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EX870 Hydraulic Control Valve Assy for Hitachi Excavator Spare Parts 4632971 Distributor OEM
EX870 Hydraulic Control Valve Assy for Hitachi Excavator Spare Parts 4632971 Distributor OEM
Product Overview
The control valve (also known as the main control valve or multi-valve block) is the central hydraulic control component in excavators. It consists of multiple parallel spools that precisely distribute high-pressure oil from the pump to actuators (e.g., hydraulic cylinders, motors) based on operational demands, enabling coordinated machine movements.
Specifications
Category
Excavator Hydraulic Parts
Model
EX870
Part Number
4632971
Package
Wooden Box
Application
Excavator
Product Attributes
Excavator Parts
Working Principle
Flow Distribution: Operator joystick or electronic signals shift valve spools, adjusting port openings to control oil flow rate and direction to each actuator.
Pressure Regulation: Integrated pressure compensators and overload relief valves maintain stable flow under varying loads while preventing pressure spikes.
Multi-circuit Coordination: Parallel spool design allows simultaneous operation of multiple actuators (e.g., boom lifting + arm retraction), with the system automatically splitting pump flow.
Product Images
#
Part No.
Description
Qty
4632971
VALVE; CONTROL (4/4)
1
16
4506418
. O-RING
1
27
4088425
. O-RING
2
39
0622810
. CAP
2
40
957366
. O-RING
2
61
0622858
. FLANGE
1
62
0197011
. O-RING
2
63
M341445
. BOLT; SOCKET
4
65
4509181
. O-RING
1
66
0818102
. CAP
1
67
0624703
. O-RING
1
69
0223104
. RING; BACK-UP
2
70
0622827
. SPRING
1
73
0101511
. BOLT
6
74
0189908
. WASHER
12
75
0838001
. CAP
3
76
0838002
. O-RING
9
77
0979221
. BOLT; SOCKET
6
84
0979223
. CAP
1
85
0979224
. O-RING
1
86
0979225
. SPRING
1
87
0979226
. SPOOL
1
88
0876801
. CAP
1
92
0703701
. CAP
1
93
0705401
. CHECK
1
95
4509180
. O-RING
1
101
0979231
. O-RING
1
108
0810709
. CAP
1
109
0979234
. BOLT; SOCKET
4
110
0979235
. COVER
1
112
0979237
. PISTON
1
113
0979238
. RING; BACK-UP
1
114
0979239
. SLEEVE
1
115
0979240
. RING; BACK-UP
1
116
4506320
. O-RING
1
117
0979241
. SPRING
1
118
0979242
. CAP
1
119
0979243
. POPPET
1
120
0622856
. SPRING
1
121
0622855
. POPPET
1
122
0979244
. CHECK
3
123
0810719
. SPRING
1
124
0979245
. GUIDE
2
125
0979246
. CAP
2
126
985099
. O-RING
2
127
0979247
. SPRING
1
128
0979248
. SPRING
1
129
0979249
. SPOOL
1
130
0979250
. SPOOL
1
131
0979251
. COVER
2
132
0979252
. BOLT; SOCKET
8
133
0979253
. SPRING
2
134
0979254
. PISTON
2
135
0686908
. CHECK
2
136
0979255
. POPPET
1
137
0979256
. POPPET
1
138
A811040
. O-RING
2
139
0979257
. SPRING
2
Our Advantages
Strong Part Number Database: If you can provide the right model and part number, we can supply the right product.
Professional and Experienced Salesperson: Our founder has been in this field for more than 7 years, with rich experiences.
Strict and Complete Company Rules: We will try our best to meet customer's delivery time. Before delivery, we must verify the part number or pictures of products one by one, to ensure customers receive high-quality and right-quantity goods.
Good Management System: No matter how big or small the order, as long as customers place the order, we will provide exporting service free of charge.
Good Service Attitude: If the customer has any questions about the product, we will help solve the problem immediately. As long as customers' requirements are reasonable, we will endeavor to make them satisfied.
SK60C
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Year Established:
2013
Total Annual:
20000-3000000
Employee Number:
50~93
Ecer Certification：
Verified Supplier
GZ Yuexiang Engineering Machinery Co., Ltd.
GZ Yuexiang Engineering Machinery Co., Ltd, is a foreign trade company integrating development, sales, procurement, warehousing, transportation and service. Founded in September 2013, we have more than twelve years of experience in machinery t... GZ Yuexiang Engineering Machinery Co., Ltd.
GZ Yuexiang Engineering Machinery Co., Ltd, is a foreign trade company integrating development, sales, procurement, warehousing, transportation and service. Founded in September 2013, we have more than twelve years of experience in machinery t...
