Guangzhou Halcyon-Hydraulic Co. Ltd
                                                                                                           
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Komatsu PC300-7 & PC350-7 Excavator Hydraulic Control Valve Assembly 723-47-26105 - 6-Section Monoblock Design

Price Negotiable
Price: Negotiable
MOQ: 1 piece
Delivery Time: In Stock: 1-3 day(s); Out of Stock: Customization time depend on specific circumstances
Brand: HALCYON
Product Description
Komatsu PC300-7 & PC350-7 Excavator Hydraulic Control Valve Assembly
Komatsu PC300-7 and PC350-7 Excavator Hydraulic Control Valve Assembly
Product Overview
This high-performance hydraulic control valve assembly (Part No. 723-47-26105) serves as a direct replacement for Komatsu PC300-7 and PC350-7 excavators. The 6-section monoblock design ensures reliable operation and easy maintenance for demanding construction applications.
Structural Features
The main control valve features an integrally cast 6-section design that can be expanded with 1-3 additional auxiliary valve sections via bolt connections. The interconnected internal oil passages and compact construction facilitate straightforward maintenance procedures. Each valve section precisely controls the direction and speed of hydraulic cylinders or motors.
Working Principle
Using arm operation as an example:
  • Neutral Position: When the PPC valve is neutral, zero oil pressure at both ends of the main arm spool keeps it centered via spring force, blocking hydraulic flow and maintaining cylinder position.
  • Digging Operation: Moving the control lever to digging position activates PPC valve pressure to the spool's left end, overcoming spring force to shift the spool rightward. High-pressure oil then flows through opened passages, pushing past the pressure compensation valve into the cylinder's bottom chamber to extend the piston rod while returning oil from the upper chamber to the tank.
  • Speed Control: Increased lever travel results in larger main spool displacement, expanding oil passage opening area for higher flow rates and faster cylinder operation.
Komatsu excavator hydraulic control valve assembly detailed view Komatsu hydraulic control valve assembly installation diagram
Compatible Replacement Models
We provide perfect interchangeable replacements for major hydraulic brands. Contact us if your specific model isn't listed below.
Brand Name Model Numbers
Rexroth A10VSO10/18/28/45/60/63/71/85/100/140, A2F12/23/28/55/80/107/160/200/225/250/350/500/1000, A4VSO40/45/50/56/71/125/180/250/355/500/750/1000, A7VO28/55/80/107/160/200/250/355/500, A6VM28/55/80/107/140/160/200/250/355/500/1000, A7V12/28/55/80/107/160/200/225/250/355/500, A11V40/60/75/95/130/145/160/190/200/210/260, A10VG18/28/45/63, A4VG28/40/56/71/90/125/180/250, A15VSO175/210/280, AP2D25/36
Kawasaki K3V63/112/140/180/280DT, K3SP36/K7SP36/K7V63, K5V80/140/160/180/200, M2X22/45/55/63/96/120/128/146/150/170/210 SWING, M5X130/180 SWING, GM18/35VL/35VA
Komatsu HPV 90/95/132/140/165, PC30/40/45/60-3/5, PC60-7 PC200-3/5 PC220-6/7 PC200-6/7 PC300-6/7 PC360-7 PC400-7, PC200-6/7/8, PC360-7, SBS80/120/140 CAT312C/320C/325C
CAT CAT320 (AP-12), CAT12G/14G/16G/120G/140G, SPK10/10(E200B) SPV10/10(MS180)
Eaton EATON 3331/4621(4631)/5421 (5431)/6423/7620(7621), PVE19/21 TA19, PVH45/57/74/98/131/141
Toshiba PVB92, SG02/04/08/12/15/17/20/25 SWING
Nabtesco Travel GM03/05/06/07/08/09/10/17/18/20/23, GM03/05/06/07/08/09/10/17/18/20/23/24/28/35/38VL, GM35VA
Yuken A10/16/22/37/40/45/56/70/90/100/125/145/220
Parker PV16/20/23/28/32/40/46/63/80/92/140/180/270
Hitachi HPV091/102/116/118/145
Sauer PV90R30/42/55/75/100/130/180/250, PV20/21/22/23/24/25/26/27, MPV025/035/044/046 MPT025/035/044/046
Hydraulic control valve assembly technical specifications Excavator hydraulic valve assembly performance characteristics Hydraulic control valve assembly installation guide Komatsu hydraulic valve assembly quality certification Hydraulic control valve assembly testing procedures Excavator hydraulic valve assembly application examples Hydraulic control valve assembly manufacturing process
Frequently Asked Questions
Q1. Why choose us?
With over 20 years of hydraulic parts design experience and 14 years manufacturing piston pumps and motors, we operate modern production facilities with comprehensive testing equipment and strict quality management. We welcome ODM/OEM inquiries with high quality requirements.
Q2. Can I customize the product?
Absolutely. Customization services based on drawings or specifications represent our primary advantage over standard suppliers, supported by extensive technical expertise and mature production processes.
Q3. Can I have free samples?
Typically not, but negotiable depending on specific products and order volumes.
Q4. What's the delivery time?
10-60 days after payment, varying by product type and order quantity.
Q5. How to order?
Inquiry → Quotation → Negotiation → Samples → PO/PI → Down payment → Mass production → Quality inspection → Book space → Balance/Delivery → Further cooperation.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guangzhou Halcyon-Hydraulic Co. Ltd
Location Room 101, No. 1, Canghai Second Road, Economic And Technological Development Zone, Guangzhou, Guangdong, China
Contact Person Yoki

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