1 standard and can directly connect to the original pipeline of imported equipment without the need to replace fittings, reducing maintenance costs by 60%.
3. 09 type front end cover, matched with imported baseThe installation hole spacing and positioning hole size of the front end cover of imported equipment differ greatly from those of domestic pumps - for example, the installation hole spacing of the front end cover of an imported excavator is 82.6mm, while the front end cover of the domestic 01 type is only 64mm, which cannot be directly installed. The installation hole distance of the 09 type front end cover of Roquet 1L05DH09S 2028V is 82.6mm, and the positioning hole is 50.8 ⁺⁰₋₀ ₀₅ mm, matched with imported equipment base, no welding or drilling modification required, installation time shortened from 12 hours to 3 hours.
Precautions for use① The drive connection should use an elastic coupling to ensure that the radial/axial runout is ≤ 0.1mm, avoiding taper wear caused by vibration on the H-shaped shaft; ② The suction pipe should be made of steel pipe with an inner diameter of ≥ 20mm to ensure a pressure drop of<0.3bar and prevent cavitation; ③ The oil must comply with the ISO 6743 HM standard, with a viscosity of 20-80cSt (at 50 ℃), and the hydraulic system needs to be flushed before use, with a cleanliness of 19/16 (ISO 4406).
Service GuaranteeRoquet provides a 12-month warranty for 1L05DH09S 2028V, as well as specialized maintenance spare parts (such as H-shafts and S-port seals), with a distribution network in 35 countries for fast supply. If the imported equipment model is special, Roquet's technical department can provide "one-on-one" adaptation consultation to ensure 100% compatibility between the pump body and the equipment.
For maintenance engineers, the appearance of Roquet 1L05DH09S 2028V has solved the problem of expensive imported pump spare parts and long lead times - its price is only 60% of the original imported pump, the delivery cycle is shortened to 7 days, and equipment operation can be quickly restored. For equipment procurement managers, reserving this model can reduce the inventory pressure of imported equipment spare parts, lower operating costs, and is a high-quality choice for imported construction machinery maintenance.