250kw 350HP Water Lubricationg Oil Free Screw Air Compressor

• After-sales Service: Online Support
• Warranty: 2 Year
• Lubrication Style: Oil-free
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: RW-250W
• Cooling System: Air Cooling
• Power Source: AC Power
• Cylinder Position: Angular
• Structure Type: Closed Type
• Installation Type: Movable Type
• Type: Single Screw Compressor
• Air Delivery: 34~43.5m3/Min
• Airend: Rocky/Hanbell
• Motor Power: 250kw 340HP
• Motor Protection Class: IP54
• Motor Energy Efficiency Class: Ie4
• Noise: 60dB(a)
• Lubricating Water Quantity: 360L
• Quantity of Cooling Water: 58L
• Pipe Diameters of Cooling Water Inlet an: 4"
• Weight: 4600kg
• Oil Content: Less Than 3ppm
• Air Outlet: DN100
• Transport Package: Wooden Box
• Specification: 2700*2800*2050mm
• Trademark: ROCKY
• Origin: Shanghai
• HS Code: 8414804100
• Production Capacity: 2000set /Month
• Package Size: 270.00cm * 280.00cm * 205.00cm
• Package Gross Weight: 4600.000kg

Product Description

Product Description

250kW Oil Free Screw Compressor Variable Speed Drive 8 bar 10 bar 12.5 bar Screw Air Compressor

Model: RW-250A/W
Type: totally oil free water lubrication screw air compressor
Screw type: Single screw
Free air delivery: 43.5 m3/min
Working pressure: 8 bar
Control: Touch screen PLC
Driven: direct
Cooling: by air
Starting method: Frequency conversion start
Lubricating water volume: 360 liters
Electric motor: 350hp 250KW  380v/50hz/3ph,IP54
Discharge temperature: less than ambient +8 ºC
Noise: less than 80dB(A)
Dimension: 2700*2800*2050mm
Weight:4600kg

Technical parameter

Model	Air Delivery (m3/min)			Power (kW)	Lubricating water amount (Liters)	Cooling water amount T/Hour	Cooling water inlet/outlet diameter	Noise dB(A)	Outlet diameter	Dimension (mm)
	8 bar	10 Bar	12.5 bar							L*W*H
RW-08A/W	1.17	1.05	0.81	7.5	10	2.0	3/4"	58	3/4"	800*800*1200
RW-11A/W	1.65	1.42	1.10	11	26	2.5	1"	60	3/4"	1150*755*1340
RW-15A/W	2.43	2.17	1.80	15	26	3.5	1"	63	3/4"	1150*755*1340
RW-18A/W	3.13	2.82	2.05	18.5	30	4.0	1"	65	1"	1400*900*1450
RW-22A/W	3.52	3.21	2.78	22	30	5.0	1"	65	1"	1400*900*1450
RW-30A/W	5.12	4.43	3.63	30	40	7.0	1 1/2"	67	1 1/4"	1550*1150*1550(A) 1500*1150*1300(W)
RW-37A/W	6.30	5.33	4.77	37	40	9.0	1 1/2"	67	1 1/4"	1550*1150*1550(A) 1500*1150*1300(W)
RW-45A/W	7.40	6.30	5.56	45	90	10.0	1 1/2"	68	2"	1980*1300*1760(A) 1800*1300*1670(W)
RW-55A/W	9.60	8.55	7.67	55	120	12.0	1 1/2"	70	2"	1980*1300*1760(A) 1800*1300*1670(W)
RW-75A/W	13.00	11.50	9.70	75	120	18.0	1 1/2"	73	2"	2100*1600*1900(A) 2200*1500*1800(W)
RW-90A/W	14.80	13.90	12.60	90	180	20.0	1 1/2"	73	2 1/2"	2400*1600*2000(A) 2200*1500*1800(W)
RW-110A/W	19.85	16.66	15.56	110	180	24.0	2"	78	2 1/2"	3000*1700*2250(A) 2200*1500*1800(W)
RW-132A/W	23.10	19.97	16.90	132	240	30.0	2"	78	2 1/2"	3000*1700*2250(A) 2200*1500*1800(W)
RW-160W	28.11	25.45	22.52	160	240	35.0	3H	80	DN80	2700*2800*2050
RW-185W	33.97	29.00	25.21	185	300	38.0	3"	80	DN80	2700*2800*2050
RW-200W	36.75	32.78	29.24	200	300	42.0	4"	80	DN100	2700*2800*2050
RW-220W	39.67	36.75	29.63	220	360	47.0	4"	80	DN100	2700*2800*2050
RW-250W	43.50	39.30	34.00	250	360	58.0	4"	80	DN100	2700*2800*2050
Note:" A" means air cooling," W" means water cooling.

 

 

Field Case

Customer Visit

Company Profile

Shanghai Rocky Machinery Co., Ltd. was established in 2003 and has 18 years of experience in the air compressor industry. It is an innovative enterprise integrating production, trade, service, research and development.

Our company dominates strong technical skill, advancing manufacture equipment and testing device, execute strictly of ISO9001 quality management system. As a CE certificated manufacturer, our Oil-free series air compressor also
reaches Germany TUV Class 0 standard.

 

Main products have passed the testing of national technical authorities, energy consumption level has reached the international advanced level.

 

With more than 120 skilled employees and 18 senior engineers, each production process is performed standardly and strictly. Germany technology and 14 years export experience have helped us to gain more than 30 loyal overseas agents, and our valued customers have spread across more than 130 countries.

 

Rocky will continue to promote technological innovation and progress in line with the mission of "innovation reflects value", and achieve win-win results with global partners, suppliers and employees. Create a new world of "energy saving, envir-onmental protection and intelligence" in the field of air compressors.

Packaging & Shipping

Payment and delivery

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of Taicang,Jiangsu,China. More than 18 years of experience in air compressor manufacturing.

 

Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.

 

Q3. What's payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.

 

Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
     2. Well-trained engineers available to overseas service.
     3.Worldwide agents and after service avaiable.arrange our engineers to help you training and installation.

 

Q5. How about your warranty?
A: One year for the whole machine and two years for screw air end, except consumable spare parts.

 

Q6. Do you have any certificate ?
A: Yes, per different customer's market need ,we can offer CE ,ISO etc certificate.

 

Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.

 

Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected
     2. Some key parts are imported from overseas
     3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.

 

Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.

 

Q10.How long could your air compressor be used?
A: Generally, more than 10 years.