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Schulz SRP 4125 Flex Rotary Screw Air Compressor – 125 HP, Variable Speed, 500 CFM, 125 PSI, 460V 3 PH Industrial

$57,417.00

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Schulz SRP 4125 Flex 125 HP variable-speed rotary screw air compressor delivers up to 540 CFM at 125 PSI with up to 38% energy savings for heavy industrial operations. Ships in 24 hours.

2 TO 5 YEAR EXTENDED WARRANTY

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SKU: 970.3910-0 Categories: ,

Description

Key Benefits

  • Variable speed inverter technology automatically adjusts motor speed to real-time air demand
  • Up to 38% lower energy consumption compared to fixed-speed models
  • Delivers up to 540 CFM of smooth, continuous airflow
  • Maximum pressure of 125 PSI with stable system pressure regulation
  • Quiet operation at approximately 72–74 dBA with low vibration levels

Specifications

  • Model: SRP 4125 Flex
  • Part Number: 970.3910-0
  • CFM (use this exact value): 540 CFM
  • Max PSI: 125 PSI
  • HP: 125 HP (93 kW)
  • Motor Type: TEFC IP55 3-Phase
  • Voltage: 460V / 3 Phase
  • Compressor Type: Rotary Screw (Oil-Lubricated, Variable Speed)
  • Drive Type: Frequency Inverter (Variable Speed Drive)
  • Cooling: Air-Cooled
  • Noise Level: ~72–74 dBA
  • Connections: See datasheet

Applications

  • Large manufacturing facilities and production assembly lines
  • Automotive and heavy equipment plants
  • Metal fabrication, welding, and CNC machining operations
  • Laser cutting and high-demand pneumatic automation systems

Warranty

  • 2-Year Warranty on Airend (Pump)
  • 1-Year Warranty on Complete Unit (motor, electrical components, controls, and all other parts)

Downloads

Filter Maintenance Kit — Items Included (FMK-1130)

  • Primary Air Filter – Part No. 007.0364-0 (Quantity: 4)
  • Secondary Air Filter – Part No. 007.0365-0 (Quantity: 4)
  • Oil Filter – Part No. 007.0383-0 (Quantity: 4)
  • Air-Oil Separator – Part No. 021.0184-0 (Quantity: 1)

Additional information

Weight2900 lbs
Dimensions78 × 39 × 77 in
Delivery Options

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In Stock — Ships within 1–2 business days via standard freight carrier. Confirm availability →
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📞 Questions? (770)-734-6383

Frequently Asked Questions

What oil does this compressor use?
Schulz piston compressors use Schulz SG-TM 30 semi-synthetic compressor oil (our SS-30 product). This is the factory-recommended oil for all Schulz L-Series and V-Series piston compressors. Use of other oils may void warranty.
Is shipping included in the price?
Yes — free shipping is included to commercial locations with a loading dock or forklift. Liftgate service, inside delivery, and residential delivery are available for additional fees (shown at checkout). Standard delivery requires a commercial address.
How long does delivery take?
Most compressors ship within 1–2 business days from our warehouse. Delivery typically takes 3–7 business days depending on your location. You'll receive a tracking number when your order ships.
What is covered under warranty?
Schulz compressors include a 2-year warranty on the compressor pump and a 1-year warranty on all other components. Extended warranties (2, 3, or 5 years) are available at checkout. We are an authorized dealer, so all warranty claims are supported directly.
Do I need a special electrical setup?
Single-phase models run on standard 230V single-phase power (common in most shops). Three-phase models require 230V or 460V three-phase service. Always verify your electrical capacity before ordering — our team can help you confirm requirements by phone.
Can I return or exchange the compressor?
Please contact us before purchasing if you have sizing questions — our team can help you choose correctly. For return inquiries, contact us at info@schulzproducts.com or (770)-734-6383 within 30 days of delivery.
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