Product Details
0.3bar 253m3/h 380v/50hz double screw blower oil free screw blower for sewerage system
General parameters of our screw blower:
- Pressure: 0.4-1.2bar
- Air flow: 3m3/min-72m3/min
- Power: 5.5kw-185kw
What is a screw blower?
Blower type
Rotary screw blowers are positive displacement blowers with precision timing gears that maintain minute clearances between two intermeshing oil-free screw elements that never touch. ... In centrifugal blowers, also called turbo blowers, the energy is transferred from a rotating shaft to air or gas.
Hitachi Technology oil free double screw airend:
What is the difference between a Roots blower and a screw blower?
The roots blower acts like a pump for the air as it goes into the motor, whereas thescrew blower is more like an air compressor in how it forces the atmosphere into the engine. ... The rotors on the screw blower are much different since they're designed to be more like the threads on a screw, hence the name screw blower.
What are the advantages of a screw compressor?
They are good energy conservers – Rotary screw machines are generally energy efficient, and they generate less heat than normal air compressors. They consume less oil than other oil flooded air compressors. In addition, they have minimum oil carryovers.
What is a screw compressor used for?
Rotary-screw compressors are generally used to supply compressed air for larger industrial applications. They are best applied in applications that have a continuous airdemand such as food packaging plants and automated manufacturing systems.
Wastewater treatment
- ?Lowest aeration blower energy cost, representing 70% of the total operational cost.
- Low downtime and low maintenance cost thanks to innovative screw blower technology.
- Very wide fow and pressure operational range
Pneumatic conveying – dilute phase
- Lowest energy cost, representing up to 80% of the blower life cycle cost.
- Low downtime and low maintenance cost thanks to innovative screw blower technology.
Fermentation
• Lowest energy cost, representing up to 80% of the blower
life cycle cost.
• Low downtime and low maintenance cost thanks
to innovative screw blower technology.
• Very wide flow and pressure operational range.
Non-woven textile
• Adjustable flow in order to influence fiber characteristics.
• Energy-efficient blowers to come to the lowest
operational cost of this 24/7 continuous process.
• Point-of-use installation without
noise-preventing measures.
Small belt driven:
Main parameters of our screw blower:
| Model No. | Discharge Pressure | 0.4bar | 0.5bar | 0.6bar | 0.7bar | 0.8bar | 0.9bar | 1bar | 1.1bar | 1.2bar |
| RM100-5.5 | Air flow(m3/h) | 253 | 249 | 248 | 246 | 244 | 243 | 241 | 240 | 239 |
| Motor power(kw) | 5.5 | 7.5 | 7.5 | 7.5 | 7.5 | 11 | 11 | 11 | 11 |
| RM100-5.5VSD | Air flow(m3/h) | 287 | 283 | 281 | 278 | 276 | 275 | 273 | 272 | 271 |
| Motor power(kw) | 5.5 | 7.5 | 7.5 | 11 | 11 | 11 | 11 | 11 | 15 |
| RM100-7.5 | Air flow(m3/h) | 335 | 330 | 328 | 325 | 322 | 321 | 319 | 317 | 316 |
| Motor power(kw) | 7.5 | 7.5 | 11 | 11 | 11 | 11 | 15 | 15 | 15 |
| RM100-7.5VSD | Air flow(m3/h) | 372 | 366 | 364 | 361 | 358 | 357 | 354 | 352 | 351 |
| Motor power(kw) | 7.5 | 7.5 | 11 | 11 | 11 | 15 | 15 | 15 | 15 |
| GF160-11 | Air flow(m3/h) | 570 | 566 | 565 | 563 | 560 | 559 | 557 | 556 | 555 |
| Motor power(kw) | 11 | 15 | 15 | 15 | 18.5 | 18.5 | 18.5 | 22 | 22 |
| GF160-11VSD | Air flow(m3/h) | 664 | 659 | 657 | 655 | 652 | 651 | 649 | 647 | 646 |
| Motor power(kw) | 11 | 15 | 15 | 18.5 | 18.5 | 22 | 22 | 22 | 30 |
| GF160-15 | Air flow(m3/h) | 770 | 765 | 762 | 760 | 756 | 755 | 752 | 750 | 749 |
| Motor power(kw) | 15 | 15 | 18.5 | 18.5 | 22 | 22 | 30 | 30 | 30 |
| GF160-15VSD | Air flow(m3/h) | 880 | 874 | 871 | 868 | 864 | 863 | 860 | 857 | 856 |
| Motor power(kw) | 15 | 18.5 | 18.5 | 22 | 22 | 30 | 30 | 30 | 30 |
| GF160-18.5 | Air flow(m3/h) | 1111 | 1103 | 1100 | 1096 | 1090 | 1090 | 1085 | 1082 | 1080 |
| Motor power(kw) | 18.5 | 22 | 30 | 30 | 30 | 30 | 37 | 37 | 37 |
| GF160-122 | Air flow(m3/h) | 1282 | 1273 | 1269 | 1264 | 1258 | 1258 | 1252 | 1249 | 1247 |
| Motor power(kw) | 22 | 30 | 30 | 30 | 37 | 37 | 37 | 45 | 45 |
| GF160-22VSD | Air flow(m3/h) | 1456 | 1446 | 1442 | 1436 | 1429 | 1428 | 1423 | 1418 | 1416 |
| Motor power(kw) | 22 | 30 | 30 | 37 | 37 | 45 | 45 | 45 | 55 |
| Model No. | Discharge Pressure | 0.4bar | 0.5bar | 0.6bar | 0.7bar | 0.8bar | 0.9bar | 1bar | 1.1bar | 1.2bar |
| RM200l-22 | Air flow(m3/h) | 1226 | 1220 | 1214 | 1206 | 1199 | 1191 | 1182 | 1173 | 1163 |
| Motor power(kw) | 22 | 30 | 30 | 30 | 37 | 37 | 45 | 45 | 45 |
| RM200l-22VSD | Air flow(m3/h) | 1386 | 1392 | 1385 | 1378 | 1370 | 1362 | 1353 | 1345 | 1336 |
| Motor power(kw) | 22 | 30 | 30 | 37 | 37 | 45 | 45 | 45 | 55 |
| RM200l-30 | Air flow(m3/h) | 1637 | 1630.7 | 1623.3 | 1614.9 | 1606.5 | 1597.1 | 1586.6 | 1575 | 1616 |
| Motor power(kw) | 30 | 30 | 37 | 37 | 45 | 45 | 55 | 55 | 55 |
| RM200l-30VSD | Air flow(m3/h) | 1868 | 1861 | 1853 | 1845 | 1836 | 1827 | 1818 | 1808 | 1798 |
| Motor power(kw) | 30 | 37 | 45 | 45 | 55 | 55 | 55 | 75 | 75 |
| RM200l-37 | Air flow(m3/h) | 2104 | 2098 | 2091 | 2081 | 2071 | 2059 | 2048 | 2035 | 2022 |
| Motor power(kw) | 37 | 45 | 45 | 55 | 55 | 55 | 75 | 75 | 75 |
| RM200l-37VSD | Air flow(m3/h) | 2435 | 2427 | 2417 | 2407 | 2395 | 2382 | 2369 | 2354 | 2339 |
| Motor power(kw) | 37 | 45 | 55 | 55 | 75 | 75 | 75 | 75 | 90 |
| RM200l-45 | Air flow(m3/h) | 2728 | 2721 | 2711 | 2701 | 2689 | 2676 | 2663 | 2648 | 2633 |
| Motor power(kw) | 45 | 55 | 55 | 75 | 75 | 75 | 90 | 90 | 90 |
| RM200l-45VSD | Air flow(m3/h) | 2923 | 2915 | 2905 | 2895 | 2882 | 2869 | 2855 | 2840 | 2825 |
| Motor power(kw) | 45 | 55 | 75 | 75 | 75 | 75 | 90 | 90 | 90 |
| RM200l-55 | Air flow(m3/h) | 2975 | 2964 | 2955 | 2945 | 2936 | 2927 | 2920 | 2912 | 2901 |
| Motor power(kw) | 55 | 75 | 75 | 75 | 75 | 90 | 90 | 90 | 110 |
| RM200l-55VSD | Air flow(m3/h) | 3418 | 3407 | 3398 | 3388 | 3379 | 3371 | 3362 | 3355 | 3347 |
| Motor power(kw) | 55 | 75 | 75 | 90 | 90 | 110 | 110 | 110 | 110 |
| RM200l-75 | Air flow(m3/h) | 3927 | 3915 | 3905 | 3896 | 3887 | 3880 | 3871 | 3864 | 3856 |
| Motor power(kw) | 75 | 75 | 90 | 90 | 110 | 110 | 110 | 132 | 132 |
| RM200l-75VSD | Air flow(m3/h) | 4495 | 4481 | 4469 | 4454 | 4442 | 4431 | 4422 | 4413 | 4405 |
| Motor power(kw) | 75 | 90 | 90 | 110 | 110 | 132 | 132 | 132 | 160 |
| RM200l-90 | Air flow(m3/h) | 5041 | 5028 | 5017 | 5005 | 4995 | 4983 | 4970 | 4956 | 4948 |
| Motor power(kw) | 90 | 110 | 110 | 110 | 132 | 132 | 160 | 160 | 160 |
| RM200l-90VSD | Air flow(m3/h) | 5651 | 5640 | 5627 | 5614 | 5603 | 5590 | 5577 | 5563 | 5551 |
| Motor power(kw) | 90 | 110 | 132 | 132 | 132 | 160 | 160 | 160 | 185 |
| RM200l-110 | Air flow(m3/h) | 6098 | 6085 | 6072 | 6060 | 6047 | 6036 | 6028 | 6020 | 6012 |
| Motor power(kw) | 110 | 110 | 132 | 132 | 160 | 160 | 185 | 185 | 185 |
Direct driven:
Energy saving compared to Roots blower:
- Roots blower:
-
To deliver a flow of 1600 m³/hr (942 cfm) at a pressure of 0.8 bar(e) (11.6 psig),
the tri-lobe blower consumes 61 kW (82 hp) on average
- Oil free screw blower:
-
To deliver a flow of 1600 m³/hr (942 cfm) at a pressure of 0.8 bar(e) (11.6 psig),
the screw blower consumes 43 kW (58 hp) on average.
Welcome to contact with us for more information.
2.5bar-3.5bar screw air compressors:
| Model No. | Power | Pressure | Air capacity | Outlet connect | Weight | Dimension(mm) |
| kw | hp | Mpa | m3/min | kg | L | W | H |
| RM-30L/A | 22 | 30 | 0.25 | 6.9 | DN50 | 950 | 1350 | 1220 | 1460 |
| 0.35 | 5.3 |
| RM-50L/A | 37 | 50 | 0.25 | 12.6 | DN65 | 1500 | 1900 | 1400 | 1630 |
| 0.35 | 9.5 |
| RM-60L/A | 45 | 60 | 0.25 | 16 | DN65 | 1850 | 1900 | 1400 | 1630 |
| 0.35 | 13.5 |
| RM-75L/A | 55 | 75 | 0.25 | 21.2 | DN80 | 2100 | 2100 | 1400 | 1750 |
| 0.35 | 16.8 |
| RM-100L/A | 75 | 100 | 0.25 | 26.6 | DN80 | 2500 | 2860 | 1640 | 1860 |
| 0.35 | 21.2 |
| RM-125L/A | 90 | 125 | 0.25 | 30.8 | DN100 | 2800 | 2860 | 1640 | 1860 |
| 0.35 | 25.5 |
| RM-150L/A | 110 | 150 | 0.25 | 39.6 | DN100 | 3500 | 2860 | 1640 | 1860 |
| 0.35 | 31.8 |
| RM-175L/A | 132 | 175 | 0.25 | 46 | DN125 | 3700 | 3240 | 2000 | 2150 |
| 0.35 | 40.2 |
| RM-220L/A | 160 | 220 | 0.25 | 53 | DN125 | 4800 | 3240 | 2000 | 2150 |
| 0.35 | 46.8 |
| RM-250L/W | 185 | 250 | 0.25 | 55.6 | DN150 | 5300 | 3240 | 2000 | 2150 |
| 0.35 | 51.6 |
| RM-270L/W | 200 | 270 | 0.25 | 60.1 | DN150 | 5500 | 3240 | 2000 | 2150 |
| 0.35 | 55.7 |
| RM-300L/W | 220 | 300 | 0.25 | 66.1 | DN150 | 6500 | 3240 | 2000 | 2150 |
| 0.35 | 61.3 |
Company Profile
Shanghai Royal Machinery Co.,Ltd is a professional company of industrial air compressors, air
treatment and air compressor spare parts, with engineers and sales
people who have over 8 years experience, Royal Machinery has two
business divisions, one is our own brand products, the other brands
are Ingersoll Rand and Compair products. We have been marketing
industrial compressed air equipment to global market since 2017 and
the main assembling plants cover more than 50,000 square meters and
320 employees.
The range of our compressors supplying start from the smallest
compressors used by individuals to very large compressors used in
heavy industrial applications. We started the business as a close
partner to our customers, our sales team can provide you
competitive price with high quality products, with our customers
supporting, our team will get all the orders fulfilled on time and
provide you excellent after-sales service. Our product range
represents the most comprehensive portfolio of compressed air
equipment offered for thousands of applications in the Oil,
Textile, Food, Marine, Mining and many other industries. Our
products consist of medium and high pressure reciprocating
compressors, oil-injected screw compressors, oil free screw
compressors, vane compressors, centrifugal compressors, portable
compressors, CNG compressors and CNG related equipment, also high
pressure scuba air compressors.
Our mission is to bring China assembled compressors of good quality
and service, with attractive price for all the customers all over
the world. You are welcomed to be developed with us together for a
fruitful future.
