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ZT-12 Multiple Directional Valve
cissoko
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The ZT-12 is a medium-to-high-pressure monoblock directional control valve independently designed and developed by us. It can be configured with relief valves, check valves, and anti-cavitation valves according to customer requirements. The relief valve regulates system pressure, while the check valve prevents oil backflow; various spool functions (such as A, O, Y, and P types) are available and can be combined as needed. Two mounting orientations for the control handle facilitate operation from different directions. The valve utilizes a parallel oil circuit design and features a pressure outlet port to supply power to other hydraulic components. A specially designed sealing system ensures excellent sealing performance. This valve is widely used in the hydraulic systems of construction machinery, such as forklifts, sanitation vehicles, and compact loaders.
Zero Inter-Slice Leakage: The monoblock casting removes structural tie-rods or multi-plate joining seals, completely eliminating external fluid weeping under high machine vibrations.
Integrated Check Valve: Every spool section features an internal one-way load check valve to ensure hydraulic fluid never backflows during shifting, preventing load drift when multiple levers are toggled at once.
Internal Adjustable Relief Valve: A built-in primary overflow safety valve sits at the inlet section to safeguard the main gear pump against sudden system overloads.
Configurable Spool Profiles: Available with varied neutral mid-positions (O, Y, P, or A types) to suit different locking, motoring, or floating cylinder configurations.
| Nominal Pressure (MPa) | Max Pressure (MPa) | Nominal Flow (L/Min) | Allowable Back Pressure (MPa) | Temperature Range (℃) | Viscosity Range (mm²/s) | Filtration Accuracy (μm) |
|---|---|---|---|---|---|---|
| 16 | 31.5 | 50 | ≤1 | -20~80 | 10~400 | ≤10 |
Applications
Agricultural Machinery: Controls front-end loaders, wood splitters, 3-point hitches, and attachment positioning on compact and utility tractors.
Material Handling Equipment: Operates mast lifting, tilting, and clamping lines on small forklifts, electric stackers, and aerial work platforms.
Light Construction Equipment: Drives articulating arms, stabilizer legs, and leveling blades on mini-excavators, skid steers, and site dumpers.
Specialized Utility Vehicles: Manages small dump beds, tailgates, and sweeping attachments on mini sanitation trucks or landscaping vehicles.
ZT-12 Multiple Directional Valves are typically packaged securely to prevent damage during transit. The packaging includes:
Protective Wrapping: To safeguard the pump from environmental damage.
Custom Crates: For larger, heavier pumps, ensuring safe handling.
Documentation: Includes installation, maintenance instructions, and warranty details.
Delivery time depends on the model, customizations, and location but typically ranges from 2 to 6 weeks from the order date.
Answer: The "12" indicates a 12mm nominal internal core diameter/spool size. This physical sizing optimizes the valve body for a rated flow capacity of 40 L/min, making it perfect for smaller displacement gear pumps.
Answer: Yes. The ZT-12 series offers a highly modular dual-control option. You can attach mechanical manual levers on one side of the spool and pneumatic pilot end-caps on the other, allowing operators to run the machinery manually at the valve or remotely via cabin air lines.
Answer: Because the ZT-12 uses a parallel circuit profile, hydraulic fluid naturally seeks the path of least resistance. If you actuate a lightly loaded cylinder and a heavily loaded cylinder at the same time, the pump flow will prioritize the lighter load first until its stroke encounters high resistance.
Answer: Fluid creeping past the operating levers points to worn internal spool shaft O-rings or dust seals. This is often triggered by dirt accumulation or system oil running consistently above its rated temperature limit (-20°C to +80°C), which degrades the nitrile rubber seals.
Answer: Locate the hex bolt cap on the built-in relief valve near the main inlet P-port. Remove the cap, loosen the locknut, and turn the internal adjusting screw clockwise to step up the system pressure threshold. Always hook up a high-pressure calibration gauge to a work port and avoid exceeding the 25 MPa maximum safe limit.
Yes, we support OEM and customization, including nameplate, packaging, and specific performance requirements. Send us your drawings or specifications for evaluation.
ZT-12 Multiple Directional Valve are manufactured in compliance with international standards, ensuring high performance and reliability:
ISO 9001: Certified for quality management systems.
CE Certification: Ensures compliance with European safety, health, and environmental protection standards.
RoHS Compliance: Ensures the Valve does not contain hazardous materials.
Factory Testing: Every valve is rigorously tested for performance, pressure, and leak integrity before shipping.
1.What's our advantages?
Factory established in 2005;
With a great deal of production experience;
80+ employees become the professional team;
Constant updated ERP system ensure efficiency of work;
Sophisticated equipment ehanced the accuracy of products;
Professional salesmen provide the greast service;
With a large number of famous customers all over the world;
Great after-sales service;
With the long term cooperation with famous logistics and express company in China,provide the better goods service.
Small order/sample order,full payment in advance; Big orders send the first payment 30% before the production,and the balance before shippment.We'll show the photos of the products and packages before delivery.
Of course we can. Just send me your logo we can make it for you.
America(40.5%):USA, Canada, Argentina, Brazil
Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland.
Asia(23.5%):Korea,singapore,India,Turkey,Vietnam,Saudi Arabia,Syria, Israel,Lebanon.
Others(5.8%).
The Cissoko hydraulic pump manufacturing facility is a specialized industrial plant that focuses on producing hydraulic pumps and related components. These factories are equipped with advanced machinery and technology to fabricate high-quality pumps designed for a wide range of applications, from heavy equipment and machinery to automotive and industrial systems.
The production process typically involves precision engineering, where raw materials like metals and alloys are processed into pump components such as gears, pistons, cylinders, and seals. These parts are then assembled into fully functional hydraulic pumps, which are tested for performance and quality control to ensure reliability, efficiency, and durability under various working conditions.
Cissoko Hydraulic's manufacturing facilities for hydraulic pumps maintain stringent quality standards, often adhering to international certifications, to meet the expectations of customers in industries such as construction, agriculture, automotive, and manufacturing.
All hydraulic pumps produced by Cissoko Hydraulic have undergone compliance testing, ensuring their quality and reliability.
To meet the diverse needs of different industries, the Cissoko hydraulic offer customization options, such as specialized seals, materials, and pump configurations. These facilities often work closely with engineering teams to develop tailored solutions for specific applications, from high-pressure systems to low-flow, high-efficiency pumps.
Each pump undergoes a rigorous quality control process, where pressure tests and performance assessments are conducted to ensure that the pumps meet the required standards for flow rate, pressure capacity, and durability.
