SCR Compressor

Direct Driven Seires Compressor D series

Working Power: 15~75KW(20-100HP)
Free Air Delivery: 2.3~13.3m³/min(81~469.7cfm)
Working Pressure: 7/8/10bar(101.5/116/145 psig)

product advantages
  • 1 High reliable airend

    Machined by high precision CNC machine, and inspected by high precision 3D inspection machine. High reliability onsite proofed in the market more than 13years, 5:6Profile rotor equipped with world famous bearing.


  • 2 IEC standard TEFC Motor

    TEFC, IP 54(IP 55 Optional) Protection Grade, F Grade Insulation, S1 Duty ensures stable running even in 24hour / 7 day applications. Top quality SKF motor bearings ensure long service life.

    Low investment

  • 3 Oversized cooler

    Oversized cooler with 30% reserve margin, ensures excellent cooling even under high ambient conditions, it’s more than 10years proofed in the tropical country, like UAE, Saudi Arabia etc.


  • 4 Siemens core components

    1. Oversized Siemens contactors are selected, it’s for stable operation to ensure longevity, even in the heaviest duty applications.

    2. Intelligent PLC control, monitors all key running parameters of the compressor. The PLC reports on 12 alarms and 13 security protection.

    Special morse connection

  • 5 1:1 Direct Driven

    Made-in-China KTR Coupling is used, improve the reliability.

    High transmission efficiency.

    Low RPM of airend, matched to motor speed which extend life-span of airend.

    Low vibration and low noise.

    Double Frequency conversion system

  • 6 World CE/UL Certificate

    Special morse connection

product parts
product details
Premium Efficiency Drive Motor
① Premium Efficiency Drive Motor ● Premium efficiency Totally Enclosed Fan Cooled (TEFC) IP54/IP55 motor (Class F insulation) protects against dust and chemicals etc. ● Long-term stable operation even in harsh environments up to 55℃ (131℉ )
State-of-the-art Screw Element
② State-of-the-art Screw Element ● Original airend •Advanced SAP profile design ● The material of the rotors is American specialty steel ● Superior Sweden SKF element bearings
inlet filter
③ inlet filter ● Nano scale Heavy duty ● filtration accuracy upto 99.9% ● Dust particles below 0.3 micron ● Pressure drop indicator
cooling fan
④ cooling fan ● Low noise level ● High capacity for optimized cooling ● Low power consumption
Classic cooler design
⑤ Oversized cooler design ● Easy access for maintenance ● Paint anti-corrosion coating on surface ● Over size cooler design
Plot® Touch controller
⑥ Intelligent SPC200 Controller ● User Friendly Interface, real-time operation/maintenance/alarm information.

● Self-protection & Intelligent automatic control, provide 12 alarms and 13 security protection.

⑦ Inlet valve ● Advanced & Robust Suction valve designed for heavy duty running.

● Reliable solenoid valve, service life up to 2 million actions.

● Simple layout and easy to maintain.

Oil filter
⑧ Oil filter ● Filter the dirts in the lubricated oil reliably ● Oil particles can be controlled at 0.1 micron ● Ensure the smooth and well-lubricating oil system
Built-in separation system
Oil gas tank & Built-in separation system ● Oversized air and oil tank improves the cyclone effect maximising the seperation process ● The high efficiency oil seperator ensures that the oil carry over is less than 3ppm. ● System pressure loss:less than 0.02Mpa
electrical control cabinet
⑩ electrical control cabinet ● Siemens core electrical components are used to further enhance reliabity.
all-steel internal pipe system
⑪ all-steel internal pipe system ● All steel internal pipe work is used to prevent leakage and premature ageing often seen with flexible pipes ● Less pipe pressure loss
product parameter
Model KW HP Capacity
SCR20D-7 15 20 2.4 7 1300*900*1100 530 Rc1
SCR20D-8 2.3 8
SCR30D-7 22 30 3.7 7 1380*850*1160 580 Rc1
SCR30D-8 3.6 8
SCR40D-7 30 40 5.2 7 1600*1000*1360 840 Rc1 1/2
SCR40D-8 5 8
SCR50D-7 37 50 6.2 7 1600*1000*1360 860 Rc1 1/2
SCR50D-8 6.1 8
SCR60D-7 45 60 7.3 7 1850*1000*1360 950 Rc1 1/2
SCR60D-8 7.2 8
SCR75D-7 55 75 10.2 7 2150*1350*1500 1720 Rc2
SCR75D-8 9.9 8
SCR100D-7 75 100 13.3 7 2150*1350*1500 1860 Rc2
SCR100D-8 13 8
SCR100D-8 11.8 10


The capacity is measured as GB3853 standard.(equivalent to ISO1217 Annex C)

Standard voltage is 380V/50HZ/3P, other voltage is available.

The recommended best capacity range is 60%-100%.

Alpine/high altitude, high temperature, high humidity, high dust loads or other adverse working conditions will require specialized custom designs. These are available on special request.

We reserve the right to make changes and improvements to the design and appearance.

Specifications may change without prior notice.

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