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Dump Truck Tipping Valve QHMF34-E15L

QHMF34-E15L isA high-performance pneumatic reversing tipping valve designed specifically for heavy-duty dump trucks and heavy-duty semi-trailer tippers .It is known for its ultra-high flow capacity, high pressure resistance, and strong anti-pollution performance, and is often used as the core hub of a large-tonnage multi-section front-mounted hydraulic cylinder control system.
  • Dump Truck Tipping Valve QHMF34-E15L

  • cissoko

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Dump Truck Tipping Valve QHMF34-E15L 

Overview

QHMF34-E15L isA high-performance pneumatic reversing tipping valve designed specifically for heavy-duty dump trucks and heavy-duty semi-trailer tippers .It is known for its ultra-high flow capacity, high pressure resistance, and strong anti-pollution performance, and is often used as the core hub of a large-tonnage multi-section front-mounted hydraulic cylinder control system.

Features and Benefits

  • Four-in-one integrated control: The valve body integrates functions such as lifting, holding, fast lowering, and flow ratio control . The operator can achieve precise remote control by simply turning the valve handle from inside the cabin.

  • Large-diameter anti-heat-generating design: The ultra-high flow rate of 220 L/min perfectly matches large-displacement, high-pressure hydraulic gear pumps. During lifting or unloading, it can significantly eliminate pump stalling in the oil circuit, reduce system return oil back pressure and hydraulic heat generation, and extend the life of the oil pump and seals.

  • Absolutely safe isolation of the passenger cabin: Employing a fully pneumatically controlled system, no high-pressure hydraulic hoses pass through the truck cab. This completely eliminates the risk of driver injury due to oil leaks or high-pressure hose bursts within the cabin.

  • Strong oil contamination resistance: The internal valve core and valve passage undergo micron-level high-precision grinding and hardening treatment, which makes it highly tolerant of impurities such as dust and iron filings mixed in the hydraulic oil under harsh working conditions such as construction sites and mines.


Technical Data:

Parameter Specification
Product Type Hydraulic Tipping Valve
Model Number QHFM34-E15L
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

  • Commercial transport vehicles (core scenarios): widely used in heavy-duty dump trucks, semi-trailer tipper trucks, hook-lift garbage trucks , etc., to precisely control the safe lifting and smooth lowering of large-tonnage cargo boxes.

  • Construction and engineering machinery: Used in loaders, excavators, skid steer loaders , etc., to control bucket tilting, material lifting and other heavy-duty operations.

  • Sanitation and municipal vehicles: Suitable for compressed garbage trucks, road sweepers, and sewage suction trucks , driving the hydraulic lifting of garbage containers or garbage unloading plates.

  • Agricultural and industrial loading and unloading: Used for high-horsepower agricultural trailers, industrial forklifts and front-end loading attachments, working stably in highly polluted and harsh environments.



Vane Pump Application


Packaging & Delivery

Shipping Methods

Valve 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.


QHMF34-E15L  Valve  FAQ:

1: What is the biggest performance advantage of this QHMF34-E15L valve?
A: It boasts an ultra-high flow rate and exceptional durability. With an industrial-grade flow rate of 220 L/min , compared to the typical 100-140 L/min self-unloading valve, it perfectly matches large-displacement gear pumps, ensuring rapid lifting of heavy-duty hydraulic cylinders weighing tens of tons. Furthermore, it is integrally cast from ductile iron , exhibiting extremely high resistance to high-pressure impacts and wear.
2: What are the advantages of its "Pneumatic Pilot" technology in actual use?
A: Safe and labor-saving. The fully pneumatic design means that there are no high-pressure hydraulic oil pipes in the cab of the dump truck , completely eliminating the risk of oil leaks or pipe bursts that could cause injury. In addition, it is very easy and responsive for the driver to move the pneumatic pilot handle inside the cab, unlike mechanical cables or manual levers which are laborious and prone to jamming or rusting.
3: Why is this valve so suitable for harsh outdoor working conditions such as construction sites and mines?
A: Thanks to its excellent "anti-pollution" and "electrophoretic paint" process.
  • Internally: Hydraulic oil in mines and construction sites is easily mixed with dust and iron filings. The valve core and valve passage of this valve have undergone high-precision grinding and special hardening, and have a very high tolerance for oil impurities.

  • External: The valve body surface adopts an electrophoretic coating process , and the paint film is uniform and dense, which has excellent rust prevention and corrosion resistance in open-air exposure or muddy and rainy environments from -20°C to +80°C .

4: How can I determine if my dump truck can directly replace or install this QHMF34-E15L valve?
A: We mainly check the following 3 core indicators:
  1. Pump flow and pressure: Ensure your hydraulic pump has a maximum flow rate of less than 220 L/min and a maximum system operating pressure of no more than 25 MPa (250 bar).

  2. Air pressure: Confirm that your heavy truck chassis's standard air brake/air system can provide a normal operating air pressure of 0.6 ~ 1.0 MPa (6-10 bar) to drive the valves.

  3. Oil ports and flanges: Check the thread specifications of the main oil ports (inlet P, return T, working ports A/B) and the mounting flange hole spacing at the bottom of the valve body to ensure they match your old valve.

5: Does this valve have a "slow drop" function similar to the MPT series? Can the descent speed be adjusted?
A: It has basic flow control, but the adjustment logic is different.
The QHMF34-E15L, as a heavy-duty pneumatically controlled directional unloading valve, incorporates a precision hydraulic spool valve. While it primarily focuses on high-flow, high-efficiency directional control (lifting/intermediate stop/rapid descent), because it is pneumatically pilot-driven, the operator can achieve a certain degree of proportional flow control (controlling the return oil speed) by pushing or pulling the pneumatic handle inside the cabin. If extremely stringent precision requirements are needed for heavy-load, slow descent, mechanical speed reduction adjustment can also be achieved by adjusting the upper limit screw of the matching pneumatic control valve.

6. Do you provide OEM or customized services

Yes, we support OEM and customization, including nameplate, packaging, and specific performance requirements. Send us your drawings or specifications for evaluation.

Certifications & Quality Assurance

Valves 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.



Green Hydraulic Patent Certificate

FAQ

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.


2.What is your payment terms?

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.


3.Can you make my own brand on the products?

Of course we can. Just send me your logo  we can make it for you.


4.What is our main export market?

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%).


Unedited footage of the Green Hydraulic Factory

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.

Unedited footage of the Green Hydraulic Factory

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.

Unedited footage of the Green Hydraulic Factory

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.

Unedited footage of the Green Hydraulic Factory3

All hydraulic pumps produced by Cissoko Hydraulic have undergone compliance testing, ensuring their quality and reliability.

Unedited footage of the Green Hydraulic Factory4

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.

Unedited footage of the Green Hydraulic Factory5

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.


Green Hydraulic Advantages
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CISSOKO specializes in dump truck hydraulic parts, delivering reliable lifting kits and full hydraulic solutions for global tipper vehicle manufacturers.

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