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708-2L-31114 7082L31114 excavator PC128-8UU hydraulic main pump
PRODUCT DESCRIPTION
Model: 708-2L-31114 7082L31114 excavator PC128-8UU hydraulic main pump
TQTQCATegory: Hydraulic Pump
Brand: KOMATSU
Place of Origin:Other Country
Condition: Original & Oem
Warranty: 12 months
MOQ: 1 pcs
Production Capacity: 1000pcs /Month
Standard or Nonstandard: Standard
Payment Term: L/C,T/T, Western Union, Tradeassurance
Delivery Time: 1-3 days (depend on order)
Means of Transport: By Sea, Air or DHL/FEDEX/TNT/EMS
Guarantee: We will check and send detailed pictures to buyers for confirmation
Commonly used types of hydraulic pumps:
1. According to whether the flow rate can be adjusted, it can be divided into: variable pump and fixed pump. The output flow can be adjusted according to needs is called a variable pump, and the flow cannot be adjusted is called a fixed pump.
2. According to the commonly used pump structures in hydraulic systems, they are divided into three types: gear pump, vane pump and plunger pump.
Gear pump: smaller in size, simpler in structure, less demanding on oil cleanliness, and cheaper in price; however, the pump shaft is subject to unbalanced forces, severe wear, and large leakage.
Vane pump: divided into double-acting vane pump and single-acting vane pump. This kind of pump has uniform flow, smooth operation, low noise, higher operating pressure and volumetric efficiency than the gear pump, and the structure is more complex than the gear pump.
Piston pump: has high volumetric efficiency, small leakage, can work under high pressure, and is mostly used in high-power hydraulic systems; but it has a complex structure, high requirements for materials and processing accuracy, is expensive, and requires high oil cleanliness.
Generally, a plunger pump is used when the gear pump and vane pump cannot meet the requirements. There are some other forms of hydraulic pumps, such as screw pumps, etc., but their appliTQions are not as common as the above three.
Introduction to Guangzhou Tieqi Construction Machinery Company
Founded in 2010 and headquartered in Guangzhou, China, Guangzhou Tieqi Construction Machinery Co., Ltd. is an integrated manufacturing and trading company specializing in hydraulic system components for construction and mining machiner...
Introduction to Guangzhou Tieqi Construction Machinery Company
Founded in 2010 and headquartered in Guangzhou, China, Guangzhou Tieqi Construction Machinery Co., Ltd. is an integrated manufacturing and trading company specializing in hydraulic system components for construction and mining machiner...