Double Pilot Operated Hydraulic Accessory Check Valve
Our hydraulic lock is a crucial component in a wide range of hydraulic systems, offering unparalleled performance across various industries, including construction machinery, lifting apparatus, and mining equipment. This crucial component guarantees that any operational mechanism is securely held at the desired position, resisting shifts due to external loads and maintaining operational integrity.
In conclusion, the hydraulic lock is a fundamental component in a wide range of hydraulic systems. It provides stability, enhances safety and ensures uninterrupted reliability.
This essential feature guarantees that construction, mining and other industrial machinery operate with optimal efficiency and safety. With the confidence provided by the hydraulic lock, operators can manage their tasks with complete assurance, maintaining full control over their machines and ensuring seamless operations at all times.
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 |


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 20000 square meters, with a high-tech factory building of 10000 square meters, more than 80 high-precision processing equipment, more than 20 precision testing instruments, and more than 20 product testing and 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 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 Russia,Europe, America, Southeast and Asia.


Q1: Are you trading company or manufacture?
A: We are manufacture which have the right to import and export.
Q2: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock or it is 30-40 days if the goods are not in stock.
Q3: Do you provide samples? Is it free or extra?
A: We can provide samples,but not for free.
Q4: What is your terms of payment?
A: Payment less than 1000 USD,100% in advance.Payment more than 1000 USD,30% T/T in advance,balance before shipment.