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Винтовой воздушный компрессор с постоянными магнитами и регулируемой частотой вращения CM18PVF

CM18PVF 18.5kW PM VFD screw air compressor | NdFeB rotor, alloy steel helical rotors, cast iron housing, SS316L cooler | 65dB, IE4, 30–109 cfm | 3 pressure configs

Описание

PM VFD TECHNOLOGY
18.5 kW / 25 HP
65 dB(A) ULTRA-QUIET
UK STOCK

Винтовой воздушный компрессор с постоянными магнитами и регулируемой частотой вращения CM18PVF

Industrial-grade compressed air engineered for UK manufacturing — 18.5 kW output, three pressure configurations, and up to 35% verifiable energy saving over conventional fixed-speed alternatives.

35%
Energy Saving
65 dB
Low Noise
109 cfm
Max Air Delivery
IE4
Motor Class
3
Pressure Options

Precision-Engineered Compressed Air for British Industry

Технология одновинтового сжатия для воздушных компрессоровIndustrial compressed air accounts for roughly 10% of all electricity consumed in UK manufacturing facilities — a cost that plant managers are under increasing pressure to cut as energy tariffs remain elevated. The CM18PVF permanent magnet variable frequency screw air compressor meets that challenge directly, delivering precisely calibrated output that tracks actual site demand in real time rather than cycling between full load and wasteful idle. Rated at 18.5 kW (25 HP), this unit is available in three pressure configurations — 0.8 MPa (116 psi), 1.0 MPa (145 psi), and 1.25 MPa (181 psi) — giving procurement engineers across British manufacturing, food processing, pharmaceutical packaging, and precision fabrication the flexibility to specify exact process requirements without over-building. With a noise output of just 65 dB(A), the CM18PVF can be installed close to production lines without compromising the working environment or triggering obligations under the UK Control of Noise at Work Regulations 2005. From Coventry automotive suppliers to Yorkshire confectionery producers, and from North London pharmaceutical facilities to Scottish offshore support industries, the CM18PVF is redefining what mid-range industrial compressed air should deliver in terms of both performance and cost of ownership.

CM18PVF — Available in 116 psi, 145 psi & 181 psi configurations | Ever Power

✉  Get a Quote — CM18PVF

Response within 4 business hours  |  UK-based technical support

Why UK Engineers Specify the CM18PVF

Eight measurable advantages built into every unit leaving the factory

Up to 35% Energy Saving

The variable frequency drive continuously matches motor speed to real-time compressed air demand, eliminating the unloaded running that wastes 15–25% of input power in conventional on/off compressors. At current UK industrial electricity tariffs — typically 26–30p/kWh for SME manufacturers — the CM18PVF’s energy performance translates to verifiable annual savings that commonly offset the capital cost differential over a fixed-speed unit within 18 to 24 months of operation.

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IE4 Permanent Magnet Motor

NdFeB rare-earth magnets embedded in the rotor eliminate copper rotor losses entirely, achieving IE4 super-premium efficiency levels at both full and reduced load — something standard IE2 or IE3 induction motors simply cannot match. For UK facilities subject to the Energy Savings Opportunity Scheme (ESOS) or pursuing ISO 50001 certification, specifying an IE4-class PM motor compressor provides measurable evidence of continuous improvement in energy management practice.

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65 dB(A) — Workplace Compliant

Running at just 65 dB(A), the CM18PVF sits well below the 80 dB(A) first action level defined in the Control of Noise at Work Regulations 2005. This removes the mandatory hearing protection requirement and opens installation options that noisier compressors simply cannot offer — including placement adjacent to open-plan assembly areas, research environments, and customer-facing production spaces where acoustic comfort directly impacts staff wellbeing and visitor impressions.

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Wide Delivery Range: 30–109 cfm

The variable delivery envelope — from 30 cfm at 181 psi through to 109 cfm at 116 psi — accommodates the highly variable demand profiles typical of UK batch production, shift-based manufacturing, and seasonal processing industries. A single CM18PVF can effectively consolidate the duties previously covered by two or three smaller fixed-speed compressors, reducing machine count, maintenance complexity, and compressed air room footprint simultaneously.

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Direct Drive — Zero Belt Losses

Direct coupling between the PM motor shaft and the screw element eliminates belt-drive transmission losses — typically 2–5% of input power on conventional designs — and removes the single highest-turnover consumable component in a traditional compressor’s planned maintenance schedule. For UK facilities operating on continuous shift patterns, direct drive meaningfully shortens planned maintenance windows, reduces consumable spend, and cuts the risk of unplanned downtime arising from belt wear or mis-tensioning.

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Smart Controller & BMS Integration

The integrated intelligent controller logs operating hours, pressure history, temperature trends, fault codes, and service intervals in real time via a clear touchscreen display. Optional remote connectivity allows the CM18PVF to feed live data into building management systems (BMS) or Industry 4.0 monitoring platforms, enabling UK maintenance teams to schedule predictive interventions rather than reacting to breakdowns — a fundamental shift that reduces lifetime maintenance costs and improves production uptime reliability figures.

Technical Specifications — CM18PVF

All flow data measured per ISO 1217 Ed.4 Annex C at 20°C inlet temperature

ModelPressure
MPa
Pressure
psi
FAD
m³/min
FAD
cfm
Power
kW / HP
Noise
dB(A)
Масса
kg
Dimensions
L×W×H mm
CM18PVF0.81161.24–3.1044–10918.5 / 25659701900×1000×1635
1.01451.05–2.6237–93
1.251810.85–2.1330–758201680×1000×1335

*CM-Findicates air-cooledmodel,theorange data indicates parameters ofaircooled model.
ModelwithoutFindicateswater-cooled.

How the CM18PVF Works: Technology & Materials

Воздушный фильтр для воздушного компрессораThe CM18PVF combines two complementary technologies that, working in concert, eliminate the root causes of inefficiency in traditional fixed-speed compressed air systems. At the core sits a permanent magnet synchronous motor (PMSM) constructed around an NdFeB (neodymium-iron-boron) rare-earth rotor. Unlike conventional induction motors, which rely on induced rotor currents to generate torque — losing energy as heat in the process — the PMSM’s rotor magnets create a constant magnetic field with zero copper loss, sustaining IE4 super-premium efficiency ratings across the entire operating speed range, including the reduced-speed conditions that VFD operation regularly produces.

The variable frequency drive (VFD) monitors header pressure continuously and adjusts motor speed in sub-second response cycles. When a shift begins and demand climbs rapidly, the VFD ramps motor speed upward accordingly; during lunch breaks or planned downtime, it reduces speed to the minimum required to maintain set pressure. Because the PM motor maintains high efficiency even at 30–40% of rated speed — where a standard induction motor would suffer a significant efficiency fall-off — the energy savings accumulate across the full production day rather than only during peak demand periods.

The screw compression element uses precision-ground helical rotors machined from high-alloy tool steel, running within a cast iron housing that provides both structural rigidity and natural vibration attenuation. The intermeshing male and female rotors compress air in a continuous, pulsation-free process — a fundamental advantage over reciprocating compressors in applications sensitive to pressure fluctuation, such as medical-grade spraying, precision filling, and instrumentation supply. The direct-drive arrangement couples motor shaft directly to screw element via a flexible disc coupling, dispensing with belt drive components entirely and reducing the maintenance schedule to primarily oil, filter, and separator element changes.

Alloy Steel Rotors
Precision-ground helical profile. Tight tolerance pairing for maximum volumetric efficiency.
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NdFeB Magnet Rotor
Rare-earth magnets. Zero rotor copper loss. IE4 efficiency at all speeds.
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Cast Iron Housing
Rigid structure with inherent vibration damping. Long-term dimensional stability.
SS Oil Cooler
316L stainless steel cooler core. Corrosion-resistant in humid UK plant environments.

Where the CM18PVF Is Working Across the UK

Proven across seven British industrial sectors

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Автомобильная промышленность
Body assembly, tyre inflation, pneumatic tooling, painting booths, and CNC fixture clamping in Midlands and North West plants.
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Продукты питания и напитки
Packaging sealing, conveyor actuation, bottle blowing, and ingredient dosing. Compatible with food-grade filtration trains for UK FSA sites.
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Фармацевтическая промышленность
Blister packaging, vial blowdown, clean-room pressurisation, and tablet coating when upstream filtration meets ISO 8573-1 requirements.
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Metal Fabrication
Plasma and laser cutting assist gas, pneumatic clamping, sandblasting, and shot peening in Yorkshire and Scottish fabrication workshops.
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Textiles
Air-jet loom operation, yarn transport, finishing press actuation, and garment handling systems in East Midlands weaving facilities.
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Electronics Assembly
SMT soldering flux removal, component pick-and-place, conformal coating atomisation, and PCB cleaning lines in South East England technology parks.

Client Success Stories

Three documented outcomes from current UK installations

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Tier-2 Automotive Parts Manufacturer
Coventry, West Midlands

A tier-2 supplier manufacturing pressed steel body components replaced three ageing fixed-speed 15 kW compressors with two CM18PVF units in Q3 2023. The consolidated installation reduced compressed air system energy consumption by 31%, generating annual savings of approximately £14,800 at prevailing industrial tariffs. The 65 dB(A) noise level enabled relocation from a dedicated plant room to the production floor perimeter, freeing 18 square metres of floor space and reducing compressed air distribution pipework by 34 metres.

✅ 31% energy reduction
✅ £14,800/yr saving
✅ 3 machines → 2

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Confectionery Manufacturer
Leeds, West Yorkshire

A confectionery producer in Leeds installed the CM18PVF in the 1.0 MPa (145 psi) configuration to support packaging and heat-sealing lines with highly variable demand profiles. The VFD’s real-time pressure matching eliminated the micro-pressure-drop fluctuations that had been causing inconsistent seal integrity on their previous fixed-speed unit. Production rejects attributable to compressed air quality issues fell by 78% in the first full quarter of operation, delivering direct material savings alongside the energy efficiency gains.

✅ 78% fewer rejects
✅ Stable sealing pressure
✅ 27% energy saving

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Contract Pharmaceutical Packager
Enfield, North London

A GMP-certified contract packager in Enfield specified the CM18PVF for blister sealing and vial blowdown duties, selecting the 1.25 MPa (181 psi) configuration paired with dedicated desiccant dryers and sterile-grade filters to meet ISO 8573-1 Class 1 requirements. The low acoustic signature was critical given the facility’s adjacency to quality control laboratories. After 18 months of continuous operation, the unit had logged over 12,400 running hours with zero unplanned downtime events and a first-year energy performance 29% better than the legacy compressor.

✅ 12,400 hrs — zero downtime
✅ 29% energy saving

What Our UK Clients Say

We evaluated five compressor options before choosing the CM18PVF. The PM motor efficiency combined with VFD responsiveness was decisive. Energy savings matched the projections exactly and the machine has been completely trouble-free over 14 months of two-shift production.

Engineering Manager
Tier-2 Automotive Supplier, Coventry

Installation was smooth and the commissioning support from the technical team was excellent. We’ve been running the unit 24/5 at our Leeds facility for over a year with no unplanned interventions. The seal reject rate improvement alone justified the purchase.

Maintenance Director
Food Manufacturing, West Yorkshire

For a pharmaceutical GMP site, noise and reliability are non-negotiable. The CM18PVF delivers both without compromise. The smart controller integrates cleanly with our Siemens BMS and the data logging satisfies our validation documentation requirements.

Facilities Manager
Contract Pharmaceutical Packager, Enfield

Ever Power: Manufacturing Capability & Custom Solutions

Ever Power’s production facility operates under ISO 9001:2015 quality management certification across dedicated compressor assembly lines equipped for high-precision, low-volume custom builds alongside standard production runs. Our engineering team works directly with UK procurement and facilities managers to develop CM18PVF configurations that address site-specific requirements that standard catalogue specifications cannot accommodate. This in-house customisation capability covers a genuinely broad scope — from modified pressure band settings tuned to the exact demands of a specific production process, through to bespoke control panel wiring for integration with legacy PLC architectures common in older British manufacturing facilities.

UK clients in ATEX Zone 2 environments — chemical processing, fuel handling, and solvent-based manufacturing — can specify ATEX Category 3G rated variants with Ex-rated motors, Ex-certified enclosures, and zone-appropriate wiring practices. Alternative voltage configurations (including 400 V/50 Hz as standard for the UK market, with 415 V compatibility options) ensure compatibility with existing site infrastructure without transformer investment. Extended warranty packages, UK-based service agreements, and priority spare parts stockholding are available for clients operating the CM18PVF on critical or continuous production duty. Every custom configuration undergoes full factory acceptance testing (FAT) before despatch, and commissioning support can be arranged at any UK mainland site.

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ISO 9001:2015
Certified Manufacturing
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Custom Engineering
ATEX, Voltage, Pressure
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FAT Tested
Every Custom Build
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UK Service Network
Nationwide Coverage

Часто задаваемые вопросы

Common questions from UK procurement teams and plant engineers

How much energy can a CM18PVF permanent magnet variable frequency screw air compressor actually save compared with a standard fixed-speed unit running at a UK manufacturing facility? ▼
In monitored UK industrial installations, the CM18PVF typically delivers 22–35% energy savings over fixed-speed equivalents. The exact saving depends heavily on your demand profile — facilities with high variability between peak and low-load periods see the greatest benefit. At an average UK SME industrial electricity rate of approximately 28p/kWh and a duty cycle of two shifts per day, 250 operating days per year, the CM18PVF can generate annual electricity savings of £8,000–£16,000 compared to a conventionally controlled 18.5 kW fixed-speed compressor. Ever Power can assist with a free site energy assessment to generate a site-specific payback calculation before purchase.
What is the total installed cost of a CM18PVF screw air compressor at a UK industrial site, including delivery, pipework connections, and commissioning? ▼
The CM18PVF base unit price varies by pressure configuration and any custom options specified. UK delivery to mainland England, Wales, and Scotland is included in the quoted price for standard configurations. Installation costs — covering mechanical pipework connection, electrical supply, and initial commissioning — typically add £1,200–£3,500 depending on site access conditions and the complexity of integrating with existing compressed air ring mains. Please contact our UK sales team at [email protected] for a detailed, site-specific quotation including all ancillary costs.
Which UK industries benefit most from specifying a variable frequency drive screw air compressor rather than a fixed-speed model? ▼
VFD screw compressors deliver the greatest value in industries with variable and cyclical demand patterns. UK food and beverage production, automotive assembly, pharmaceutical packaging, and batch chemical processing all feature highly variable air demand between peak production periods, shift changeovers, and planned downtime. Plastics and rubber moulding, packaging, and general light engineering similarly benefit. Industries with flat, constant demand — such as some continuous chemical process operations — may see smaller but still meaningful savings, primarily from the PM motor’s inherent IE4 efficiency advantage.
Where can I find a reliable CM18PVF screw air compressor supplier in the United Kingdom who provides full after-sales technical support and spare parts availability? ▼
Ever Power supplies the CM18PVF directly to UK clients with a dedicated British sales and technical support team covering the entire mainland UK. Our service network includes commissioning engineers who can attend site anywhere from Cornwall to Inverness, and our UK spare parts stockholding ensures that routine service items — oil filters, air-oil separator elements, oil, and VFD components — can be despatched next working day. Reach us at [email protected] to discuss your specific site and support requirements.
When should a UK plant manager consider replacing an existing reciprocating compressor with a permanent magnet VFD screw model like the CM18PVF? ▼
The case for upgrading is typically strongest when a reciprocating unit reaches 10–12 years old and faces significant repair costs, when energy bills are being reviewed under ESOS or a similar audit, or when noise levels are causing compliance or welfare concerns. From a purely financial perspective, the CM18PVF’s lower energy consumption commonly delivers a sub-three-year payback when replacing a reciprocating compressor that has not been significantly upgraded. If your existing compressor is running hot, requiring frequent unloader valve maintenance, or causing pressure fluctuation complaints from downstream tooling or processes, a VFD screw upgrade is worth calculating in detail.
How does the permanent magnet motor in the CM18PVF maintain high efficiency at reduced speeds compared with conventional induction motor compressors? ▼
Standard induction motors rely on slip between rotor and rotating magnetic field to generate current in the rotor bars — this slip increases as speed drops, causing rotor copper losses to rise disproportionately at partial load. The CM18PVF’s NdFeB permanent magnet rotor generates its own constant magnetic field, eliminating rotor copper losses entirely at all speeds. The result is that the PM motor maintains near-constant efficiency from 40% to 100% of rated speed, whereas a comparably rated IE3 induction motor typically suffers a 4–8% efficiency penalty at 50% speed — the speed range where VFD compressors spend a significant portion of their operating time in variable-demand applications.
What is the typical lead time for a custom-configured CM18PVF order from Ever Power to delivery at a UK site, and are stock units available for faster despatch? ▼
Standard CM18PVF configurations in the three catalogue pressure options (0.8, 1.0, and 1.25 MPa) are held in UK stock and can typically be despatched within 3–5 working days of order confirmation. Custom configurations — including ATEX-rated variants, non-standard pressure settings, alternative voltage specifications, or modified control panel arrangements — carry a lead time of 4–8 weeks depending on specification complexity. Rush production scheduling is available for urgent requirements; please discuss timescales directly with our UK sales team when submitting your enquiry.

Ready to Reduce Your UK Site’s Compressed Air Costs?

Our UK engineering team will prepare a site-specific energy saving analysis and no-obligation quotation within 4 business hours.

✉  Get a Free Quote Now

Ever Power  |  [email protected]  |  Permanent Magnet Variable Frequency Screw Air Compressors

отредактировано gzl