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Comprag Screw Compressor D Series, 1:1 Direct Drive, 45 kW Drive Power, 6.2/7 m³/min Flow Rate, 8/10 bar Max. Operating Pressure

The Comprag D45 is a direct-driven screw compressor with 45 kW power for industrial continuous operation. The loss-free 1:1 direct drive ensures maximum energy efficiency, low maintenance effort, and high operational reliability. Depending on the version, it operates at 8 or 10 bar and delivers up to 7.0 m³/min at 8 bar or 6.2 m³/min at 10 bar – controlled via the i-Log control system for reliable and economical operation.

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Comprag  |  SKU: 11300081
Sale price €9.254,42 Regular price €10.398,22
Tax included Shipping calculated at checkout.
Operating pressure (bar)
Volume flow (m³/min)
Delivery time approx. 4-6 working days
Finanzierung für diesen Artikel ab / Monat

Questions & Help

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

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

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

Use our online chat or the contact form

Leasing & Hire Purchase

We offer exclusively for entrepreneurs, traders, and self-employed individuals financing options leasing and hire purchase for selected products starting from a net goods value of €1,000. Below you will find the essential differences between both financing forms.

Leasing

In leasing, the product is made available to the lessee for use against payment of regular leasing installments. The accounting is done by the lessor. The leasing installments can usually be claimed as business expenses for tax purposes. These are gross installments, and value-added tax is incurred throughout the entire term. After the agreed basic rental period, acquisition of the product by purchase is generally possible.

Hire Purchase

Hire purchase is economically equivalent to a installment purchase. The product is activated in the balance sheet of the hire purchaser and depreciated according to the official depreciation tables. Upon payment of the last hire purchase installment, ownership of the object transfers to the hire purchaser. The value-added tax must be paid in full with the first hire purchase installment (pass-through item).

Shipping & Delivery

The shipping of our goods depends on size, weight, and nature, either via parcel service or via freight forwarding. The choice of shipping method is made by us at our discretion.

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

A large part of the products offered is shipped directly from the manufacturer or from external central warehouses (direct shipping). As a result, delivery times may differ from the specified benchmarks. In particular, material shortages, production delays, delivery bottlenecks, force majeure, or other circumstances beyond our control may lead to delivery delays.

Disclaimer:

We accept no liability for delivery delays caused by circumstances that are outside our control. This particularly applies to delays caused by manufacturers, suppliers, transport companies, or other third parties. Liability for any resulting damages, especially for indirect damages, consequential damages, or lost profits, is excluded to the extent permitted by law.

Partial deliveries are permissible as long as they are reasonable for the customer. No additional shipping costs will be incurred unless otherwise agreed.

The exact delivery time of an item can be communicated individually upon request before or after the order.

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

If there are significant delivery delays, we will inform the customer immediately. Mandatory legal rights of the customer remain unaffected.

Comprag D45 screw compressor – 45 kW, directly driven (1:1 drive)

The D45.. models are powerful direct drive screw compressors with 1:1 coupling between the electric motor and the compression stage. The loss-free power transmission ensures maximum energy efficiency, minimal maintenance, and a long service life. Thanks to the integrated i-Log control with clear text display, you always have control over all operating parameters and maintenance intervals.

Comprag D series – Industrial efficiency in continuous operation

The stationary compressors in the D series are designed for continuous operation (24/7) in industrial, production, and workshop environments. The direct drive ensures loss-free power transmission, quiet operation, and particularly low operating costs. The robust, sound-insulated housing and the multi-stage air/oil separation system guarantee consistently high compressed air quality for many years.

For the highest demands in workshops and industry:
The D45 screw compressor delivers up to 7.0 m³/min at 8 bar (or 6.2 m³/min at 10 bar). The sound-insulated construction (approx. 72 dB(A)) and the combined air/oil cooler ensure quiet, energy-efficient operation – even under continuous load.


⚙️ Quality motors

All compressors in the F series are equipped with highly efficient quality motors from leading manufacturers. They have energy reserves, do not operate in overload conditions, and are additionally protected by thermal motor protection.

🌀 Efficient screw block

The modern rotor design of the screw block ensures maximum energy efficiency. A thin oil film separates the rotor elements without contact, reducing friction and providing an exceptionally long service life.

💧 Clean compressed air

Through centrifugal and gravitational separation as well as high-quality air-oil separators, the oil is reliably removed. The residual oil content at the outlet is less than 3 mg/m³ – for particularly pure compressed air quality.


✅ Highlights
  • Direct drive 1: 1 – maximum energy efficiency without belt losses
  • i-Log control with clear text display and maintenance interval display
  • Efficient air/oil separation < 3 mg/m³
  • Sound-insulated construction with low noise level
  • Maintenance-friendly design for quick service

📌 Technical data
Feature D4508 D4510
Drive power 45 kW
Operating pressure 8 bar 10 bar
Volumetric flow* 7.0 m³/min 6.2 m³/min
Sound level ** approx. 72 dB(A)
Connection G 1¼
Rated voltage 3-phase, 380 – 420 V, 50 Hz
Oil capacity 15 l

* according to ISO 1217 · ** according to ISO 3744


📏 Dimensions and weight

Model Width (L) Depth (D) Height (H) Weight
D45.. 1650 mm 1100 mm 1730 mm 950 kg

🔁 Flow diagram of the compressor

Oil
Air-oil mixture
Air
1 Screw block
2 Electric motor
3 Air inlet valve
4 Air filter
5 Air-oil separator tank
6 Oil filter
7 Air-oil separator
8 Heat exchanger
9 Coupling
10 Fan
11 Minimum pressure valve
12 Thermostatic valve

📦 Scope of delivery
  • D45.. screw compressor (45 kW, direct drive 1:1)
  • i-Log control with display and monitoring
  • Sound-insulated housing with integrated cooling unit
  • Complete air/oil separation, oil filter, and air filter integrated
  • Initial filling with high-performance compressor oil
  • Operating and maintenance manual

🌍 Advantages at a glance
  • Maximum energy efficiency through direct drive 1:1
  • Low maintenance – no belt change necessary
  • Residual oil content < 3 mg/m³ for clean compressed air
  • Compact, robust, and service-friendly design
  • Ideal for continuous operation in industry and production

🔧 Typical application area

The D45.. series is ideal for large workshops, manufacturing companies, metal and wood processing, painting centers, and production lines. It delivers up to 7.0 m³/min of compressed air with consistent quality – perfect for energy-intensive applications in continuous operation.


❓ FAQ – Frequently Asked Questions
  • What variants are available?
    D4508 (8 bar, 7.0 m³/min) and D4510 (10 bar, 6.2 m³/min).
  • How loud is the compressor?
    About 72 dB(A) – quieter than comparable models in this performance class.
  • What compressed air connection is used?
    G 1¼″ thread connection.
  • How much oil is included?
    Approx. 15 liters of compressor oil.
  • How is the control done?
    About the i-Log control with clear text display, operating hour counter, and service interval display.

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