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14742101
Cissoko
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The 14742101 is a high-performance Hydraulic Burst Valve for Dump Trucks, specifically engineered as a critical safety component for hydraulic systems. This Dump Truck Safety Valve is designed to instantly block the hydraulic oil flow in the event of a sudden hose rupture or major leakage. This crucial function prevents the uncontrolled descent of lifting cylinders, thereby effectively avoiding catastrophic accidents and ensuring worksite safety. Featuring a modular and compact design, it is easy to install and is suitable for various medium and heavy-duty dump truck hydraulic systems, providing reliable protection for both personnel and equipment.
High-flow instantaneous trigger interlock: Designed specifically for large-displacement systems, with a standard flow rate of 250 liters/minute (250 L/min) . When the high-pressure hose ruptures unexpectedly and the hydraulic oil backflow rate in the cylinder reaches the critical value of 215 liters/minute (215 L/min) , the valve will close instantly, completely cutting off the oil flow.
Integrated dual pressure buffer structure: The valve body integrates a highly sensitive pressure relief valve . In the instant the main oil circuit suddenly closes, this pressure relief valve will open briefly to release the high pressure peak caused by inertia, and then close completely.
1" SAE cylinder end direct connection: Adopting a standard 1" SAE high-pressure flange interface , it can be seamlessly screwed onto the oil inlet of Hyva and compatible front top multi-section telescopic lifting cylinders.
System pressure calibration: The rated maximum working pressure is calibrated to 190 bar , which is designed for heavy-duty self-unloading cylinders of the 190 bar class.
| Parameter | Specification |
|---|---|
| Product Type | Line Explosion-proof Valve |
| Model Number | 14742101 |
| Rated Pressure | 25 MPa |
| Rated Flow | 220 L/min |
| Air Pressure Control | 0.6~1 MPa |
| Working Temperature | -20 to 80°C |
| Working Medium | Anti-wear hydraulic oil |
Applications
Heavy Wheel Loaders & Excavators: Used to split fluid from the main piston pump, prioritizing smooth hydraulic power steering lines while routing the remaining flow to drive heavy boom, arm, and bucket actions.
Complex Sanitation & Garbage Compactors: Coordinates multiple automated steps. It precisely distributes pump power so the vehicle can lift heavy trash containers smoothly while running high-pressure compaction blades at a controlled, uniform speed.
Large Mobile Mining & Drilling Rigs: Feeds high-pressure oil to auxiliary stabilizer jacks while maintaining steady, non-pulsating rotation fluid on the primary drill motor line.
Explosion-Proof Hydraulic Valve 14742101 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.
A: No manual disassembly is required; the system will automatically unlock by repressurizing the system circuit. After repairing or replacing the damaged high-pressure hose on-site and reconnecting it, turn the lifting pneumatic control handle in the cab to the "Tip" position and start the hydraulic pump. As long as the pump delivers fresh high-pressure oil to the inlet of the explosion-proof valve, making its pressure greater than the internal gravity oil pressure on the locked side of the cylinder, the explosion-proof valve will automatically reverse and unlock , allowing the truck bed to lower or raise normally.
A: Absolutely not. During normal operation, when the dump truck slowly lowers the pneumatic control lever in the cab, the return oil flow is strictly limited to the rated safety range. Only in the extreme case of a completely torn or severed oil hose , due to the loss of pipeline system resistance, will the gravity oil in the cylinder gush out at a high speed exceeding 215 L/min, precisely triggering the explosion-proof valve to lock. There is absolutely no risk of accidental activation during daily operation.
A: Absolutely not. It must be installed at the cylinder end. The core function of this valve is to prevent the cylinder from falling. If the explosion-proof valve is installed in the middle of the rubber hose or near the oil tank, it will be completely useless if the hose between the cylinder and the valve ruptures. Only by directly and firmly tightening a 1" SAE flange onto the steel oil inlet of the cylinder can comprehensive safety be ensured.
A: Hyva has perfectly solved this problem by integrating a pressure relief valve. In addition to the main locking structure, the 14742101 valve body also integrates a highly sensitive dual pressure buffer relief valve . In the instant the main oil circuit suddenly closes, this relief valve opens for a very short time, releasing the dangerous ultra-high pressure peak caused by the inertia of the fluid and the vehicle compartment, and then closes completely, locking the vehicle compartment while 100% protecting the expensive lifting cylinder from deformation or explosion due to high-pressure impact .
A: When purchasing, you must look for the official Hyva Item Code: 14742101 , and verify the 1" SAE high-pressure flange interface and the 190 bar rated pressure rating. Because this safety component is very mature in the cross-border heavy truck and aftermarket engineering modification supply chain, you can order it directly from Hyva or from domestic suppliers such as We seek high-performance, cost-effective replacement parts from manufacturers supplying hydraulic components for large and heavy vehicles, with factory-issued high-pressure impact resistance test reports.
Yes, we support OEM and customization, including nameplate, packaging, and specific performance requirements. Send us your drawings or specifications for evaluation.
Explosion-Proof Hydraulic Valve 14742101 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.
