• Inline Check Valve
  • Inline Check Valve
  • Inline Check Valve
  • Inline Check Valve
  • PRODUCT DETAILS
  • FAQ
Specific Applications

·Hydraulic power units (HPUs)
·Industrial hydraulic systems
·Hydraulic cylinders and actuators
·Machine tools
·Automation equipment
·Construction machinery
·Hydraulic manifold systems
·Mobile hydraulic equipment

Core Functions

One-Way Flow Control
The Inline Check Valve allows hydraulic oil to flow in the required direction while blocking reverse flow, helping maintain stable hydraulic circuit operation.

Hydraulic System Protection
The valve helps prevent backflow caused by pressure changes, protecting hydraulic components and improving system reliability in various industrial applications.

High Pressure Performance
Based on Model CRG-03, the valve supports a maximum pressure of 250 bar and a maximum flow rate of 60 L/min (7.93 gpm), making it suitable for medium-flow hydraulic systems.

Compact Inline Installation
The inline structure allows flexible installation in hydraulic pipelines and helps simplify system layout.

Stable Long-Term Operation
The check mechanism is designed for reliable opening and closing performance, supporting continuous operation in industrial hydraulic environments.

Technical Specifications
Model Number Maximum Pressure(bar) Maximum Flow Rate
(Ipm)
Weight
(kg)
CRG-03 250(3571 psi) 60(7.93gpm) 2.2 
CRG-06 125(33.56gpm) 3.8 
CRG-10 250(66.04gpm) 8.2 

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OEM / ODM Customization

We provide OEM and ODM services for hydraulic check valves to meet different system requirements.
·Valve size customization
·Port connection customization
·Pressure rating adjustment
·Seal material selection
·Product marking and logo customization
·Customized packaging
·Hydraulic system application support

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 an inline check valve used for?
An inline check valve is used to control hydraulic oil flow direction, allowing flow in one direction while preventing reverse flow in hydraulic systems.

2. What models are available for this series?
Representative models include CRG-03, CRG-06, and CRG-10, which are available for different hydraulic flow requirements.

3. What are the pressure and flow capabilities of this valve?
Based on Model CRG-03, the maximum operating pressure is 250 bar and the maximum flow rate is 60 L/min (7.93 gpm).

4. Where can this valve be installed?
The valve is designed for inline hydraulic installation and can be integrated into hydraulic pipelines, power units, and industrial hydraulic circuits.

5. How can I choose the right Inline Check Valve model?
Selection depends on operating pressure, required flow rate, connection requirements, and hydraulic circuit design. The appropriate Inline Check Valve model should be selected according to the actual application conditions.

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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