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YB60000246 9298855 Hitachi 870-5g hydraulic pump HPK300 main pump

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YB60000246 9298855 Hitachi 870-5g hydraulic pump HPK300 main pump

Country/Region	china
City & Province	guangzhou
Categories	Bath & Toilet

Product Details

YB60000246 9298855 Hitachi 870-5g hydraulic pump HPK300 main pump

PRODUCT DESCRIPTION
Model:YB60000246 9298855 Hitachi 870-5g hydraulic pump HPK300 main pump	category: Hydraulic Pump
Brand: Hitachi	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

9298855 零件方案泵；单元

Parts on group PUMP;UNIT:
Pos.	Part No	Qty	Parts name
	9298855	[1]	PUMP;UNIT
1	4541	[1]	CASING;PUMP
3	2048195	[1]	SHAFT;DRIVE
4	488075	[2]	RING;RETAINING
5	4645955	[1]	SPACER
6	4440264	[1]	BRG.;ROL.
8	4472903	[1]	RING;RETAINING
10	1030551	[1]	PLATE
11	4343074	[2]	O-RING
12	4212842	[1]	PIN;KNOCK
13	4427347	[2]	PLUG
14	M341025	[4]	BOLT;SOCKET
16	3095197	[1]	PISTON;SERVO
18	1030456	[1]	PLATE;SWASH
19	4198956	[1]	PIN
20	4481827	[1]	PLATE;CAM
22	4473215	[1]	BUSHING;GUIDE
24	2050591	[1]	COVER
25	4632389	[1]	SEAL;OIL
26	4153552	[1]	O-RING
27	M340825	[4]	BOLT;SOCKET
29	8106487	[1]	ROTOR;GROUP
29A.		[1]	ROTOR
29B.		[1]	PLATE;VALVE
31	4452970	[1]	SPRING;DISC
32	3090660	[1]	BUSHING
34	3090648	[1]	RETAINER
36	8088402	[9]	PISTON
39	7287	[1]	BLOCK;PORT
41	4645945	[1]	RING
42	4472907	[1]	PIN;KNOCK
43	4472905	[1]	BRG.;NEEDLE
45	4409640	[1]	PIN;KNOCK
46	4626259	[1]	PIN
47	4436322	[2]	RING;BACK-UP
48	4180349	[2]	O-RING
50	4473983	[1]	O-RING
51	M342080	[6]	BOLT;SOCKET
52	J222020	[6]	WASHER
54	4473248	[1]	STOPPER
55	4196265	[1]	O-RING
56	4473249	[1]	STOPPER
57	4292386	[1]	O-RING
58	4427347	[2]	PLUG
59	M340825	[12]	BOLT;SOCKET
61	1030458	[1]	IMPELLER
62	2048157	[1]	COVER
63	4633509	[1]	O-RING
64	M341025	[6]	BOLT;SOCKET
66	3095201	[1]	LINK
67	4610111	[1]	LEVER
68	4116304	[1]	PIN;SPRING
69	4472909	[1]	PIN
70	4146370	[2]	RING;RETAINING
71	4200227	[1]	PIN
75	4515041	[2]	PIN;SPRING
76	4153537	[1]	O-RING
77	4180349	[3]	O-RING
80	4703324	[1]	SENSOR;PRES.
80A.	4365826	[1]	O-RING
81	4336165	[3]	PLUG
82	4366517	[3]	O-RING
84	4336166	[1]	PLUG
85	4297379	[1]	O-RING
87	4336169	[4]	PLUG
88	4153103	[4]	O-RING
90	4085511	[1]	PLUG
91	4297379	[1]	O-RING
100	YB00000857	[1]	KIT;SEAL

The hydraulic pump is the power component of the hydraulic system. It is driven by an engine or an electric motor. It sucks oil from the hydraulic tank, forms pressure oil, discharges it, and sends it to the actuator. Hydraulic pumps are divided into gear pumps, plunger pumps, vane pumps and screw pumps according to their structures.

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.

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