Chinese BW1502 Piston Air Compressor 600L/min@0MPa
Oil-free environmental protection type, 2 pump heads, displacement 600L/min@0MPa, 290L/min@0.7MPa, power 3KW, gas storage tank volume 90L.
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The Principle of the whole machine
The motor is running, the air enters the compressor cylinder through the muffler filter at the inlet, the compressor compresses the air, and the compressed gas enters the air storage tank through the air flow pipe to open the one-way valve, and the pointer of the pressure gauge rises to 8 Bar, when it is greater than 8 Bar, The pressure switch automatically closes after sensing the pressure, and the motor stops working. At the same time, the electromagnetic valve quickly discharges the air pressure in the compressor cylinder to 0. At this time, the air switch pressure declares that the gas pressure is still 8 Bar (that is, the pressure in the gas storage tank is 8 Bar), and the gas is exhausted through the pneumatic valve to drive the connected equipment to work. When the air pressure in the air storage tank drops to 5 Bar (6 Bar is optional), the pressure switch is automatically turned on by induction, the motor runs, and the compressor starts working again.

Structural schematic diagram of Air Compressor

Function introduction of main accessories
1. Air storage tank: store compressed air to ensure continuous and stable pressure and flow.
2. The function of the pressure switch: to control the start and stop of the motor by sensing the pressure in the gas storage tank. The machine is set to 8Bar to stop; 5Bar (6Bar is optional) to restart.
3. Safety valve: When the pressure switch fails or other reasons, the compressor does not stop, and when the working pressure is greater than 8.8 Bar, the safety valve will automatically open to exhaust and reduce pressure.
4. Sewage discharge ball valve: It is used to discharge the sewage in the gas storage tank. When discharging the sewage, please ensure that there is no pressure in the storage tank.
5. Air inlet filter: filter the dust and particles in the air to avoid entering the compressor cylinder and damaging the compressor piston ring. At the same time, noise can be effectively reduced. It is recommended to change it every six months.
Compressor host components

| serial number | code name | Name and specification | quantity | Material | Single | total parts | Remark |
| 1 | 212010109 | wind cover | 2 | Reinforced Nylon 1010 | weight | ||
| 2 | 212010106 | left fan | 1 | Reinforced Nylon 1010 | |||
| 3 | 212010101 | left box | 1 | Die-cast aluminum alloy YL104 | |||
| 4 | 212010301 | link | 2 | Die-cast aluminum alloy YL104 | |||
| 5 | 212010304 | Piston Cup | 2 | Polyphenylene filled PTFE | |||
| 6 | 212010302 | Platen | 2 | Die-cast aluminum alloy YL102 | |||
| 7 | 7050616 | Phillips countersunk head screw | 2 | Carbon structural steel for cold heading | M6•16 | ||
| 8 | 212010501 | cylinder | 2 | Aluminum alloy thin-walled tube 6A02T4 | |||
| 9 | 17103 | Cylinder seal | 2 | Silicone Rubber | |||
| 10 | 212010417 | cylinder head gasket | 2 | Silicone Rubber | |||
| 11 | 212010401 | cylinder head | 2 | Die-cast aluminum alloy YL102 | |||
| 12 | 7020525 | Hex socket head cap screw | 12 | M5•25 | |||
| 13 | 17113 | Connecting pipe seal | 4 | Silicone Rubber | |||
| 14 | 212010801 | Connecting pipe | 2 | Aluminum and aluminum alloy connection bar LY12 | |||
| 15 | 7100406 | Cross recessed pan head screws | 4 | 1Cr13N19 | M4•6 | ||
| 16 | 212010409 | limit block | 2 | Die-cast aluminum alloy YL102 | |||
| 17 | 402.2 | Outlet valve | 2 | Sweden Sandvik 7Cr27 quenched and tempered steel strip | |||
| 18 | 212010403 | valve plate | 2 | Die-cast aluminum alloy YL102 | |||
| 19 | 212010404 | intake valve | 2 | Sweden Sandvik 7Cr27 quenched and tempered steel strip | |||
| 20 | 212010406 | Metal gasket | 2 | Stainless steel heat-resistant and acid-resistant steel plate | |||
| twenty one | 212010107 | right fan | 1 | Reinforced Nylon 1010 | |||
| twenty two | 212010201 | crank | 2 | Gray cast iron HT20-40 | |||
| twenty three | 14040 | Bearing 6006-2Z | 2 | ||||
| twenty four | 70305 | Hexagon Socket Flat Point Set Screws | 2 | M8•8 | |||
| 25 | 7020520 | Hex socket head cap screw | 2 | M5•20 | |||
| 26 | 212010102 | Right box | 1 | Die-cast aluminum alloy YL104 | |||
| 27 | 6P-4 | Lead protection ring | 1 | ||||
| 28 | 70905152-211 | hex head bolt | 2 | Carbon structural steel for cold heading | M5•152 | ||
| 29 | 71005120-211 | Cross recessed pan head screws | 2 | Carbon structural steel for cold heading | M5•120 | ||
| 30 | 16602 | light spring washer | 4 | ø5 | |||
| 31 | 212010600 | stator | 1 | ||||
| 32 | 70305 | Hex Flange Lock Nuts | 2 | ||||
| 33 | 212010700 | rotor | 1 | ||||
| 34 | 14032 | Bearing 6203-2Z | 2 |
COMBESTAIR BW1502 Air CompressorSpecifications
| LIST | VALUE |
|---|---|
| type | oil free |
| Compression method | piston |
| Exhaust pressure | 8Bar、0.8MPa |
| Displacement | 600L / min @ 0MPa 、 290L / min @ 0.7MPa |
| Gas storage tank Volume | 90L |
| Noise value | 66dB |
| Dimensions | 900*400*850mm |
| Weight | 87kg |
| Bore × number of bars | 2 |
| pressure switch | Set start/stop pressure according to customer requirements |
| Accessories | 1. Install oil-water separator; 2. Install automatic drain; 3. Anti-rust treatment inside the gas storage tank |
| Power | 220-230V/50/60Hz |
| Packaging Dimensions | 92*42*88cm |
| power | 3KW |
COMBESTAIR BW1502 Air Compressor Packing list
Complete-built unit x1, manual x1, certificate of conformity
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
- ActiveGB/T 12929-2008
- ActiveGB/T 12928-2008
- ActiveGB 22207-2008
- ActiveGB/T 25358-2010
- ActiveGB/T 13928-2015
- ActiveGB/T 13279-2015
- ActiveGB/T 33625-2017
- ActiveGB 19153-2019
- ActiveGB/T 30810-2014


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