Shandong Shengyue Technology Development Co.,Ltd is one of the most professional HOWO Dump Truck Proportional Control Valve Hydraulic Lifting Valve 14750667H suitable for HOWO 371 howo 336 manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
HOWO Dump Truck Proportional Control Valve Hydraulic Lifting Valve 14750667H suitable for HOWO 371 howo 336
Installed below the dashboard in the cab or on the passenger side, it uses pneumatic control (air pressure) + manual lever/handle to control the lifting, holding, and dropping of the truck bed.
Function
1. Manual Control of Truck Bed Lifting/Lowering: Installed below the dashboard in the cab or on the passenger side, the truck bed is raised, stopped, and lowered by pulling/pushing the handle. The stop position usually has a self-locking device to effectively prevent accidental lowering of the bed due to misoperation, ensuring safe and reliable operation.
2. Proportional Adjustment of Lowering Speed: Employing a proportional control design, different pulling amplitudes or forces allow for precise fine-tuning of the airflow during lowering, thereby controlling the lowering speed of the hydraulic cylinder. This avoids the bed falling too quickly or too slowly, resulting in low unloading efficiency. Smooth control is also achieved during lifting, making it particularly suitable for unloading heavy loads or uneven road surfaces.
3. Pneumatic-Driven Hydraulic System: Utilizing the vehicle's pneumatic system as a power source, the system controls the hydraulic multi-way valve or directly drives the hydraulic cylinder's oil flow by switching the airflow direction via valves, enabling convenient lifting operations without additional electric/mechanical power. It is energy-efficient, has a fast response time, and a simple structure.
4. Safe and Precise Operation: The handle has clear positions, requires minimal operating force, and is lightweight and flexible; the built-in anti-reverse/balancing function prevents the truck bed from accidentally falling back during lifting; the proportional adjustment during descent ensures smooth unloading, reducing the risk of cargo tipping impact, hydraulic system overload, or vehicle tilting. It meets the safety operation standards for dump trucks, improving unloading efficiency and driver safety.
DETAILS
| DESCRIPTION | Control Valve Hydraulic Lifting Valve | PART NUMBER | 14750667H |
| WEIGHT |
1KG |
VOLUME |
150 mm × 100 mm × 50 mm |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | COUNTRY OF ORIGIN | CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | Hydraulic |
Common problems: Prolonged use, dust contamination, or moisture in the air system can cause valve core sticking, handle loosening, uneven lifting/lowering, air leaks, and the vehicle compartment failing to maintain its position or lowering too quickly/too slowly. Symptoms include weak lifting, vehicle compartment shaking, abnormal noises, or inability to lower. It is recommended to regularly check and clean the air system, lubricate the handle, and replace the seals annually or depending on usage.
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