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Screw Comressors MA SD DS 90-280 VS

Screw Comressors MA SD DS 90-280 VS
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TWO-STAGE SCREW COMPRESSORS

TWO-STAGE SCREW COMPRESSOR WITH EXCEPTIONAL EFFICIENCY     TWO-STAGE SCREW ELEMENT FREQUENCY CONVERTER (‘‘MA SD DS VS’’ VERSION) EXCEPTIONAL ENERGY EFFICIENCY HIGH CAPACITIES, LOW ENERGY CONSUMPTION MA SD DS/VS series compressors are designed for harsh operating conditions in all types of industries, such as in power plants, steelworks, cement factories, metallurgy, chemical industry, etc. The MA SD DS/VS series is a reliable partner in continuous production with a 24/7 operating mode. It is designed for use in dusty environments with high efficiency. It is distinguished by long-term...

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Many advantages in one compressor The MA SD DS and MA SD DS VS series two-stage screw compressors combine the many advantages of built-in components that ensure high reliability of compressed air production for your plant. Compressors are available in different pressure ranges (4.5–12.5 bar), as a version with a fixed speed (MA SD DS version), or as a version with frequency control (MA SD DS VS version). Extremely efficient two-stage compression Extremely efficient PM motors with permanent magnets (IE3 class) Large oil tank and air oil separator Oil filter with independent lubrication...

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ECONOMICAL TWO-STAGE DESIGN The two-stage compressor design reduces the load on each stage of the compressor, leading to significant energy savings, ranging from 15 % to 30 %. Frequency speed control technology further reduces energy consumption and operating costs of your plant. MA SD DS series models Fixed speed Frequency speed control Water cooling Extremely efficient motors Heavy-duty suction filter Converter control TEFC motors with IE3 efficiency, insulation class F, and IP55 protection are fitted as standard. The motors have SKF bearings with optional automatic lubricant change and...

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Suction valve Separator tank Touchscreen controller The suction valve optimises the air supply to the screw element. The perfect aluminum design requires no maintenance, and it is distinguished by a high suction rate (700 mmHg) with a wide suction range and low energy consumption in unloaded operation. Quick check function enables unloading and closes the oil injection. A large separator tank improves the cyclone effect, which improves the process of separating oil from the air. A highly efficient oil separator ensures that the oil carryover is less than 3 ppm. The system pressure loss is...

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TWO-STAGE COMPRESSION TECHNOLOGY Properties of a two-stage screw element The robust design of the two-stage screw element is a guarantee for a high-tech product and reliable operation. The screw element has many advantages: • reduced compression ratio of each compression stage, • two-stage air design for high flow rate and low energy consumption, • low differential pressures, • low thermal load, • motor with direct drive of the screw element operating at low speed, • low energy consumption at partial load, • constant system pressure reduces system pressure fluctuations and general air...

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Advantages of two-stage compression Two-stage compression has many advantages over classic one-stage compression; isothermal compression, lower compression ratio, higher air flow, higher energy savings, better cooling, stability and reliability of operation, longer service life, etc. Isothermal compression Adiabatic compression Isothermal compression Adiabatic compression Energy savings One-stage compression Two-stage compression Two-stage compression One-stage compression ADVANTAGES two-stage compressions with intermediate cooling system without intermediate cooling system isothermal...

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ADVANTAGES FREQUENCY CONTROLLED FAN – fan speed frequency control, – compact design, – low noise level, – high capacity for optimised cooling, – low energy consumption. TOP PERFORMANCE – fully enclosed housing, low noise level, – separate lubrication system, sealing and lubrication for screw elements and bearings, – separate air filter and motor cooling inlet, – separate cabinet for converter and starter, – the pressure joints of steel pipes are used to prevent leakage and premature ageing, which is often observed in flexible pipes, – reduced losses due to friction of the pipe. LOW NOISE...

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AIR OIL SEPARATOR The air flow control plate in the separator changes the flow direction. Due to the cross-flow, small oil particles combine into larger ones, which are easier to separate from the air flow. The generously dimensioned separator tank (30 % excess) improves the cyclone effect, which improves the process of separating oil from the air: high efficiency, oil carryover lower than 3 ppm, and high-efficiency oil filter reliably removes impurities. Due to the optimal design of the separator, the pressure loss in the system is lower than 0,2 bar. The rotating lid of the separator tank...

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Screw Comressors MA SD DS 90-280 VS - 10

ENERGY SAVING TECHNOLOGY Speed control with inverter MA SD VS The wide range of operating speeds provided by the MA SD DS V series of compressors ensures stable, constant pressure control. With a frequency converter and savings-oriented control logic, you can optimise energy savings regardless of the load condition. The converters can react to rapid pressure changes as soon as there is a deviation of ±0,1 bar. Complete control over energy consumption – RS485 communication – intelligent PID flow control mode – precise torque control – rapid speed response to pressure changes – fast...

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Screw Comressors MA SD DS 90-280 VS - 11

With frequency speed converter Without frequency speed converter Soft start with frequency speed converter A frequency speed converter enables a soft start, reducing starting currents and thus the load on the electrical network. Extremely efficient TEFC motors (standard) Compressors are fitted with high-efficiency TEFC motors with SKF bearings, insulation class F, and protection level IP 55 as standard. High performance PM motors (optional) • PM motors exceed the requirements of IE4 standards. • efficiency is 5 % higher than with conventional motors • frequency speed control • built-in...

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