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Reciprocating high pressure D type natural gas compressor for CNG filling station
D-type natural gas compressor, symmetrical balance type, the middle body between the slideway and the cylinder, according to user requirements can be planned long-shaped single-chamber, short-shaped single-chamber, extended-shaped double-chamber, long-short dual-chamber structure; water cooling system, In addition, all levels are equipped with intake and exhaust buffers and separators; thin oil stations are used in the lubrication system, and there are two sets of lubrication systems. When the oil pressure is low, the auxiliary oil pump system automatically starts to run. All equipment is integrated on the skid-mounted base, which has the characteristics of compact structure, good sealing performance, small starting torque, good inertia force balance, small mechanical vibration, high reliability, easy protection, and long service life.
Smoothing method: 1. No oil 2. With oil
Cooling method: 1. Water cooling 2. Air cooling 3. Mixed cooling (selected according to practical needs)
Overall structure method: fixed type, mobile type, skid-mounted type, soundproof cabin type, etc. (selected according to practical needs)
In addition to the functions of a standard station, the CNG gas filling station also fills compressed natural gas into a high-pressure gas transport semi-trailer (referred to as a semi-trailer) through a gas filling column located in the station, and transports it to the gas sub-station to refuel the car. At the same time, as an effective means of making up for pipeline gas transmission, in small and medium-sized cities far away from natural gas pipelines, semi-trailers can be used to transport compressed natural gas by road transportation to the cities where it is used. Other natural gas users supply gas.
Main technical parameters
| 1 | Compressor type | D-2.07/7-29 | |||
| 2 | Structure | D-type, horizontal symmetrical balance | |||
| 3 | Rotating speed | 988rpm | |||
| 4 | Compression stage | 2 | |||
| 5 | Medium | Natural gas | |||
| 6 | Final discharge pressure | 29bar | |||
| 7 | Inlet pressure bar | 7 | |||
| 8 | Discharge capacity Nm3/h | 5900 | |||
| 9 | Shaft power KW | 313 | |||
| 10 | Discharge temperature | 15 ºC not higher than the environmental temperature | |||
| 11 | Main motor | Power | Voltage | Explosion -proof grade | Protection grade |
| 315KW | 380V | ExdIIBT4 | IP55 | ||
| 12 | Reverse angle | 156 degree | |||
| 13 | Peak-to-valley ratio of piston force | 44 % | |||
| 14 | Cooling type | Gas: air cooling , cylinder: non-cooling | |||
| 15 | Drive type | direct-connected drive through diaphragm coupling(no flywheel) | |||
| 16 | Lubrication type | Oil-less | |||
| 17 | Installation mode | Skid mounted | |||
| 18 | Control type | PLC + touch screen + soft-start | |||
| 19 | Dimensions(LxWxH) | 5200x2600x1800mm | |||
| 20 | Weight | 17000kg(about) | |||
Gas Compression Products
Rocky is committed to delivering integrated compression solutions tailored to our customers' specific requirements. We offer all series of compressors with electric motor or gas engine to ensure safe and reliable operation.
Rocky's packaged units can be used both onshore and offshore with a range from 85 HP to 10,000 HP.
Extensive application experience from oil and gas fields to chemical plants gives Rocky a deep understanding of customer needs as well as industry standards in different countries and regions. In addition, we can also provide engineering services for gas collection station, gas supply and underground gas storage facilities, etc.
Ambient temperature: -140 F - 122 F (-60 C - +50 C)
Pressure range: 0 - 8990 psi (0 - 61.98 MPa)
Power range: 10 HP - 10000 hp (7.46 - 7457 kW)
Process gas: natural gas, air, hydrogen, ethane, nitrogen, propane, CO2, BOG, etc.
Mounting types: automotive, stationary, mobile and pile mounting
Application: injection, collection, utilization of associated gas, injection of fuel gas, CNG, etc.
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.
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