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Screw Air Compressor Pump for High-Speed Train (EMU/HST) Braking, Suspension and Auxiliary Pneumatic Systems Overview This screw air compressor pump is purpose-built for high-speed train (EMU/HST) braking, suspension and auxiliary pneumatic systems, integrating a high-efficiency screw main unit into a compact, lightweight package. It delivers stable, clean, oil-free (or oil-injected, per system design) compressed air to keep braking, door, pantograph and suspension components operating reliably during continuous high-speed operation. Engineered for low noise, low vibration and long service intervals, it meets the strict reliability and safety demands of railway applications. Core Features • High-Efficiency Screw Airend: optimized rotor profile ensures high volumetric efficiency, stable output pressure and low energy consumption. • Rail-Specific Compact Design: integrated structure saves space and weight — critical for underframe and equipment-room installation. • Clean Air Delivery: oil-free or oil-separated options available to protect sensitive pneumatic components and brake systems. • Low Noise & Vibration: precision balancing and acoustic insulation make it suitable for passenger comfort and urban/night service. • Durable & Low Maintenance: wear-resistant construction, extended oil service life and easy filter/oil change reduce lifecycle cost. • Wide Operating Range: performs reliably across extreme temperatures, altitude and high-humidity environments. Technical Specifications (Typical) Item Specification Application High-speed train braking, air suspension, door control, pantograph & auxiliary pneumatics Flow Capacity 0.3 ~ 3.0 m³/min (customizable) Working Pressure 0.8 ~ 1.3 MPa (adjustable) Compression Type Oil-injected / Dry oil-free screw (optional) Power Rating 5.5 ~ 37 kW (AC 380/440 V, 50/60 Hz or DC power) Speed Range 1500 ~ 3000 rpm Cooling Method Air cooling / Water cooling Noise Level ≤ 72 dB(A) (at 1 m) Protection Grade IP54 / IP55 Lubrication Special railway-grade oil, long-life design Mounting Type Direct flange mounting / Flexible coupling Dimensions & Weight Customized per train model and space envelope Benefits • Ensures consistent air supply for critical braking and suspension safety functions. • Reduces downtime with extended maintenance intervals and high reliability. • Lightweight and space-saving design maximizes train payload and interior layout flexibility. • Low noise and vibration improve passenger comfort and meet railway noise regulations. • Long service life and proven durability reduce total cost of ownership. Application Scenarios • High-speed trains (EMU, DMU, HSR) • Urban rail / metro / light rail vehicles • Special pneumatic systems on locomotives and coaches • Braking, air suspension, door, pantograph and whistle systems Why Choose Us? With extensive experience in rail rolling stock air systems, we design and manufacture screw compressor pumps tailored to high-speed train operating conditions. We provide: • Custom engineering support for space, power and interface requirements • Strict quality control and testing (vibration, temperature, endurance) • Compliance with railway industry safety and reliability standards • Global after-sales service and spare parts support Contact us today to discuss your high-speed train screw air compressor pump requirements — we deliver reliable, efficient and durable compressed air solutions for modern rail systems.

skid-mounted screw air compressor pump for mining and drilling rigs This vehicle-mounted screw air compressor pump is designed for mining and drilling rigs, integrating a high-efficiency screw airend into a compact, skid-mounted chassis. It delivers continuous, reliable compressed air at the well site, eliminating the need for a separate stationary compressor and greatly improving rig mobility and operating efficiency. Ideal for blast hole drilling, water well drilling, geothermal drilling, and construction piling applications.

The GCU55 integrated compressor unit is an all‑in‑one assembled screw compressor host integrating air‑end, drive motor, dual oil‑gas separators, oil filter, intake valve and complete oil circulation piping system. This highly integrated unit eliminates complicated motor‑host alignment work for compressor OEMs. Constructed with heavy‑duty cast‑iron pressure vessel housing and high‑efficiency rotor profile, it delivers large stable air flow. Spin‑on filter cartridges enable quick maintenance. It is perfect for new compressor manufacturing, host replacement and equipment retrofitting projects for medium‑large industrial compressed‑air systems.

The K10 integrated screw air‑end is a compact pre‑assembled screw compressor host. It integrates rotor assembly, spin‑on oil‑gas separator, oil filter, intake valve, solenoid valve and built‑in oil circuit components into one single unit. This all‑in‑one design greatly simplifies compressor OEM assembly work. Made of high‑strength cast iron housing and high‑precision screw rotors, it offers stable air output, compact footprint and easy maintenance. It is widely used for small‑to‑medium screw compressor manufacturing, air‑end replacement and aftermarket overhaul projects.

WOYO KV22 complete‑machine screw air compressor adopts permanent‑magnet variable‑frequency drive and self‑developed screw host. It delivers stable compressed air output, realizes remarkable energy‑saving effect, and features low‑noise operation, intelligent control system and durable industrial‑grade structure. Suitable for general manufacturing, machining, packaging and other industrial air‑supply scenarios.

The KV‑7 complete screw air compressor is a 7.5kW permanent magnet variable‑frequency industrial air compressor, equipped with self‑developed integrated screw air‑end. Adopting permanent magnet VFD motor technology, it delivers remarkable energy‑saving performance, low noise and stable compressed‑air output. Built‑in intelligent control system ensures easy operation and real‑time working status monitoring. Compact cabinet‑type structure simplifies installation. It is widely used for general factory workshops, machining workshops and other industrial air supply applications.

The K10 integrated screw air‑end is a compact pre‑assembled screw compressor host. It integrates rotor assembly, spin‑on oil‑gas separator, oil filter, intake valve, solenoid valve and built‑in oil circuit components into one single unit. This all‑in‑one design greatly simplifies compressor OEM assembly work. Made of high‑strength cast iron housing and high‑precision screw rotors, it offers stable air output, compact footprint and easy maintenance. It is widely used for small‑to‑medium screw compressor manufacturing, air‑end replacement and aftermarket overhaul projects.

The GCU55 integrated compressor unit is an all‑in‑one assembled screw compressor host integrating air‑end, drive motor, dual oil‑gas separators, oil filter, intake valve and complete oil circulation piping system. This highly integrated unit eliminates complicated motor‑host alignment work for compressor OEMs. Constructed with heavy‑duty cast‑iron pressure vessel housing and high‑efficiency rotor profile, it delivers large stable air flow. Spin‑on filter cartridges enable quick maintenance. It is perfect for new compressor manufacturing, host replacement and equipment retrofitting projects for medium‑large industrial compressed‑air systems.

The GCU33 integrated air‑end is a fully pre‑assembled screw compressor host designed for medium‑power industrial screw air compressors. This integrated unit comes complete with spin‑on oil‑gas separator, oil filter, intake valve, solenoid valve, pressure regulating valve and full oil circulation pipelines. Built with heavy‑duty cast‑iron housing and precision‑machined rotor profile, it greatly reduces OEM assembly workload. Featuring compact structure, stable air delivery and convenient spin‑filter maintenance, it fits for new compressor manufacturing as well as host replacement and refurbishment projects.

The GCU30 railway‑specific integrated screw air‑end is a fully‑assembled compressor core unit engineered for rail and transit compressed‑air systems. This integrated assembly comes with precision screw rotor, Mann‑filter oil‑gas separator, oil filter, intake valve, complete control piping and heavy‑duty cast iron housing. Designed to withstand continuous vibration, wide temperature fluctuation and harsh operating conditions onboard rail vehicles, it serves as the core air supply source for braking, door control and auxiliary pneumatic systems for trains and rail equipment. Factory pre‑integrated components simplify installation and routine maintenance for railway OEM and overhaul projects.

The GCU30 yellow engineering‑grade integrated air‑end is a complete belt‑driven compressor assembly built for mobile and construction‑site compressed‑air applications. This fully pre‑integrated unit includes screw main rotor, spin‑on oil‑gas separator, oil filter, intake valve, heavy‑duty belt pulley, belt drive system, hydraulic motor mounting bracket and robust steel base frame. Finished in industrial yellow coating for engineering machinery scenarios, it is compatible with hydraulic motor drive, widely used for mobile air compressors on construction equipment, mining rigs and off‑road machinery. It minimizes on‑site assembly work and delivers reliable performance under harsh outdoor working environments.

The GCU30 integrated air‑end is a complete pre‑assembled screw compressor host equipped with built‑in gearbox, designed for 30 kW industrial screw air compressors. This all‑in‑one unit comes factory‑fitted with gear transmission system, spin‑on oil‑gas separator, oil filter, intake valve, solenoid valve and oil level sight glass. Constructed with heavy‑duty cast‑iron housing and precision rotor profile, the integrated gearbox eliminates external gear or belt drive setup. It drastically cuts OEM assembly work, delivers large stable air flow and simplifies maintenance. Perfect for new compressor manufacturing as well as aftermarket host replacement and overhaul projects.

The GCU11 integrated air‑end is a complete pre‑assembled screw compressor host built for 11 kW industrial screw air compressors. This integrated unit comes fully fitted with spin‑on oil‑gas separator, oil filter, intake valve, solenoid valve, oil level gauge and complete oil circulation pipelines. Made of heavy‑duty cast‑iron housing and precision‑machined rotor set, it greatly reduces OEM assembly workload. Featuring compact structure, stable air delivery and convenient maintenance, it is suitable for new compressor manufacturing as well as host replacement and refurbishment jobs.

The GCU10 integrated air‑end is an all‑in‑one screw compressor host designed for 10 kW screw air compressors. This integrated unit comes pre‑assembled with oil‑gas separator, oil filter, intake valve, solenoid valve and hydraulic piping. Built with heavy‑duty cast‑iron housing and precision rotor components, it simplifies assembly work for compressor manufacturers. It delivers stable air output, compact footprint and easy maintenance, ideal for new compressor assembly and replacement refurbishment projects.

GU55 traditional single air‑end is the core compression rotor host for 55 kW industrial screw air compressors. It features 5/6 asymmetric lobe rotor profile, heavy‑duty cast‑iron housing and taper roller bearing configuration, net weight 180kg. Delivering stable air displacement across wide speed range, this air‑end serves as premium direct‑swap replacement unit for compressor overhaul and refurbishment, widely applied in heavy‑manufacturing plants, large workshops and industrial compressed‑air stations.

The GU37 traditional single air‑end serves as the core compression rotor host for 37 kW industrial screw air compressors. It is built with heavy‑duty cast‑iron housing and precision‑manufactured rotor assemblies. Featuring robust structure, stable air output and extended service life, this air‑end works as premium replacement parts for compressor overhaul and refurbishment, widely deployed in manufacturing plants, heavy‑duty workshops and various industrial compressed‑air supply systems.