Double Pilot Operated Check Valve for Hydraulic System
The hydraulic lock is used in the hydraulic systems such as the outrigger circuit of construction machinery and lifting machinery, the self-locking of the press and the locking of the support wall jack in the mine.
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 |
A hydraulic lock usually consists of two hydraulically controlled check valves that can be interlocked to allow the cylinder to remain stationary in the absence of an external control signal.
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.
Shandong Yikaide Hydraulic Co., Ltd. is a reputable manufacturer authorized to import and export high-quality hydraulic cylinders. We ensure timely delivery: stock items are shipped within 5-10 days, while non-stock items require 30-40 days. Our commitment to reliability and punctuality ensures that your projects stay on schedule.
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.
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