The QSF2-250L-60L-04 tipper truck lifting valve is engineered for speed and power. With a maximum working pressure of 315 bar and a primary flow rate of 250 L/min, it delivers the forceful and rapid lifting action essential for profitable operations in mining and large-scale construction. This high-pressure hydraulic control valve can reduce cycle times by over 20% compared to standard valves, directly translating into more loads moved per day. The integrated auxiliary valve provides additional control flexibility. For businesses where time is money, this valve is a proven productivity solution for heavy-duty dump trucks, ensuring your fleet operates at its peak efficiency and delivers a superior return on investment.
Engineered for global deployment, this Hydraulic Lifting Valve guarantees reliability from arctic cold to desert heat with its wide operating temperature range of -20°C to +80°C. Its construction, featuring specialized seals and lubricants, maintains integrity and precise control across this full spectrum, preventing temperature-related failures. This wide-temperature hydraulic valve also accommodates a broad oil viscosity range (12-100cSt), ensuring consistent performance despite seasonal or climatic changes. This rugged design makes it the definitive reliable hydraulic valve for mining trucks, drastically reducing weather-related downtime and ensuring your projects stay on schedule in the world's most challenging environments.
The QSF2-250L-60L-04 embodies modern engineering with its intelligent modular hydraulic valve design. This approach integrates the main and auxiliary functions into a single, compact block, drastically reducing the hydraulic system's complexity, potential leak points, and assembly time. For OEMs and fleet managers, this integrated hydraulic control block means easier installation, streamlined inventory, and simplified maintenance. The modularity also allows for future adaptability and easier servicing, turning what could be a complex repair into a straightforward module swap. This design philosophy directly addresses the core industry need for a low-maintenance hydraulic system for tipper trucks that maximizes uptime and reduces the total cost of ownership.
Confirm actual working flow from your hydraulic pump. The valve has a rated flow range of 60-250L/min; excessive flow will cause over‑heating, pressure loss and poor response. Too low flow will result in slow cylinder movement.
2. PTO Speed
Confirm PTO output speed. PTO drives the hydraulic pump; rotating speed directly affects pump output flow, which shall match the multi‑valve rated flow. Abnormal PTO speed leads to slow lifting or hydraulic overheating.
3. Valve Control Method
This unit supports manual lever control + pneumatic remote control. Please double‑check your requirement: whether you need both manual onsite operation and cab pneumatic remote control. If only single control mode is required, we can offer alternative configurations.
4. Air Supply Condition (for pneumatic function)
Confirm your vehicle air‑circuit working pressure. Standard pneumatic control requires stable compressed‑air supply. Insufficient air pressure will cause failure of remote valve shifting.
5. Tank Capacity & Return Line Condition
Check hydraulic tank volume and return pipeline size. Sufficient tank capacity guarantees oil heat dissipation. Return line shall not be restricted, to avoid back‑pressure damage to valve internal components.
6. Mounting Space & Installation Dimension
Measure available installation space on chassis. This hand‑air integrated valve assembly takes extra space for the pneumatic manifold block. Confirm mounting hole layout, port thread specification and hose fitting space to avoid installation interference.
7. Number of Working Sections
Confirm how many hydraulic functions you need to control. This sample shows 3‑section version; we support custom section quantity according to your working cylinders.
8. Port Thread Standard
Specify thread standard: Metric / BSP / NPT. Wrong thread will lead to assembly failure and oil leakage.
9. Application Working Condition
Inform us of your equipment type (dump truck / garbage truck / crane etc.), typical load and working cycle. We can give further optimization suggestion for your whole hydraulic kit.
FAQ
Q: Can this hand‑air combined valve directly replace my old manual‑only multi‑way valve?
A: Physical mounting dimensions are compatible for direct replacement in most tipper installations. However, you need extra installation space for the pneumatic manifold block on the side. Also confirm whether your truck has a compressed‑air supply circuit for pneumatic remote function. If no air source, you can choose manual‑only version as alternative replacement model.
Q: What is the max working pressure of this multi‑way valve? Can I adjust system pressure by myself?
A: Max working pressure is 31.5MPa. The built‑in relief valve sets system pressure protection. Do NOT adjust relief pressure without professional guidance. Improper pressure setting will damage cylinders, pump and other hydraulic components. Tell us your required working pressure, we can pre‑set relief pressure before delivery.
Q: What key points should I pay attention to during installation?
A: 1. Reserve enough mounting space for pneumatic manifold block to avoid hose interference;
2. Confirm thread standard matches your hose fittings;
3. Ensure stable 0.6‑0.8MPa air supply for pneumatic function;
4. Keep clean for hydraulic oil and pipeline, avoid dirt entering valve cavity;
5. Do not over‑tighten threaded ports to prevent thread cracking.
Q: What will happen if pump flow exceeds the rated flow of this hydraulic valve?
A: Exceeding rated flow will lead to high pressure drop, severe hydraulic oil heating, slow response and internal valve wear. If pump flow is lower than rated value, cylinder lifting speed will be too slow. Please confirm your pump actual flow during selection. We can recommend suitable valve section according to your pump parameters.
