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Electric Mobile Screw Air Compressor

Electric Mobile Screw Air Compressor Manufacturer & Supplier — Moderate Machine

Moderate Machine manufactures electric mobile screw air compressors from 75kW to 132kW, engineered for mining, tunneling, water well drilling, and outdoor construction sites where a stable, high-volume air supply is essential. Built on a trailer or wheeled chassis with IP54-rated cabinets, our units deliver reliable working pressures from 7 to 8 bar and flow rates up to 23m³/min, even in harsh dust, moisture, and vibration conditions. Every model supports OEM customization — voltage, working pressure, chassis type, and branding — backed by ISO 9001 quality control and a one-year warranty. As a factory-direct manufacturer exporting to 50+ countries, we help distributors and project buyers source dependable mobile power at competitive, factory-direct pricing.

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What Is an Electric Mobile Screw Air Compressor?

An electric mobile screw air compressor is a motor-driven, twin-rotor air compression unit mounted on a movable chassis — typically a four-wheel trailer or skid frame — so it can be relocated between job sites without a fixed installation. Unlike stationary compressors bolted to a workshop floor, these machines are designed to withstand outdoor exposure: dust, vibration, rain, and temperature swings common on mining sites, road-building projects, and drilling operations. Powered by a 3-phase electric motor rather than a diesel engine, they run quietly, produce no exhaust emissions on-site, and cost less to operate wherever a stable grid or generator power source is available. Buyers in mining, tunneling, geological exploration, and industrial equipment installation rely on this equipment type to power pneumatic tools, rock drills, and DTH hammers at a consistent working pressure.

Advantages of Electric Mobile Screw Air Compressors

Stable Operation and High Reliability

The screw compression unit uses fewer moving parts and less internal friction than piston-type compressors, resulting in a lower failure rate and longer service intervals — some units can run 80,000–100,000 hours between major overhauls.

High Efficiency and Energy Saving

Many models are compatible with Variable Speed Drive (VSD) configurations that automatically adjust motor output to match real-time air demand, cutting electricity waste compared with fixed-speed units running continuously at full load.

Large, Stable Air Output

Rotary screw technology produces a continuous, pulsation-free airflow — unlike piston compressors, which deliver air in pulses — making these units better suited for powering multiple pneumatic tools or rock drills simultaneously.

IP54-Rated Protection for Harsh Sites

Cabinet designs with IP54 protection resist dust ingress and splashing water, allowing safe operation in open-air mining pits, tunnel portals, and construction sites where standard electrical equipment would fail.

Easy Maintenance, Low Operating Cost

A simple mechanical structure with fewer wear parts means routine maintenance — filter changes, oil checks — can be handled by on-site technicians without specialized training, keeping total cost of ownership low.

Flexible Mobility Between Job Sites

Trailer and wheeled chassis designs let contractors tow the unit behind a pickup truck or light vehicle, so a single compressor can serve multiple work fronts across a large mine or construction project without repeated crane lifts.

Electric Mobile Screw Air Compressor Specifications

Model	Motor Power (kW)	Working Pressure (bar)	Air Flow (m³/min)	Noise Level (dB @7m)	Voltage	Chassis Type
ZDY75D-7	75	7	13	73±3	380V/3-phase/50Hz	Trailer (4-wheel)
ZDY90D-7	90	7	16.5	73±3	380V/3-phase/50Hz	Trailer/Cabinet
KYLC-18.5/13DY	90	13	18.5	99	380V/3-phase/50Hz	Trailer, air-cooled
ZDY132D-8	132	8	23	83±3	380V/3-phase/50Hz	Trailer (4-wheel)

Custom voltage (220V/380V), working pressure (8/10/12/13 bar), and OEM color/logo options are available on all models. Contact our sales team for the full technical datasheet.

Types of Electric Mobile Screw Air Compressors We Manufacture

ZDY75D-7 — 75kW Mobile Electric Rotary Screw Air Compressor for Mining

A four-wheel trailer-mounted unit delivering 13m³/min at 7bar, built for geological exploration drilling, military engineering, and remote power-station startup air. IP54-rated for harsh mining and construction environments.

ZDY90D-7 — 90kW Small Electric Single Stage Portable Screw Compressor

A fixed-speed unit delivering 16.5m³/min at 7bar with a direct-drive single-stage structure, suited to factory pneumatic equipment, railway construction, and large-scale lifting equipment support.

KYLC-18.5/13DY — Best Electric Portable Screw Air Compressor Machine

A high-pressure 13bar model with 18.5m³/min airflow, designed for rock drills and sub-mechanical drilling machines in tunnel excavation and secondary crushing operations, with heavy-duty off-road chassis options.

ZDY132D-8 — 132kW Electric Trailer Type Screw Air Compressor 18 Bar Series

Our highest-capacity mobile unit, outputting 23m³/min at 8bar with built-in overload, temperature, and pressure protection — engineered specifically for the safety demands of underground mine environments.

Applications of Electric Mobile Screw Air Compressors

Mining and Rock Drilling Operations

Supplies continuous high-pressure air for rock drills and DTH hammers used in tunnel excavation, ore mining, and secondary rock crushing.

Construction and Road Building

Powers pneumatic drilling and demolition tools on construction sites, helping crews maintain schedule and reduce downtime during civil works.

Railway and Tunnel Construction

Provides compressed air for fastener tightening, ballast compaction, and pneumatic tools used during rail-laying and tunnel operations.

Geological Exploration Drilling

Powers portable drilling rigs for hydrogeological surveys, blasting-hole drilling, and field exploration where crews need to relocate equipment frequently.

Industrial Equipment Installation

Drives pneumatic hydraulic pumps, jacks, and torque wrenches during the positioning and installation of precision factory equipment.

Emergency and Military Engineering

Supports rapid construction of field fortifications, temporary shelters, and on-site equipment maintenance where mobility and reliability are critical.

Why Choose Moderate Machine as Your Electric Mobile Screw Air Compressor Supplier?

Direct Factory Pricing, No Middlemen

As a factory that also operates its own trading arm, we cut out intermediary markups — giving distributors and project buyers competitive, cost-effective pricing without sacrificing build quality.

Full OEM & Customization Support

We accommodate custom voltage, working pressure, chassis configuration, paint color, and logo branding — helping distributors build their own product line without investing in their own factory.

Export Experience Across 50+ Countries

Since our founding in 2017, our equipment has shipped to mining and construction buyers across South America, Africa, Central Asia, the Middle East, and Southeast Asia, giving us practical experience adapting machines to diverse climates and grid conditions.

Responsive After-Sales Support

Our team provides 24/7 online video technical support for installation and troubleshooting, alongside a one-year machine warranty and readily available spare parts.

How We Manufacture Our Electric Mobile Screw Air Compressors

Our production process begins with precision machining of the screw rotor and airend, the core component that determines compression efficiency and service life.

Each rotor set undergoes dynamic balancing to minimize vibration before being paired with a 3-phase motor and mounted onto a welded steel chassis — either a fixed skid frame or a four-wheel towable trailer, depending on the model.

The cabinet is then fitted, with cooling fans, noise-dampening panels, and IP54-rated enclosures installed to protect internal components from dust and moisture.

Before any unit leaves the factory, it undergoes full assembly testing under load to verify working pressure, air delivery, noise level, and electrical safety, with results recorded on a test report available to customers.

Optional customization — voltage conversion, working pressure adjustment, corrosion-resistant coatings for coastal or chemical environments, and OEM branding — is applied at this final stage before packaging.

How to Order a Custom Electric Mobile Screw Air Compressor

Send Your Requirements

Tell us your required air flow, working pressure, voltage, and site conditions (altitude, ambient temperature, terrain) via the inquiry form or WhatsApp.

Receive a Technical Proposal

Our engineering team recommends the closest standard model or configures a custom specification, with a formal quotation and datasheet.

Confirm Customization & Place Order

Finalize chassis type, color, logo, and any OEM branding requirements, then confirm payment terms (30% T/T deposit, 40% before shipment, 30% against B/L copy).

Production & Quality Testing

Your unit is manufactured and undergoes full assembly and performance testing, with test videos shared before shipment (production typically takes 20–30 days).

Shipment & After-Sales Support

Goods are shipped FCL/LCL via Ningbo or Shanghai port in export-standard packaging, with installation guidance and 24/7 technical support available after delivery.

Certifications & Quality Control

Moderate Machine operates under the ISO 9001 quality management system (Certificate No. 37124Q0097R0S, issued by an accredited certification body, valid through May 2027), covering our full manufacturing process from raw material inspection to final assembly testing. Every electric mobile screw air compressor is fully assembled and performance-tested — checking working pressure, air delivery, noise level, and electrical safety — before packaging, with test videos made available to customers on request.

Our Factory Strength

Founded in 2017, Quzhou Zhongdu Machinery Technology Co., Ltd. (Moderate Machine) operates from a dedicated facility within the Zhejiang Air Power Machinery Industry Demonstration Base in Quzhou, Zhejiang Province — a regional cluster recognized for pneumatic and compressor manufacturing.

Our workshop and warehouse span approximately 1,000㎡, supporting a team of 15+ staff, including a 2-person R&D group and a 13-person international sales team who handle technical consultation directly with overseas buyers. The company has built a track record of over $3M in annual export value, shipping electric and diesel screw air compressors, drilling rigs, and related equipment to buyers in roughly 50 countries across South America, Africa, Central Asia, the Middle East, and Southeast Asia.

Our production line includes precision rotor-machining equipment, dynamic balancing stations, and full-load testing benches, allowing every unit to be verified for pressure, flow, and noise performance before it ships.

Frequently Asked Questions About Electric Mobile Screw Air Compressors

Q1: What is the difference between an electric mobile screw air compressor and a diesel one?

An electric model runs on a 3-phase electric motor and requires access to grid or generator power, making it quieter and cheaper to run per hour where electricity is available. A diesel unit is fully self-contained and suited to remote sites with no power access, but costs more in fuel and maintenance over time.

Q2: What working pressure range do your electric mobile screw air compressors cover?

Our standard lineup covers 7 to 13 bar across the ZDY75D-7, ZDY90D-7, KYLC-18.5/13DY, and ZDY132D-8 models, with custom working pressures from 8 to 20 bar available on request.

Q3: Can the voltage be customized for my country's power supply?

Yes. While our standard configuration is 380V/3-phase/50Hz, we offer custom voltage options including 220V and other regional standards to match your local grid.

Q4: How mobile are these compressors — can they be towed on public roads?

Trailer-type models like the ZDY75D-7 and ZDY132D-8 are built on four-wheel chassis designed for towing behind a pickup or light vehicle between job sites; heavy-duty off-road chassis and reinforced axles are available for rough terrain.

Q5: What is the typical lead time for an order?

Standard voltage orders typically ship within 15–30 working days after order confirmation. Non-standard voltage or heavily customized units may require additional lead time — our sales team will confirm an exact schedule at quotation.

Q6: Is OEM branding available?

Yes. We support custom paint colors, logo printing, and labeling so distributors can sell under their own brand identity.

Q7: What warranty do you provide?

We offer a one-year warranty on the complete machine, with an extended two-year warranty on the screw compressor airend itself, excluding normal wear parts.

Q8: How often does the compressor need maintenance?

Initial maintenance is recommended after the first 500 operating hours, with subsequent service every 2,000–3,000 hours depending on your operating environment and dust levels.

Q9: What certifications does Moderate Machine hold?

Our manufacturing process is certified under ISO 9001, covering quality control from raw materials through final assembly and testing.

Q10: Can I visit the factory before placing an order?

Yes, factory visits are welcome. Our facility is located near Quzhou Airport, and we can assist with airport pickup and hotel booking for visiting buyers.

Q11: What payment terms do you accept?

Standard terms are 30% T/T deposit, 40% T/T before shipment, and 30% T/T upon presentation of the B/L copy. We also accept Western Union, MoneyGram, and PayPal for smaller transactions.

Q12: What is the minimum order quantity (MOQ)?

MOQ is typically 1 unit, making it accessible for both trial orders and full container loads.

Q13: How is the compressor packaged for export shipping?

Units are shipped via FCL or LCL in export-standard wooden cases or reinforced container loading, from Ningbo or Shanghai port.

Q14: Can the compressor operate in high-humidity or coastal environments?

Yes — for coastal, offshore, or chemical-plant environments, we offer a corrosion-resistance upgrade package including stainless steel bolts and special anti-corrosion coatings.

Q15: Do you provide technical support after installation?

Our team offers 24/7 online video assistance for troubleshooting and maintenance guidance after your unit is delivered and commissioned.

Get a Free Quote for Your Electric Mobile Screw Air Compressor

Tell us your required pressure, flow rate, and site conditions — our engineers respond with a technical proposal and pricing within 24 hours.

No minimum order quantity, fully customizable.

Quzhou Zhongdu Machinery Technology Co., Ltd. is one of the most professional electric mobile screw air compressor manufacturers and suppliers in China. We warmly welcome you to wholesale customized electric mobile screw air compressor made in China here from our factory.

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