Freatures:

A wide range of highly adaptable control devices with different control and regulating functions,
For all important applications.

The high-pressure relief valves also function as boost valves.
The integrated boost pump acts as a feed pump and control pressure supply.
The maximum boost pressure is limited by a built-in low-pressure relief valve.

• Brand: HITACHI / Hitachi
• Model: 330
• Whether variable: variable
• hydraulic pump impeller
• Quantity: other processing
• Customization: Processing customization
• Nominal displacement: 1mL/h
• Rated pressure: 1Mpa
• Nominal diameter: 1mm
• Input power: 1kw
• Output power: 2kw
• Rated speed: 1000r/min

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Beijing Jietaihongli Technology Co., Ltd., founded in 2004, headquartered in Beijing, branch factory in Shouguang, Shandong. The company is mainly engaged in the production and sales of rotary piling kelly bars , drilling tools, rotary piling rig overhaul, rig sales and accessories supply.

Beijing Jietai Haoli Technology Development Co., Ltd. is one comprehensive enterprise that produces and sells rotary drilling kelly bars ,drilling tools,piling rigs spares and piling rig maintenance.The company established in 2004. The founder has been engaged in after-sales service of drilling rigs and kelly bars such as IMT, SOIMEC, BAWER, and MAIT before the establishment of the company. During this period he accumulated rich experience in kelly bar manufacture and maintenance.The company focused on the research, development and production of kelly bars after establishment. The main kelly bars produced include frictional kelly bars ,interlocking kelly bars and square kelly bars.