

67% energy saving, 50% lower operating costs, 60% fewer maintenance working hours, and over 20 decibels less noise — these are not exaggerated advertising slogans, but real performance results delivered by the electric concrete pump in actual construction site applications. As more and more construction projects include “green construction” in bidding documents, and as night construction in central urban areas faces strict noise limits, electrification is no longer an “optional extra” but a “must-have choice”. Data speaks louder than flowery words. Next, we will use intuitive parameter tables and easy-to-understand working principle explanations to show you why an electric concrete pump is well worth buying.
Electric Concrete Pump Trailer for Sale Parameters
YG-50
| Parameter Name | Parameter Value |
| S-Valve Type | S valve |
| Feeding Hopper Height | 1170mm |
| Motor Brand, Model & Power | Shanghai Shenghong, 55kW |
| Rated Motor Speed | 1480r/min |
| Hydraulic System Type | Open-circuit |
| Main Oil Pump System Pressure | 30MPa |
| S-Valve System Pressure | 35MPa |
| Mixing System Pressure | 15MPa |
| Max Mixing Speed | 60r/min |
The above data shows that this model delivers sufficient pumping pressure while ensuring efficient coordination between mixing and material distribution, laying a solid hardware foundation for stable subsequent material delivery.
Working Principle of the S-Valve in Electric Concrete Pump
To grasp the core operation of an electric concrete pump, you first need to understand its distribution valve — the S valve. Essentially a swing curved pipe, the S valve connects two pumping cylinders to the delivery pipeline. When one pumping cylinder retracts to suck in concrete, the other extends to push concrete out. Driven by hydraulic power, the S valve alternately aligns with the outlets of the two cylinders to deliver concrete to the pipeline nonstop. The S valve on YG series units uses tungsten carbide-reinforced spectacle plates and cutting rings for drastically improved wear resistance. It maintains a tight long-term seal even when pumping fine aggregate concrete or mortar. Paired with a dual-cylinder piston pumping structure, the whole pumping process runs continuously and smoothly without pulsating impact. This is the core technical advantage that lets the electric concrete pump transport mortar and fine aggregate concrete over long vertical distances for high-rise buildings.


What Major Benefits Does an Electric Concrete Delivery Pump Bring?
Compared with traditional diesel-powered pumps, the electric concrete delivery pump boasts clear advantages in many aspects:
- Energy-saving & Cost-effective: Actual site data proves the power consumption of electric pumps is only about one-third of equivalent diesel pumps. Based on an annual runtime of 2,000 hours, users can save tens of thousands of yuan solely on electricity bills. If carbon trading costs are factored in, total operating expenses drop by roughly 50%.
- Eco-friendly & Low Noise: It produces zero exhaust emissions, fully meeting environmental standards for urban and indoor construction. Motor operation generates far less noise than diesel engines, making it ideal for night shifts or construction sites near residential zones to avoid noise complaints.
- Simple Maintenance: Unlike diesel engines, motors require no regular replacement of engine oil, filters, fuel injectors, or other diesel consumables. Daily maintenance only involves checking electrical circuits and hydraulic oil levels. Maintenance hours are cut by over 60%, greatly boosting equipment uptime.
- Stable & Reliable Performance: Motors output constant torque unaffected by altitude, temperature, and other environmental conditions, resulting in minimal fluctuations in pumping pressure and consistent concrete pouring quality. For buyers looking for a concrete pump trailer for sale, electric trailer-mounted models carry all the above strengths, plus flexible mobility and easy site-to-site transfer.
What Working Conditions Can an Electric Concrete Pump Handle?
The YG electric concrete pump fits an extremely wide range of construction scenarios that require pressurized delivery of concrete or mortar:
- Construction Projects: Filling secondary structural columns and transporting floor mortar in high-rise apartments and commercial complexes; large-area efficient paving of fine aggregate concrete or lightweight foamed cement thermal insulation for underfloor heating works.
- Infrastructure Projects: Grouting reinforcement for reservoirs and dams, pressure grouting at ports and docks, and concrete pouring for bridge piers and abutments.
- Underground Works: Backfill grouting and anchor bolt support for tunnels and metro construction, plus consolidation grouting for soft ground.
- Industrial Applications: Pumping refractory and thermal insulation materials, secondary grouting for all types of equipment foundations.


FAQ about Electric Concrete Pump
Q1: Does the S valve of the electric concrete delivery pump get stuck easily?
No. YG’s S valve features an independent three-circuit hydraulic control system with a high 35MPa distribution valve pressure for powerful swinging motion. A fully automatic lubrication system ensures full lubrication of shaft sleeves, enabling smooth swinging even when pumping mortar with high sand content.
Q2: Can it operate normally under extremely high or low temperatures?
Yes. Fitted with an open-circuit hydraulic system and forced air cooling radiator, it runs stably in ambient temperatures ranging from -10℃ to 45℃. Motor startup is barely affected by temperature, a huge advantage over diesel engines, which struggle with cold starts.
Q3: Does the electric version of the small concrete pump machine lack power?
There is no need to worry at all. Even the smallest small concrete pump machine comes with a precisely matched motor and hydraulic system, delivering a vertical conveying height of over 80 meters, which fully meets construction demands for general multi-story buildings.
Q4: Can the electric concrete delivery pump truly achieve “Zero Emission”?
It delivers true zero emissions on construction sites. It generates no carbon monoxide, nitrogen oxides, or particulate matter. Therefore, it is the sole or preferred equipment for enclosed construction spaces with poor ventilation and strict air quality requirements, such as tunnels, metro tunnels, basements, and mines.
Contact YG — Your Trusted Concrete Delivery Pump Partner
All key components of the full YG product line adopt top international brands, including Kawasaki (Japan), Parker (USA), Siemens Germany and Schneider Electric. Every complete machine undergoes strict factory testing to guarantee outstanding quality.
Whether you are new to electric concrete delivery pumps or want to upgrade your existing equipment, YG’s technical team provides one-on-one model selection advice, working condition simulation calculations, and comprehensive after-sales training. We can also customize parameters such as feeding hopper height and motor power to match special construction needs, turning every unit into your reliable construction assistant.
Feel free to call YG’s official hotline or visit our factory to experience the superior performance of electric concrete pumps in person. Choose YG, choose a greener, more efficient, and hassle-free construction future!






