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  • Hydraulic Pilot Operated Cartridge Check Valve
  • Hydraulic Pilot Operated Cartridge Check Valve
  • Hydraulic Pilot Operated Cartridge Check Valve
  • Hydraulic Pilot Operated Cartridge Check Valve
  • Hydraulic Pilot Operated Cartridge Check Valve
  • Hydraulic Pilot Operated Cartridge Check Valve
  • PRODUCT DETAILS
  • FAQ
Specific Applications

·Hydraulic cylinder load holding
·Hydraulic locking circuits
·Hydraulic power units (HPUs)
·Hydraulic manifold blocks
·Construction and mining equipment
·Agricultural machinery
·Mobile hydraulic systems
·Industrial hydraulic control systems

Core Functions

Secure Load Holding
The Pilot Operated Check Valves provide reliable load holding by allowing free flow in one direction while preventing reverse flow until sufficient pilot pressure is applied. This helps improve hydraulic safety and prevents unintended actuator movement.

High Pressure Performance
Designed for demanding hydraulic applications, the valve supports a maximum operating pressure of 250 bar, making it suitable for hydraulic cylinders, lifting systems, and other load control circuits.

Low Internal Leakage
The poppet sealing structure limits internal leakage to a maximum of 3 drops per minute at 250 bar, helping maintain system pressure and improve load holding performance.

Optimized Pilot Control
The hydraulic cartridge check valve features a pilot ratio of 2.7:1, providing balanced pilot release characteristics for stable and reliable hydraulic operation.

Wide Operating Temperature Range
The pilot operated hydraulic check valve operates within a temperature range of -30°C to +120°C. For reliable long-term performance, hydraulic oil filtration of 20 μm or better is recommended.

The performance data above are based on Model XPC-08-30B.

Technical Specifications

Parameter

Specification

Product Name

Hydraulic Pilot Operated Cartridge Check Valve

Installation

Threaded Hydraulic Cartridge Valve

Representative Models

XPC-08-30B, XPC-08-30P, XPC-10-30P, XCKBB-XCN, XCKCB-XCN, XCKEB-XCN

Maximum Operating Pressure

250 bar*

Flow Capacity

See Pressure Drop vs. Flow Curve

Internal Leakage

Max. 3 drops/min at 250 bar*

Pilot Ratio

2.7:1*

Operating Temperature

-30°C to +120°C*

Recommended Oil Filtration

20 μm or better*

Cavity

08-3

*Performance data are based on Model XPC-08-30B. Specifications may vary depending on the selected model.


XPC-08-30B

Function Choice Part Number Cavity Flow(Ipm) Pressure(bar) Page
qnzqibiz1787049093 XPC-08-30B 08-3 18  250  B-15
XPC-08-30P 08-3 18  250  B-16
XPC-10-30P 10-3 22  250  B-17
thaefmye1787049106 XCKBB-XCN  T-163A 30  350  B-18
XCKCB-XCN T-11A 60  350  B-19
XCKEB-XCN T-2A 120  350  B-20
OEM / ODM Customization

We provide OEM and ODM services for pilot operated hydraulic cartridge valves used in industrial and mobile hydraulic systems.
·Thread and cavity customization
·Pilot ratio selection for specific applications
·Seal material options for different hydraulic fluids
·Custom laser marking and labeling
·Packaging customization
·Hydraulic manifold integration support
·Technical assistance for model selection and equivalent replacement

Purchasing Information

Item

Details

MOQ

Standard cartridge valves: 100 pcs/model; Custom manifold blocks: 30 pcs minimum. Small trial orders are accepted.

Lead Time

Stock valves: 2 weeks; Regular orders: 6–8 weeks; Custom products: about 8 weeks after drawing approval and deposit.

Payment Terms

30% T/T deposit, 70% balance before shipment. Sample orders require full payment. L/C is negotiable for long-term customers.

Trade Terms

FOB Ningbo by default. CIF quotations are available upon request.

Sample Policy

Stock samples are available. OEM/ODM samples can be produced based on drawings or samples.

OEM / ODM

Logo engraving, customized packaging, and product customization are supported.

Quality Assurance

Every valve is pressure-tested before shipment and covered by a 12-month warranty.

FAQ

1. What is a pilot operated check valve used for?
A pilot operated check valve is used to lock hydraulic loads while allowing controlled release through pilot pressure. It is commonly applied in hydraulic cylinders, lifting equipment, and load holding circuits.

2. Which models are available in this series?
Representative models include XPC-08-30B, XPC-08-30P, XPC-10-30P, XCKBB-XCN, XCKCB-XCN, and XCKEB-XCN. Additional models or configurations may be available depending on application requirements.

3. Are all models supplied with the same technical specifications?
No. The technical data shown on this page are based on Model XPC-08-30B. Pressure ratings, pilot ratio, cavity dimensions, and flow characteristics may vary depending on the selected model.

4. What is the pilot ratio of this valve?
The representative model XPC-08-30B has a pilot ratio of 2.7:1, providing stable pilot release performance for hydraulic load control applications.

5. How can I select the right Hydraulic Pilot Operated Cartridge Check Valve model?
Model selection depends on operating pressure, pilot ratio, cavity size, flow requirements, hydraulic circuit design, and installation conditions. Our engineering team can recommend the appropriate valve based on your application requirements.

Ningbo Stars Hydraulic Co., Ltd.

Founded in 2001, Ningbo Stars Hydraulic Co., Ltd. is a hydraulic valve manufacturer that upholds integrity and wins market recognition through superior quality and pragmatic craftsmanship. We introduced hydraulic valve technologies from Germany’s Rexroth and Japan’s Yuken series, and through years of dedicated research, digestion, absorption, modification and optimization, our products stand out in the market. Our valves sell well nationwide and are exported to overseas markets, earning praise and trust from numerous customers at home and abroad. Though compact in size, hydraulic valves deliver critical functions as indispensable core components enabling multi-functional and automatic operation of mechanical equipment. The quality of a hydraulic valve largely determines the overall operating performance of the entire machinery. Supported by national industrial policies, China’s machinery industry is striving to catch up with European and American counterparts to meet booming demands from agriculture, industry, construction, transportation, and land, sea and air defense sectors—this momentum has greatly boosted the domestic hydraulic industry. To embrace the new wave of machinery upgrading, our company has launched a new round of optimization and improvement for our valve products. Building on our existing valve manufacturing technologies and processes, and under the guidance of domestic and international industry experts as well as Taiwanese technical engineers, we have comprehensively upgraded product structures, internal workshop purification and precision of core components. We have implemented effective control over internal stress, thermal deformation, leakage and noise of valves. Every batch of raw materials, auxiliary parts, semi-finished and finished products undergoes rigorous item-by-item inspection. We have also strengthened full-process quality supervision, with zero tolerance for defective products leaving the factory, guaranteeing reliable and long-lasting product performance. Our after-sales service includes timely technical guidance and warranty support, plus follow-up tracking of product operating conditions throughout their service life. Product competition is essentially a contest of technology, workforce dedication, team competence and corporate management. More importantly, it hinges on the founder’s philosophy, integrity and service mindset. There is no end to pursuing premium quality. Committed to specialization, refinement, quality excellence and technological innovation, our company adheres to the manufacturing principle of “Better fewer than shoddy goods” and the service tenet of “Put ourselves in customers’ shoes”. Standing at a new developmental milestone, all staff at Stars sincerely seek cooperation with clients worldwide. We aim to build mutual trust and shared prosperity, and jointly create a brighter future for the hydraulic industry.

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