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FRD-series screw compressor, 4 kW drive power, refrigerated dryer, 270-litre compressed-air tank, 0,53/0,62 m³/min flow rate, 8/10 bar max. operating pressure

Powerful all-in-one screw compressor with a 4.0 kW drive motor and a flow rate of 0.62 m³/min at 8 bar or 0.53 m³/min at 10 bar. Equipped with a 270- or 500-litre compressed air receiver for stable line pressure, reduced switching cycles and quiet operation. The integrated RDX refrigerated dryer ensures dry compressed air and protects lines, tools and machinery—ideal for workshops, trades and smaller industrial applications.

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Germany flag icon Free delivery within Germany on orders over €99
 |  Item no. 11410015
Sale price 16.815,00 zł Regular price 18.894,00 zł
incl. VAT / CHF excl. VAT, Shipping is calculated at checkout.
Operating pressure (bar)
Volumetric flow rate (m³/min)
Delivery time: approx. 4–6 business days

Questions & Help

Do you have questions about one of our products or would you like expert advice on selecting the right solution for your application?

No problem—give us a call! Tel. +49 (0) 2551 5030

Send us an email! shop@strahltechnik-express.de

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Leasing & Hire Purchase

We offer the financing options leasing and hire purchase exclusively to businesses, commercial operators and self-employed persons for selected products with a net order value of €1,000 or more. Below you will find the key differences between the two forms of financing.

Leasing

With leasing, the product is made available to the lessee for use in return for regular lease payments. The asset is recognized on the lessor’s balance sheet. Lease payments can generally be claimed as operating expenses for tax purposes. These are gross payments, and VAT is charged throughout the entire term. Once the agreed minimum lease term has expired, purchasing the product is generally possible.

Hire purchase

In economic terms, hire purchase is equivalent to an installment purchase. The product is capitalized on the hire purchaser’s balance sheet and depreciated in accordance with the official depreciation tables. Ownership of the asset transfers to the hire purchaser upon payment of the final hire-purchase installment. VAT must be paid in full with the first hire-purchase installment (a pass-through item).

Shipping & Delivery

We ship our goods either via parcel service or via a freight forwarding company, depending on their size, weight and characteristics. We select the shipping method at our reasonable discretion.

The delivery times stated in the online shop are non-binding estimates, unless a binding delivery date has been expressly agreed in writing. They are based on the information available from our manufacturers, suppliers and logistics partners at the time the order is placed.

A large proportion of the products offered are shipped directly from the manufacturer or from external central warehouses (direct shipment). As a result, delivery times may differ from the stated guidelines. In particular, material shortages, production delays, supply bottlenecks, force majeure or other circumstances for which we are not responsible may result in delivery delays.

Disclaimer:

We accept no liability for delivery delays resulting from circumstances beyond our control. This applies in particular to delays caused by manufacturers, upstream suppliers, transport companies or other third parties. Liability for any resulting damages, in particular indirect damages, consequential damages or loss of profit, is excluded to the extent permitted by law.

Partial deliveries are permitted insofar as they are reasonable for the customer. They will not result in additional shipping costs unless otherwise agreed.

The exact delivery time for an item can be provided individually on request, either before or after placing the order.

Please contact us by telephone at +49 (0)2551 5030 or by email at shipping@strahltechnik-express.de.

If significant delivery delays occur, we will inform the customer without undue delay. Mandatory statutory rights of the customer remain unaffected.

Comprag FRD04.. screw compressor – 4.0 kW with 270- or 500-liter tank & integrated refrigerated dryer

The FRD04.. series combines a powerful 4.0 kW screw compressor with an integrated refrigerated dryer and is built on a 270- or 500-liter compressed-air tank. This compact all-in-one solution reliably delivers dry, clean compressed air for workshops, trade businesses, and smaller industrial applications. Factory pre-assembly significantly reduces installation effort.


FRD series – Screw compressors on a tank with an integrated refrigerated dryer

The FRD series screw compressors are mounted as a space-saving complete solution on a horizontal compressed-air tank and also feature an integrated refrigerated dryer.

The compressed-air tank stabilizes the system pressure, prevents pressure fluctuations in the lines, and reduces the compressor's switching cycles. This extends the service life of the screw block, electric motor, and drive system, while significantly increasing energy efficiency.

The integrated refrigerated dryer removes most of the moisture from the compressed air. Condensation in the lines is prevented, and compressed-air lines as well as connected tools and systems are reliably protected against corrosion. Since all components are connected at the factory, you save on installation work and additional costs.

⚙️ Quality motors

All compressors in the F, FR, and FRD series are equipped with high-efficiency, high-quality motors from leading manufacturers. They have ample power reserves, do not operate in the overload range, and are protected by thermal motor protection.

🌀 Efficient screw block

The modern rotor design of the screw block ensures high energy efficiency. A thin film of oil separates the rotor elements without contact, reduces friction, and ensures a long service life.

💧 Clean compressed air

Through centrifugal and gravity separation, as well as high-quality air-oil separators, the oil is reliably removed from the compressed air. The residual oil content is below 3 mg/m³.


✅ Highlights
  • Screw compressor with 4.0 kW drive power
  • Four variants: 8 or 10 bar, each with a 270- or 500-liter tank
  • Integrated refrigerated dryer for dry compressed air
  • t-Log control for automated operation
  • Compact, ready-to-install, and service-friendly design

📌 Technical data
Feature FRD0408-270 FRD0408-500 FRD0410-270 FRD0410-500
Drive power 4.0 kW
Operating pressure 8 bar 8 bar 10 bar 10 bar
Flow rate 0.62 m³/min 0.62 m³/min 0.53 m³/min 0.53 m³/min
Tank size 270 l 500 l 270 l 500 l
Oil capacity approx. 4 l
Rated voltage 3-phase, 380–420 V, 50 Hz
Noise level approx. 62 dB(A)
Connection G 1/2″

📏 Dimensions and weight

Variant Width (L) Depth (D) Height (H) Weight
FRD04..-270 1370 mm 700 mm 1500 mm approx. 360 kg
FRD04..-500 1900 mm 800 mm 1650 mm approx. 400 kg

📦 Scope of delivery
  • Comprag FRD04.. screw compressor (4.0 kW)
  • Pre-assembled on a 270- or 500-liter compressed air tank
  • Integrated refrigerated dryer
  • t-Log control
  • Sound-insulated enclosure
  • Operating manual & service booklet

🌍 Benefits at a glance
  • Compact all-in-one solution with integrated refrigerated dryer
  • Dry compressed air for sensitive applications
  • Four variants for flexible adaptation to available space and compressed air requirements
  • Space-saving, ready for installation, and service-friendly

🔧 Typical applications

The FRD04.. is ideal for workshops, craft businesses, and smaller industrial applications where dry compressed air is required. Typical applications include pneumatic tools, smaller painting jobs, and sensitive pneumatic systems.


❓ FAQ – Frequently Asked Questions
  • What variants are available?
    FRD0408-270, FRD0408-500, FRD0410-270, and FRD0410-500.
  • What are the benefits of the integrated refrigerated dryer?
    It provides dry compressed air and protects tools and systems from condensate and corrosion.
  • Who is the FRD04.. suitable for?
    For workshops and craft businesses that need a compact compressed air solution with integrated drying.

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