Products Description
This LGZJ-31/25-35/18 screw type compressor is designed with a pressure of 40 bar and has high efficiency with a rotor profile optimized for fluid dynamic lubrication, reducing transverse leakage and improving overall compressor efficiency. The two-stage compression system, paired with a flexible design and enhanced valve, ensures robust performance. The heavy-duty design adopts SKF bearings, providing reliability and longevity.
The screw type compressor is powered by specialized heavy-duty diesel engines from Yuchai, Cummins, and others, complying with National III emission standards. The design adopts a "Convex-Convex" rotor engagement that forms a fluid dynamic lubrication film, minimizing leakage, improving efficiency, and enhancing rotor processing and testing performance. With power ranging from 4 to 355 kW, the compressor operates at lower speeds (30-50% lower than other brands), reducing noise, vibration, and exhaust temperature, increasing rotor rigidity, and extending lifespan. It also meets and exceeds the energy efficiency requirements of GB19153-2003 for volumetric air compressors.

products parameters
|
Model |
LGZJ-31/25-35/18 |
|
Pressure(mpa) |
2.5-1.8 |
|
Air Consumption(m3/min) |
31-35 |
|
Engine |
400HP Yuchai |
|
Dimension(mm) |
3650*2000*2200 |
|
Interface |
G2*1,G3/4*1 |
|
Weight(kg) |
4500 |

Products features
Packaging & Shipping
Delivery time: 10-15days
Our team uses specialized equipment to secure the packaging, with designated personnel inspecting each step of the process to ensure safe and reliable transportation.

application
The Kaishan LGZJ-31/25-35/18 screw type compressor is specifically designed for water well applications. It is widely used in industries such as highways, railways, mining, water conservancy, shipping, construction, energy, and military, providing reliable and efficient compressed air solutions for various demanding environments.

Certificate
Our products have passed CE certification and ISO9001 quality management system certification, ensuring that they meet international standards in terms of safety, reliability and quality.

We are a professional drilling rig supplier from China, specializing in the design and manufacture of various equipment, including water well drilling rigs, rotary drilling rigs, anchor drilling rigs, DTH drilling rigs, solar pile drivers, mud pumps, air compressors, and drilling tools. With advanced technology, modern equipment, and a first-class team, our products have obtained ISO9001 and CE certifications, and are sold in over 200 countries around the world.
Professional team
Providing expert technical support and solutions for our customers.
One-stop Service
Offering comprehensive services from design and manufacturing to after-sales support.

Our Service
Before-sale services
1) 24 Hours online service, quickly reply to E-mail and online ask. Guide customers to choose the best applicable machine type.
2) Professionally and patiently introduction, provide the advanced, energy-saving, and practical technological process.
Sale services
1) complete parts safety stock for all machine series. Test every machine before delivery to insure good performance of the machine.
2) In accordance with the agreements stipulated in the contract.
After-sale services
1) According to the special requirements of customers,our company can ask professional engineers to guide with device installation online, debugging, and training operators until customers are fully satisfied.
2) The quality guarantee period for machines is one year except for the wearing parts and human damage factor.
FAQ
Q: Why is the price of the same model machine different?
A: Because the price of the drilling rig is influenced by configuration. Higher-end machine often come with superior equipment , adopting powerful brand engine, advanced control systems, and premium-quality drill pipes and bits.
Q: Why choose us?
A: Rancheng Machinery is a very professional drilling rig supplier in China. We have rich experience in this industry for 11 years. Now our products are serving around the world. We have high-quality drilling rigs, professional and efficient services, competitive prices and fast delivery.
Q: Do you offer any custom designs?
A: Yes, we have our trade factory. We provide our customers with customized service. We can produce a superior product for you by your designs.
Q: How to order?
A: Step 1, please tell us what model and quantity you need;
Step 2, then we will make a proforma invoice for you to confirm the order details;
Step 3, we confirmed everything, then arrange the payment;
Step 4, finally we deliver the goods within the stipulated time.
Q: When will make delivery?
A: About 10-15 work days after receipt of the payment.
Q: After-sales service
A: One-year warranty for all kinds of products;
Q: Can we visit your factory?
A: Yes, we warmly welcome you to visit our factory.
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