High-Performance Double Pilot Check Valve for Hydraulic Applications
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Product Highlights
- High Pressure Capacity: Maximum pressure up to 320 Bar for demanding hydraulic applications.
- Bidirectional Flow Control: Two-way type design allows flexible bidirectional oil flow control.
- Durable Cast Steel Material: Constructed from high-strength cast steel for long-lasting performance.
- Comprehensive Warranty: Includes a 1-year warranty covering mechanical defects.
- Fast After-Sales Support: Dedicated team provides prompt replies and technical assistance.
- CE and ISO Certified: Meets CE and ISO9001:2000 standards for quality and safety.
- Flexible Customization: Offers OEM/ODM services with customization from samples or designs.
Product Attributes
- Customization
- Available
- After-sales Service
- Reply as Soon as Possible
- Warranty
- 1 Year
- Model NO.
- SO-K8L-J7
- Type
- Hydraulic Fittings
- Application
- Excavator
- Certification
- CE, ISO9001: 2000
- Condition
- New
- Packing Way
- Carton+ Wooden Box
- Maximum Pressure
- 320 Bar
- Channel Position
- Two-Way Type
- Applicable Temperature
- -20°C-90°C
- Operating Temperature
- Normal Temperature
- Flow Direction
- Bidirectional
- Material
- Cast Steel
- Transport Package
- Wooden Box
- Specification
- 30 L/Min
- Trademark
- YiKDE
- Origin
- China
- HS Code
- 8481201090
- Production Capacity
- 20000 PCS Each Year
- Package Size
- 26.00cm * 17.00cm * 31.00cm
- Package Gross Weight
- 2.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of High-Performance Double Pilot Check Valve for Hydraulic Applications
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Product Description
In order to make the working mechanism stop at any position and not move under the influence of external load, the hydraulic lock is used to form the locking system.
| Type | Max Pressure | Max Flow |
| SO-K8B-1 | 320bar | 40L/min |
| SO-K8L-J7 | 320bar | 30L/min |
| SO-K6B-3 | 320bar | 10L/min |
| SO-K6B-5 | 320bar | 10L/min |
When the system pressure is higher than the set value, the hydraulic lock opens, allowing the oil to flow and the actuator to move.
When the system pressure is lower than the set value or there is no control signal, the hydraulic lock closes, preventing the flow of oil and keeping the actuator stationary.

Samples can be requested, subject to change. For payments, orders under $1000 require 100% advance payment, while orders over $1000 require 30% advance payment via T/T, with the remaining balance payable before shipment. This flexible payment structure ensures ease and convenience for our valued customers.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASI245376". Items marked "" are certified.
Company Profile
Shandong Yikaide Hydraulic Co., Ltd. is located in Jining, Shandong, which is known as the "hometown of Confucius and Mencius and the land of etiquette". It is a professional technical enterprise that integrates the research and development, manufacturing, sales, and service of hydraulic components.
The company covers an area of approximately 20, 000 square meters, with a high-tech factory building of 10, 000 square meters, more than 80 high-precision processing equipment, more than 20 precision testing instruments, and more than 20 product testing equipment. The company has 33 national patents and has been awarded the titles of "National High tech Enterprise", "Provincial Specialized, Refined, and New Enterprise", and "Jining City One Enterprise, One Technology Research and Development Center Enterprise", and has passed the IS09001 quality system certification.
Our main products include rotary joints, multi-way directional valves, balance valves, solenoid valves, manual pumps, synchronous valves, etc. Hydraulic products are widely used in industries such as engineering machinery, mining machinery, special walking machinery and agricultural and forestry machinery. Our products are selling well in countries such as Europe, America, Southeast Asia, and Russia.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No.2998.Yihua Road Tangcun Town, Zoucheng City, Jining, Shandong, China
-
Plant Area
- 13333 square meters
-
Number of Employees
- 96
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month, 1-3 months
Off Season Lead Time: one month -
Nearest Port
- Ningbo Port
-
Minimum Order Quantity
- 1
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
-
Main Products
- Hydraulic valve
-
Production Lines
- 6
-
Production Machines
- Machining center
-
QA/QC inspectors
- 4 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Samples, Customization from Designs, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 6 people
-
Traceability of Raw Materials
- No
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2013-05-23
-
Export Year
- 3 years
-
Main Markets
- North America, Europe
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
FAQ
- What is the maximum pressure rating?
- The valve supports a maximum pressure of 320 Bar.
- What is the warranty period?
- We provide a 1-year warranty for this product.
- How long does it take to ship stock items?
- Stock items are shipped within 5-10 days.
- What are the payment terms for orders over $1000?
- Orders over $1000 require 30% advance payment via T/T, with the balance payable before shipment.
- Can I customize the valve based on my design?
- Yes, we offer flexible customization from samples and designs, including OEM and ODM services.
- What certifications does the product have?
- The product is certified with CE and ISO9001:2000.
- What is the minimum order quantity?
- The minimum order quantity is 1 unit.
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