China factories

Chat Now Send Email
China factory - GZ Yuexiang Engineering Machinery Co., Ltd.

GZ Yuexiang Engineering Machinery Co., Ltd.

  • China,Guangzhou ,Guangdong
  • Verified Supplier
  1. Home
  2. Products
  3. About Us
  4. Contact Us

Leave a Message

we will call you back quickly!

Submit Requirement
China EX450 Hydraulic Main Control Valve Assy for Hitachi Excavator Spare Parts
China EX450 Hydraulic Main Control Valve Assy for Hitachi Excavator Spare Parts

  1. China EX450 Hydraulic Main Control Valve Assy for Hitachi Excavator Spare Parts
  2. China EX450 Hydraulic Main Control Valve Assy for Hitachi Excavator Spare Parts
  3. China EX450 Hydraulic Main Control Valve Assy for Hitachi Excavator Spare Parts
  4. China EX450 Hydraulic Main Control Valve Assy for Hitachi Excavator Spare Parts
  5. China EX450 Hydraulic Main Control Valve Assy for Hitachi Excavator Spare Parts

EX450 Hydraulic Main Control Valve Assy for Hitachi Excavator Spare Parts

  1. MOQ: 1PCS
  2. Price: Negotiated price
  3. Get Latest Price
Payment Terms T/T, trade assurance,PayPal
Supply Ability 1000PCS
Delivery Time 1~7 days
Packaging Details Wooden CA1SE
Model EX450
Part Number 4434686 4632973
Product name Control valve assembly
Application Excavator
condition Original Brand Refurbished
Power Hydraulic parts
Warranty 6 months
Brand Name Belparts
Model Number EX450
Place of Origin china

View Detail Information

Inquiry by Email Get Latest Price
Chat online Now Ask for best deal
  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T, trade assurance,PayPal Supply Ability 1000PCS
Delivery Time 1~7 days Packaging Details Wooden CA1SE
Model EX450 Part Number 4434686 4632973
Product name Control valve assembly Application Excavator
condition Original Brand Refurbished Power Hydraulic parts
Warranty 6 months Brand Name Belparts
Model Number EX450 Place of Origin china
High Light Hitachi excavator hydraulic control valveEX450 main control valve assyOEM excavator spare parts valve
EX450 Hydraulic Main Control Valve Assy for Hitachi Excavator Spare Parts 4434686 4632973 Main Control Valve
EX450 Hydraulic Main Control Valve Assy for Hitachi Excavator Spare Parts 4434686 4632973 Main Control Valve
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 EX450
Part Number 4434686 4632973
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
  4434686 VALVE; CONTROL (1/5) 1
1 ---- . HOUSING 1
2 0818001 . PLUNGER 1
3 0818002 . PLUNGER 1
4 0818003 . PLUNGER 1
5 0818004 . PLUNGER 1
6 0622843 . VALVE 1
7 0622817 . CAP 1
8 0810405 . SPRING 1
9 4088425 . O-RING 4
10 0189803 . CHIP 2
11 0622816 . SPACER 1
12 0810406 . SPOOL 1
15 4469304 . VALVE; RELIEF 1
17 0622829 . CHECK 2
18 0622827 . SPRING 2
19 0622825 . CAP 1
20 0223104 . RING; BACK-UP 1
28 4506420 . O-RING 1
29 4027959 . RING; BACK-UP 6
30 0646203 . PLUG 1
31 0624703 . O-RING 1
32 0624702 . CAP 1
33 0622803 . COVER 3
34 0101616 . O-RING 8
35 0622805 . SLEEVE 4
36 0622806 . GUIDE 8
37 0622807 . SPIRNG 4
38 0622808 . CAP 4
39 0809705 . COVER 1
41 0622810 . CAP 1
42 957366 . O-RING 2
43 M341230 . BOLT; SOCKET 16
44 0622875 . PLUG 1
45 0818005 . COVER 1
46 0622877 . CAP 1
47 0166805 . RING; BACK-UP 1
48 4506412 . O-RING 1
66 4153108 . O-RING 5
68 0212416 . O-RING 1
72 4153098 . O-RING 1
73 4506418 . O-RING 1
74 0622871 . SEAT 1
75 0810407 . CAP 1
76 0622873 . BALL 1
77 4113187 . RING; BACK-UP 1
78 966689 . O-RING 1
105 0809734 . POPPET 1
106 0809735 . RING; BACK-UP 2
107 0809736 . O-RING 1
108 0809737 . SPRING 1
109 0809738 . SLEEVE 1
110 0809739 . O-RING 1
111 0212312 . RING; BACK-UP 1
112 0809740 . CAP 1
113 4153099 . O-RING 5
114 0809708 . SLEEVE 1
115 0809709 . NUT 1
116 0809710 . PISTON 1
117 0809711 . O-RING 1
118 0809712 . SEAT 1
119 0809713 . SPRING 1
120 0809714 . POPPET 1
121 0809715 . SLEEVE 1
122 0809716 . SCREW 1
123 0809717 . NUT 1
124 0809718 . CAP 1
125 0135206 . SPRING 1
126 0809719 . POPPET 1
127 4040813 . RING; BACK-UP 1
128 0809720 . O-RING 1
129 0809729 . PISTON 4
130 0809728 . POPPET 4
131 0809727 . SPRING 4
132 0809726 . O-RING 4
133 0809725 . RING; BACK-UP 8
134 0809724 . SPRING 4
135 0809723 . SLEEVE 4
136 0809722 . SEAT 4
137 0809721 . NUT 4
138 0809733 . POPPET 4
139 0809732 . SPRING 4
140 0809731 . O-RING 4
141 4153089 . O-RING 4
142 0809730 . SCREW 4
250 4469298 . VALVE; RELIEF 4

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.
 

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...

+ Read More

Get in touch with us

  • Reach Us
  • GZ Yuexiang Engineering Machinery Co., Ltd.
  • 429-432, No. 268 Zhongshan Avenue East, Huangpu District, Guangzhou,China
  • https://www.excavatorhydraulic-parts.com/

Leave a Message, we will call you back quickly!

Email

Check your email

Phone Number

Check your phone number

Requirement Details

Your message must be between 20-3,000 characters!

Submit Requirement