Double Pilot Operated Check Valve Hydraulic Accessory Hydraulic Lock with 30 L/Min
Hydraulic interlocks are essential safety mechanisms in hydraulic systems, serving various applications such as boom circuits in construction machinery, hoists, self-locking presses, and locking wall jacks in mining operations. Their versatile functionality ensures seamless operation across different sectors.
The primary function of hydraulic locks is to maintain a working mechanism in a stationary position, unaffected by external loads. By integrating hydraulic locks into the system, a dependable locking mechanism is created, guaranteeing stability and safety throughout the operation.
In construction equipment, hydraulic locks are commonly used in outrigger circuits to stabilize the machinery during lifting or other operations, preventing unwanted movement and ensuring worker safety. Similarly, in lifting equipment, these locks are crucial for securing the load at specific heights, thereby preventing accidental drops.
Overall, hydraulic locks are vital components within hydraulic systems, providing precise control and robust locking capabilities, ensuring the safety, stability, and efficiency of various industrial machinery and processes.
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 a trading company or manufacturer?
A: We are a manufacturer which has 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 are your terms of payment?
A: Payment less than 1000 USD,100% in advance.Payment of more than 1000 USD,30% T/T in advance, balance before shipment.