719212 Gear Pump Fit DOOSAN Excavator SOLAR 220LC-V SOLAR 220LL SOLAR 225LC-V SOLAR 225LL

• Application

Excavator SOLAR 220LC-V SOLAR 220LL SOLAR 225LC-V SOLAR 225

A gear pump is a type of positive displacement pump commonly used in hydraulic systems. Its main function is to generate fluid flow by trapping and displacing a fixed amount of fluid with each revolution of its gears. Here's an overview of the function of a gear pump in a hydraulic system:

Positive Displacement: Gear pumps are positive displacement pumps, meaning they move a fixed volume of fluid for each revolution of the gears. This characteristic makes them suitable for applications where a consistent and predictable flow of fluid is required.

Basic Design: A gear pump typically consists of two gears, known as the driving gear (connected to the prime mover) and the driven gear. These gears rotate within a housing, creating chambers that trap and move the fluid.

Fluid Movement: As the gears rotate, fluid is drawn into the pump through the inlet port. The rotating gears then create a sealed chamber, trapping the fluid within. As the gears continue to rotate, the trapped fluid is forced out through the outlet port.

Direction of Flow: The direction of fluid flow can be reversible by changing the direction of rotation of the gears. This makes gear pumps versatile and adaptable to different hydraulic system requirements.

Smooth Flow: Gear pumps generally provide a relatively smooth and pulsation-free flow, which is beneficial in applications where precise control of fluid delivery is necessary.

Suitability for High Pressure: Gear pumps can handle high-pressure applications, making them suitable for various hydraulic systems where pressure requirements are significant.

Compact Design: Gear pumps are often compact and lightweight, making them easy to install and integrate into hydraulic systems with limited space.

Low to Moderate Efficiency: While gear pumps are generally reliable, their efficiency may not be as high as some other pump types. However, advancements in design and materials have improved their overall performance.

• Catalog parts list

  Pos.	Part No	Qty	Parts name	Comments
  *.	1518AKT	[1]	SEAL KIT;GEAR PUMP
  -.	716214	[1]	PUMP;GEAR
  -.	719212	[1]	PUMP;GEAR
  307	130421	[1]	POPPET
  307	136300	[1]	POPPET
  308	130388	[1]	SEAT
  308	136301	[1]	SEAT
  309	130389	[1]	SEAT;SPRING
  309	139302	[1]	RING
  310	117400	[1]	SPRING
  311	130390	[1]	SCREW;ADJUSTING
  311	136299	[1]	SCREW;ADJUSTING
  312	130391	[1]	NUT;LOCK
  351	130908A	[1]	;GEAR
  351	136298	[1]	;GEAR
  353	131028	[1]	GEAR;DRIVE
  354	131030	[1]	GEAR;DRIVEN
  355	129640	[1]	FILTER
  361	130396	[1]	;FRONT
  361	130395A	[1]	;FRONT
  433	130400	[2]	BOLT;SOCKET
  434	130402	[2]	BOLT;SOCKET
  435	130399	[4]	BOLT;SOCKET
  466	108844	[1]	PLUG;VP	OVP14
  700	129642	[1]	RING
  710	204452	[1]	O-RING 1BG95
  725	206598	[1]	O-RING 1BP11
  732	201706	[1]	O-RING 1BP16	OORBP16
  850	202596	[1]	RING;SNAP

  

• Description

Hydraulic pumps and valves are designed precisely to work in a hydraulic system to meet the prime product requirements for machine performance, reliability, durability, operating costs and productivity.
 

• Advantage

• Warranty

1. Warranty Period: 3 Months' warranty from the date of arrival. Longer period of 6 months' warranty could be offered with higher price level.
 
2. Warranty type: replacement of the parts that have quality problem.
 
3. Warranty is not valid for below s
* Cutomer give wrong information about the order
* Force Majeure
* Wrong installation and operation
* Rust because of wrong stock & maintenance
 

• Packing & Delivery

* Strong carton or wooden box for gear components. Wooden box for gearbox assembly
* Delivery methods: By Sea, By air to local internation airport, By express like DHL TNT FEDEX